## Khan Academy CCSS Lesson Links

Standard 4.G.1

Common Core Area - Geometry

Skill - Draw right, acute, and obtuse angles - Create an acute, right, or obtuse angle using a given vertex.

https://www.khanacademy.org/e/drawing-right--acute--and-obtuse-angles

Standard 4.G.1

Common Core Area - Geometry

Skill - Angle types - Determine if an angle is acute, right, or obtuse. A protractor is provided.

https://www.khanacademy.org/e/angle_types

Standard 4.G.1

Common Core Area - Geometry

Skill - Draw rays, lines, & line segments - Draw rays, lines, and line segments with given points.

https://www.khanacademy.org/e/drawing-lines

Standard 4.G.1

Common Core Area - Geometry

Skill - Identify rays, lines, & line segments - Recognize rays, lines, and line segments in geometric figures.

https://www.khanacademy.org/e/recognizing_rays_lines_and_line_segments

Standard 4.G.1

Common Core Area - Geometry

Skill - Identify parallel and perpendicular lines - Recognize parallel and perpendicular lines in geometric figures and pictures.

https://www.khanacademy.org/e/recognizing-parallel-and-perpendicular-lines

Standard 4.G.1

Common Core Area - Geometry

Skill - Draw parallel and perpendicular lines - Practice drawing parallel and perpendicular lines, line segments, and ray.

https://www.khanacademy.org/e/drawing-parallel-and-perpendicular-lines

Standard 4.G.1

Common Core Area - Geometry

Skill - Recognize angles - Determine if angles in shapes and pictures are acute, right, or obtuse.

https://www.khanacademy.org/e/recognizing-angles

Standard 4.G.2

Common Core Area - Geometry

Skill - Identify triangles by angles - Practice identifying triangles by their angles as acute, right, or obtuse.

https://www.khanacademy.org/e/identifying-triangles-by-angles

Standard 4.G.2

Common Core Area - Geometry

Skill - Identify triangles by side lengths - Practice identifying triangles by their side-lengths as equilateral, isosceles, or scalene.

https://www.khanacademy.org/e/recognizing-triangles

Standard 4.G.2

Common Core Area - Geometry

Skill - Classify shapes by line and angle types - Classify shapes based on pictures or attributes, such as angle types and side-lengths.

https://www.khanacademy.org/e/classifying-shapes-by-line-and-angle-types

Standard 4.G.3

Common Core Area - Geometry

Skill - Draw lines of symmetry and symmetrical figures - Practice drawing lines of symmetry and creating symmetrical figures.

https://www.khanacademy.org/e/drawing-lines-of-symmetry-and-symmetrical-figures

Standard 4.G.3

Common Core Area - Geometry

Skill - Identify lines of symmetry - Practice identifying lines of symmetry on shapes.

https://www.khanacademy.org/e/axis_of_symmetry

Standard 4.G.3

Common Core Area - Geometry

Skill - Identify symmetrical figures - Practice identifying symmetrical shapes.

https://www.khanacademy.org/e/identify-symmetrical-figures

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Estimate mass (grams and kilograms) - Practice estimating the mass of real life objects using grams and kilograms.

https://www.khanacademy.org/e/estimating-mass

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Estimating volume (cups, pints, quarts, and gallons) - Practice estimating the volume of real life objects using US customary units.

https://www.khanacademy.org/e/estimating-volume--cups--pints--quarts--and-gallons-

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Estimate volume (milliliters and liters) - Practice estimating the volume of real life objects using milliliters and liters.

https://www.khanacademy.org/e/estimating-volume

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Estimating length (mm, cm, m, km) - Practice estimating the length of real life objects using metric units.

https://www.khanacademy.org/e/estimating-length--millimeters--centimeters--meters--kilometers-

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Convert to smaller units (sec, min, & hr) - Practice converting a measure of time to a smaller unit.

https://www.khanacademy.org/e/measurement-units

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Convert to smaller units (in, ft, yd, & mi) - Practice converting a US customary measure of length to a smaller unit.

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Estimating time (seconds, minutes, and hours) - Practice estimating the length of an event using seconds, minutes, and hours.

https://www.khanacademy.org/e/unit-sense

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Convert to smaller units (g and kg) - Practice converting a metric measure of mass to a smaller unit.

https://www.khanacademy.org/e/converting-larger-units-to-smaller-units--grams-and-kilograms-

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Estimating length (in, ft, yd, and mi) - Practice estimating the length of real life objects using US customary units.

https://www.khanacademy.org/e/estimating-length--inches--feet--yards--and-miles-

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Convert to smaller units (mm, cm, m, & km) - Practice converting a metric measure of length to a smaller unit.

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Estimating mass (ounces and pounds) - Practice estimating the mass of real life objects using US customary units.

https://www.khanacademy.org/e/estimating-mass--ounces-and-pounds-

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Convert to smaller units (mL and L) - Practice converting a metric measure of volume to a smaller unit.

https://www.khanacademy.org/e/converting-larger-units-to-smaller-units--milliliters-and-liters-

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Convert to smaller units (c, pt, qt, & gal) - Practice converting a US customary measure of volume to a smaller unit.

Standard 4.MD.1

Common Core Area - Measurement and Data

Skill - Convert to smaller units (oz and lb) - Practice converting a US customary measure of mass to a smaller unit.

https://www.khanacademy.org/e/converting-larger-units-to-smaller-units--ounces-and-pounds-

Standard 4.MD.2

Common Core Area - Measurement and Data

Skill - Metric conversions word problems - Practice metric length, volume, and mass problems that require expressing measurements given in a larger unit in terms of a smaller unit.

https://www.khanacademy.org/e/metric-conversions-word-problems

Standard 4.MD.2

Common Core Area - Measurement and Data

Skill - Convert money word problems - Solve word problems that involve converting between U.S. dollars and cents and converting U.S. dollars to other units of money, like pesos.

https://www.khanacademy.org/e/measuring-and-converting-money-word-problems

Standard 4.MD.2

Common Core Area - Measurement and Data

Skill - Time differences - Practice finding the difference between times given on two analog clocks. Time differences cross over the hour.

https://www.khanacademy.org/e/time-differences--over-the-hour-

Standard 4.MD.2

Common Core Area - Measurement and Data

Skill - US customary conversion word problems - Practice US customary length, volume, and mass problems that require expressing measurements given in a larger unit in terms of a smaller unit.

https://www.khanacademy.org/e/us-customary-conversion-word-problems

Standard 4.MD.2

Common Core Area - Measurement and Data

Skill - Time conversion word problems - Solve word problems to find what time an event occurred or how long an event lasted.

https://www.khanacademy.org/e/measuring-time-word-problems

Standard 4.MD.2

Common Core Area - Measurement and Data

Skill - Telling time word problems - Solve a word problem to find the duration of an event. Both analog or digital clocks are included. Time in the word problems crosses over the hour.

https://www.khanacademy.org/e/telling-time-word-problems-

Standard 4.MD.3

Common Core Area - Measurement and Data

Skill - Area & perimeter of rectangles word problems - Find the missing side length of a rectangle when given its perimeter or area. Compare perimeters and areas of rectangles.

https://www.khanacademy.org/e/area-and-perimeter-of-rectangles-word-problems

Standard 4.MD.3

Common Core Area - Measurement and Data

Skill - Area of squares and rectangles - Find the area of rectangles and squares when given side lengths. Find the side length of a square when given the area.

https://www.khanacademy.org/e/area_of_squares_and_rectangles

Standard 4.MD.4

Common Core Area - Measurement and Data

Skill - Interpret dot plots with fractions 1 - Create and interpret dot plots using data with fractions. Fraction operations include addition and subtraction.

https://www.khanacademy.org/e/interpreting-line-plots-with-fraction-addition-and-subtraction

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Name angles - Name angles by their vertex, endpoints, or labels.

https://www.khanacademy.org/e/naming-angles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Angles in circles - Practice measuring angles using a circle protractor, solve problems about angles as part of a circle.

https://www.khanacademy.org/e/angles-in-circles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Angle basics - Determine which angle has a greater measure by looking at the size of the opening between the angle's rays.

https://www.khanacademy.org/e/angle-basics

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Name angles - Name angles by their vertex, endpoints, or labels.

https://www.khanacademy.org/e/naming-angles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Angles in circles - Practice measuring angles using a circle protractor, solve problems about angles as part of a circle.

https://www.khanacademy.org/e/angles-in-circles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Angle basics - Determine which angle has a greater measure by looking at the size of the opening between the angle's rays.

https://www.khanacademy.org/e/angle-basics

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Benchmark angles - Estimate the size of angles when given a picture or a situation.

https://www.khanacademy.org/e/benchmark-angles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Benchmark angles - Estimate the size of angles when given a picture or a situation.

https://www.khanacademy.org/e/benchmark-angles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Benchmark angles - Estimate the size of angles when given a picture or a situation.

https://www.khanacademy.org/e/benchmark-angles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Name angles - Name angles by their vertex, endpoints, or labels.

https://www.khanacademy.org/e/naming-angles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Angles in circles - Practice measuring angles using a circle protractor, solve problems about angles as part of a circle.

https://www.khanacademy.org/e/angles-in-circles

Standard 4.MD.5

Common Core Area - Measurement and Data

Skill - Angle basics - Determine which angle has a greater measure by looking at the size of the opening between the angle's rays.

https://www.khanacademy.org/e/angle-basics

Standard 4.MD.6

Common Core Area - Measurement and Data

Skill - Measure angles - Measure angles using a protractor.

https://www.khanacademy.org/e/measuring_angles

Standard 4.MD.6

Common Core Area - Measurement and Data

Skill - Draw angles - Use a protractor to construct angles.

https://www.khanacademy.org/e/drawing-angles

Standard 4.MD.6

Common Core Area - Measurement and Data

https://www.khanacademy.org/e/angles-in-circles

Standard 4.MD.7

Common Core Area - Measurement and Data

Skill - Decompose angles - Find an angle's measure when given the measures of its parts.

https://www.khanacademy.org/e/decomposing-angles

Standard 4.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Divide whole numbers by 10 - Practice dividing whole numbers by 10.

https://www.khanacademy.org/e/dividing-whole-numbers-by-10

Standard 4.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Creating largest or smallest number - Sal arranges digits to make the largest or smallest possible number.

https://www.khanacademy.org/e/creating-largest-or-smallest-number

Standard 4.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Place value when multiplying and dividing by 10 - Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right.

https://www.khanacademy.org/e/understanding-place-value-1

Standard 4.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Multiply and divide by 10 - Practice multiplying and dividing whole numbers by ten.

https://www.khanacademy.org/e/multiplying-and-dividing-by-10

Standard 4.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Multiply whole numbers by 10 - Practice multiplying whole numbers by 10.

https://www.khanacademy.org/e/multiplying-by-10

Standard 4.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Place value blocks - Practice using place value blocks.

https://www.khanacademy.org/e/place-value-blocks

Standard 4.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Write numbers in written form - Practice working with whole numbers in written form. For example, "one thousand four hundred three" is the written form of 1403.

https://www.khanacademy.org/e/numbers-in-written-form

Standard 4.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Compare multi-digit numbers - Use your place value skills to practice comparing whole numbers.

https://www.khanacademy.org/e/comparing-multi-digit-numbers

Standard 4.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Write whole numbers in expanded form - Practice reading and writing numbers written in expanded form. Example: The expanded form of 376 is 300 + 70 + 6.

https://www.khanacademy.org/e/numbers-in-expanded-form

Standard 4.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Whole number place value challenge - Practice problems to challenge your understanding of whole number place value

https://www.khanacademy.org/e/understanding-whole-number-representations

Standard 4.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Compare multi-digit numbers word problems - Solve word problems by comparing whole numbers.

https://www.khanacademy.org/e/compare-multi-digit-numbers-word-problems

Standard 4.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Intro to place value - Practice thinking about the value of each digit in a number.

https://www.khanacademy.org/e/place_value

Standard 4.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Compare numbers: place value challenge - Compare multi-digit numbers that challenge your place value understanding

https://www.khanacademy.org/e/comparing-multi-digit-numbers-pv-challenge

Standard 4.NBT.3

Common Core Area - Number and Operations in Base Ten

Skill - Round whole numbers challenge - More challenging practice problems where you round whole numbers to the nearest hundred or thousand

https://www.khanacademy.org/e/rounding-whole-numbers-2

Standard 4.NBT.3

Common Core Area - Number and Operations in Base Ten

Skill - Round whole numbers word problems - Solve word problems by rounding whole numbers.

https://www.khanacademy.org/e/round-whole-numbers-word-problems

Standard 4.NBT.3

Common Core Area - Number and Operations in Base Ten

Skill - Round whole numbers - Practice rounding whole numbers to the nearest hundred or thousand.

https://www.khanacademy.org/e/rounding_whole_numbers

Standard 4.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Multi-digit addition - Add whole numbers with sums less than 1,000,000.

https://www.khanacademy.org/e/multi-digit-addition

Standard 4.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Multi-digit subtraction - Subtract whole numbers that are less than or equal to 1,000,000.

https://www.khanacademy.org/e/multi-digit-subtraction

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiply 2-digit numbers - Multiply 2-digit numbers by 2-digit numbers. Regrouping (carrying) needed.

https://www.khanacademy.org/e/multiplication_3

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiply with regrouping - Multiply 3- or 4-digit numbers by 1-digit numbers. Regrouping (carrying) needed.

https://www.khanacademy.org/e/multiplication_2

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiply using place value - Multiply a 1-digit number by a multi-digit number by decomposing the multi-digit number.

https://www.khanacademy.org/e/multiplication-with-place-value-understanding

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiply 1-digit numbers by 10, 100, and 1000 - Practice multiplication problems like 5x100=500.

https://www.khanacademy.org/e/multiply-1-digit-number-by-10--100-1000

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiplying 10s - Practice multiplying 2-digit multiples of 10, such as 50x70=3500.

https://www.khanacademy.org/e/multiplying-tens

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiply 2-digit numbers with area models - Use an area model to decompose factors and multiply.

https://www.khanacademy.org/e/multiplying-2-digit-numbers-with-area-models

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiply 1-digit numbers by a multiple of 10, 100, and 1000 - Practice multiplication problems like 5x500=2500.

https://www.khanacademy.org/e/multiply-1-digit-number-by-multiple-of-10-100-1000

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiply without regrouping - Multiply 2- or 3-digit numbers by 1-digit numbers. No regrouping or carrying.

https://www.khanacademy.org/e/multiplication_1.5

Standard 4.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Multiply 2-, 3-, and 4-digits by 1-digit with area models - Use an area model to decompose the larger factor and multiply.

https://www.khanacademy.org/e/multiplying-by-4-digit-numbers-with-visual-models

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Divide with remainders (basic) - Practice finding remainders in small division problems, like 24·5.

https://www.khanacademy.org/e/division-with-remainders-1

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Cancel zeros when dividing - Learn to cancel zeros when dividing numbers like 3000 and 50.

https://www.khanacademy.org/e/cancelling-zeros-in-division

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Quotients that are multiples of 10 - Practice division problems that work out to multiples of ten. Example: 1200 · 30 = 40.

https://www.khanacademy.org/e/quotients-that-are-multiples-of-10

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Divide by 1-digit numbers (visual models) - Practice breaking up big division problems into smaller, simpler problems.

https://www.khanacademy.org/e/multi-digit-division-with-visual-models

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Zeros in the quotient (no remainders) - Practice solving division problems with 0s in the solution, or quotient.

https://www.khanacademy.org/e/zeros-in-the-quotient-no-remainders

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Divide with remainders - Practice finding remainders in division problems, like 247·5.

https://www.khanacademy.org/e/division_2

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Divide by 1-digit numbers (no remainders) - Practice dividing 2-, 3-, and 4-digit numbers by a 1-digit number.

https://www.khanacademy.org/e/division_1.5

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Divide using place value - Decompose 3- and 4-digit dividends to divide them by a 1-digit divisor.

https://www.khanacademy.org/e/division-using-place-value-understanding

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Intro to remainders - Use arrays, area models, and practice problems to understand remainders.

https://www.khanacademy.org/e/understanding-remainders

Standard 4.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Zeros in the dividend (no remainders) - Practice solving division problems with 0s in the dividend (for example, 204·4).

https://www.khanacademy.org/e/zeros-in-the-dividend-no-remainders

Standard 4.NF.1

Common Core Area - Number and Operations: Fractions

Skill - Equivalent fractions - Practice making equivalent fractions by multiplying the numerator and denominator by the same number.

https://www.khanacademy.org/e/equivalent_fractions

Standard 4.NF.1

Common Core Area - Number and Operations: Fractions

Skill - Equivalent fractions (fraction models) - Practice finding equivalent fractions. These problems show you pictures of fractions to help you out.

https://www.khanacademy.org/e/visualizing-equivalent-fractions

Standard 4.NF.2

Common Core Area - Number and Operations: Fractions

Skill - Common denominators - Practice rewriting fractions to have the same denominator.

https://www.khanacademy.org/e/common-denominators

Standard 4.NF.2

Common Core Area - Number and Operations: Fractions

Skill - Compare fractions with different numerators and denominators - Practice comparing two fractions with different denominators with greater and less than symbols.

https://www.khanacademy.org/e/comparing_fractions_2

Standard 4.NF.2

Common Core Area - Number and Operations: Fractions

Skill - Order fractions - Practice ordering 3 fractions from least to greatest.

https://www.khanacademy.org/e/ordering_fractions

Standard 4.NF.2

Common Core Area - Number and Operations: Fractions

Skill - Compare fractions and mixed numbers - Practice comparing fractions and mixed numbers that have unlike denominators.

https://www.khanacademy.org/e/comparing_improper_fractions_and_mixed_numbers

Standard 4.NF.2

Common Core Area - Number and Operations: Fractions

Skill - Equivalent fractions and different wholes - Practice using the same whole to find equivalent fractions.

https://www.khanacademy.org/e/different-wholes

Standard 4.NF.2

Common Core Area - Number and Operations: Fractions

Skill - Visually compare fractions with unlike denominators - Practice comparing fractions by looking at pictures. Fractions in these problems do not have common denominators.

https://www.khanacademy.org/e/visually-comparing-fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers (no regrouping) - Practice adding and subtracting mixed numbers with common (like) denominators.

https://www.khanacademy.org/e/adding_subtracting_mixed_numbers_0.5

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add fractions with common denominators - Add two fractions with the like denominators.

https://www.khanacademy.org/e/adding_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers (with regrouping) - Practice adding and subtracting mixed numbers with common (like) denominators. Items require regrouping (borrowing).

https://www.khanacademy.org/e/adding-and-subtracting-mixed-numbers-with-like-denominators-2

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Decompose fractions - Practice decomposing fractions (breaking fractions into parts that can be added together).

https://www.khanacademy.org/e/decomposing-fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract fractions word problems (same denominator) - Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators.

https://www.khanacademy.org/e/adding-and-subtracting-fractions-with-like-denominators-word-problems

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Rewrite mixed numbers and improper fractions - Practice writing a fraction as a mixed number and vice versa.

https://www.khanacademy.org/e/converting_mixed_numbers_and_improper_fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers word problems (like denominators) - Solve addition and subtraction word problems involving fractions and mixed numbers. Fractions and mixed numbers have common denominators.

https://www.khanacademy.org/e/add-and-subtract-mixed-numbers-word-problems--like-denominators-

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers (no regrouping) - Practice adding and subtracting mixed numbers with common (like) denominators.

https://www.khanacademy.org/e/adding_subtracting_mixed_numbers_0.5

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add fractions with common denominators - Add two fractions with the like denominators.

https://www.khanacademy.org/e/adding_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers (with regrouping) - Practice adding and subtracting mixed numbers with common (like) denominators. Items require regrouping (borrowing).

https://www.khanacademy.org/e/adding-and-subtracting-mixed-numbers-with-like-denominators-2

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers word problems (like denominators) - Solve addition and subtraction word problems involving fractions and mixed numbers. Fractions and mixed numbers have common denominators.

https://www.khanacademy.org/e/add-and-subtract-mixed-numbers-word-problems--like-denominators-

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Subtract fractions with common denominators - Solve a subtraction problem with two fractions with like denominators.

https://www.khanacademy.org/e/subtracting_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Decompose fractions - Practice decomposing fractions (breaking fractions into parts that can be added together).

https://www.khanacademy.org/e/decomposing-fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract fractions word problems (same denominator) - Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators.

https://www.khanacademy.org/e/adding-and-subtracting-fractions-with-like-denominators-word-problems

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Rewrite mixed numbers and improper fractions - Practice writing a fraction as a mixed number and vice versa.

https://www.khanacademy.org/e/converting_mixed_numbers_and_improper_fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers (no regrouping) - Practice adding and subtracting mixed numbers with common (like) denominators.

https://www.khanacademy.org/e/adding_subtracting_mixed_numbers_0.5

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add fractions with common denominators - Add two fractions with the like denominators.

https://www.khanacademy.org/e/adding_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers (with regrouping) - Practice adding and subtracting mixed numbers with common (like) denominators. Items require regrouping (borrowing).

https://www.khanacademy.org/e/adding-and-subtracting-mixed-numbers-with-like-denominators-2

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Subtract fractions with common denominators - Solve a subtraction problem with two fractions with like denominators.

https://www.khanacademy.org/e/subtracting_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Decompose fractions - Practice decomposing fractions (breaking fractions into parts that can be added together).

https://www.khanacademy.org/e/decomposing-fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract fractions word problems (same denominator) - Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators.

https://www.khanacademy.org/e/adding-and-subtracting-fractions-with-like-denominators-word-problems

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Rewrite mixed numbers and improper fractions - Practice writing a fraction as a mixed number and vice versa.

https://www.khanacademy.org/e/converting_mixed_numbers_and_improper_fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add and subtract mixed numbers word problems (like denominators) - Solve addition and subtraction word problems involving fractions and mixed numbers. Fractions and mixed numbers have common denominators.

https://www.khanacademy.org/e/add-and-subtract-mixed-numbers-word-problems--like-denominators-

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/add-and-subtract-mixed-numbers-word-problems--like-denominators-

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/adding_subtracting_mixed_numbers_0.5

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add fractions with common denominators - Add two fractions with the like denominators.

https://www.khanacademy.org/e/adding_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/adding-and-subtracting-mixed-numbers-with-like-denominators-2

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Subtract fractions with common denominators - Solve a subtraction problem with two fractions with like denominators.

https://www.khanacademy.org/e/subtracting_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/decomposing-fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/adding-and-subtracting-fractions-with-like-denominators-word-problems

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/converting_mixed_numbers_and_improper_fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/adding_subtracting_mixed_numbers_0.5

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

Skill - Add fractions with common denominators - Add two fractions with the like denominators.

https://www.khanacademy.org/e/adding_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/adding-and-subtracting-mixed-numbers-with-like-denominators-2

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/subtracting_fractions_with_common_denominators

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/decomposing-fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/adding-and-subtracting-fractions-with-like-denominators-word-problems

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/converting_mixed_numbers_and_improper_fractions

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/add-and-subtract-mixed-numbers-word-problems--like-denominators-

Standard 4.NF.3

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/subtracting_fractions_with_common_denominators

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply unit fractions and whole numbers - Practice multiplying unit fractions (fractions with a 1 in the numerator) and whole numbers.

https://www.khanacademy.org/e/multiplying-unit-fractions-and-whole-numbers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers - Practice multiplying a whole number times a fraction.

https://www.khanacademy.org/e/multiplying_fractions_by_integers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers word problems - Practice solving multiplication word problems that include whole numbers and fractions.

https://www.khanacademy.org/e/multiplying-fractions-and-whole-numbers-word-problems

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers intuition - Practice matching fraction diagrams and number lines to multiplication expressions.

https://www.khanacademy.org/e/multiplying-fractions-and-whole-numbers-intuition

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Interpret multiplying fraction and whole number word problems - Solve word problems involving multiplication of a fraction by a whole number. Â Then interpret the solution by, for example, determining between which two whole numbers the solution falls.

https://www.khanacademy.org/e/interpret-multiplying-fraction-and-whole-number-word-problems

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply unit fractions and whole numbers - Practice multiplying unit fractions (fractions with a 1 in the numerator) and whole numbers.

https://www.khanacademy.org/e/multiplying-unit-fractions-and-whole-numbers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers - Practice multiplying a whole number times a fraction.

https://www.khanacademy.org/e/multiplying_fractions_by_integers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers intuition - Practice matching fraction diagrams and number lines to multiplication expressions.

https://www.khanacademy.org/e/multiplying-fractions-and-whole-numbers-intuition

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Equivalent unit fraction and whole number multiplication expressions - Practice seeing how one whole-number-times-fraction problem is the same as another. Â Find equivalent multiplication expressions.

https://www.khanacademy.org/e/understanding-multiplying-fractions-and-whole-numbers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Interpret multiplying fraction and whole number word problems - Solve word problems involving multiplication of a fraction by a whole number. Â Then interpret the solution by, for example, determining between which two whole numbers the solution falls.

https://www.khanacademy.org/e/interpret-multiplying-fraction-and-whole-number-word-problems

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Equivalent unit fraction and whole number multiplication expressions - Practice seeing how one whole-number-times-fraction problem is the same as another. Â Find equivalent multiplication expressions.

https://www.khanacademy.org/e/understanding-multiplying-fractions-and-whole-numbers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers - Practice multiplying a whole number times a fraction.

https://www.khanacademy.org/e/multiplying_fractions_by_integers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers word problems - Practice solving multiplication word problems that include whole numbers and fractions.

https://www.khanacademy.org/e/multiplying-fractions-and-whole-numbers-word-problems

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers intuition - Practice matching fraction diagrams and number lines to multiplication expressions.

https://www.khanacademy.org/e/multiplying-fractions-and-whole-numbers-intuition

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers word problems - Practice solving multiplication word problems that include whole numbers and fractions.

https://www.khanacademy.org/e/multiplying-fractions-and-whole-numbers-word-problems

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Equivalent unit fraction and whole number multiplication expressions - Practice seeing how one whole-number-times-fraction problem is the same as another. Â Find equivalent multiplication expressions.

https://www.khanacademy.org/e/understanding-multiplying-fractions-and-whole-numbers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Interpret multiplying fraction and whole number word problems - Solve word problems involving multiplication of a fraction by a whole number. Â Then interpret the solution by, for example, determining between which two whole numbers the solution falls.

https://www.khanacademy.org/e/interpret-multiplying-fraction-and-whole-number-word-problems

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply unit fractions and whole numbers - Practice multiplying unit fractions (fractions with a 1 in the numerator) and whole numbers.

https://www.khanacademy.org/e/multiplying-unit-fractions-and-whole-numbers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Multiply fractions and whole numbers - Practice multiplying a whole number times a fraction.

https://www.khanacademy.org/e/multiplying_fractions_by_integers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/multiplying-unit-fractions-and-whole-numbers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/multiplying-fractions-and-whole-numbers-intuition

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/understanding-multiplying-fractions-and-whole-numbers

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

Skill - Interpret multiplying fraction and whole number word problems - Solve word problems involving multiplication of a fraction by a whole number. Then interpret the solution by, for example, determining between which two whole numbers the solution falls.

https://www.khanacademy.org/e/interpret-multiplying-fraction-and-whole-number-word-problems

Standard 4.NF.4

Common Core Area - Number and Operations: Fractions

https://www.khanacademy.org/e/multiplying-fractions-and-whole-numbers-word-problems

Standard 4.NF.5

Common Core Area - Number and Operations: Fractions

Skill - Equivalent fractions (denominators 10 & 100) - Practice writing equivalent fractions with denominators of 10 and 100.

https://www.khanacademy.org/e/equivalent-fractions-with-denominators-of-10-and-100

Standard 4.NF.5

Common Core Area - Number and Operations: Fractions

Skill - Decompose fractions with denominators of 100 - Practice breaking apart (decomposing) some number of hundredths into tenths and hundredths.

https://www.khanacademy.org/e/decompose-fractions-with-denominators-of-100

Standard 4.NF.5

Common Core Area - Number and Operations: Fractions

Skill - Add fractions (denominators 10 & 100) - Practice adding fractions that have denominators of 10 and 100.

https://www.khanacademy.org/e/adding_fractions_0.5

Standard 4.NF.5

Common Core Area - Number and Operations: Fractions

Skill - Equivalent expressions with common denominators (denominators 10 & 100) - Rewrite a fraction addition problem so the fractions have common denominators. Â All items have denominators of either 10 or 100.

Standard 4.NF.5

Common Core Area - Number and Operations: Fractions

Skill - Equivalent fractions with fraction models (denominators 10 & 100) - Practice writing equivalent fractions with denominators of 10 and 100. These problems give you pictures to help you find the answer.

https://www.khanacademy.org/e/equivalent-fractions-with-denominators-of-10-and-100-intuition

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Place value for decimals greater than 1 - Practice your decimal place value understanding by using tenths and hundredths to describe decimal numbers greater than one.

https://www.khanacademy.org/e/decimals-greater-than-one-intuition

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Write decimal numbers shown in grids - Practice writing decimal numbers shown in grid diagrams.

https://www.khanacademy.org/e/decimal-intuition-with-grids

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Rewrite decimals as fractions - Practice rewriting decimals as fractions. These problems use decimals with tenths and hundredths.

https://www.khanacademy.org/e/converting_decimals_to_fractions_1

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Decimals on the number line: hundredths - Practice finding decimal numbers on the number line. Decimals are limited to hundredths.

https://www.khanacademy.org/e/decimals_on_the_number_line_2

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Rewrite fractions as decimals (denominators of 10 & 100) - Practice rewriting fractions as decimals. Fractions in these problems have denominators of 10 and 100.

https://www.khanacademy.org/e/converting_fractions_to_decimals_0.5

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Write number as a fraction and decimal - Practice these problems to see how decimals and fractions can represent the same number.

https://www.khanacademy.org/e/fraction-decimal-intuition

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Decimals in words - Practice writing decimal numbers in word form and number form.

https://www.khanacademy.org/e/decimals-in-words

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Decimals on the number line: hundredths 0-0.1 - Graph hundredths between 0 and 0.1 on a number line.

https://www.khanacademy.org/e/decimals-on-the-number-line--hundredths-0-1

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Decimals on the number line: tenths 0-1 - Graph tenths between 0 and 1 on the number line.

https://www.khanacademy.org/e/decimals-on-the-number-line-1

Standard 4.NF.6

Common Core Area - Number and Operations: Fractions

Skill - Decimals on the number line: tenths - Practice finding decimal numbers on the number line. Decimals are limited to tenths in these problems.

https://www.khanacademy.org/e/decimals_on_the_number_line_1

Standard 4.NF.7

Common Core Area - Number and Operations: Fractions

Skill - Compare decimals visually - Practice comparing decimals with the help of visual aids.

https://www.khanacademy.org/e/comparing-decimals-visually

Standard 4.NF.7

Common Core Area - Number and Operations: Fractions

Skill - Compare decimals (tenths and hundredths) - Practice comparing decimals. Decimals in these problems are limited to tenths and hundredths.

https://www.khanacademy.org/e/comparing_decimals_1

Standard 4.NF.7

Common Core Area - Number and Operations: Fractions

Skill - Compare decimals and fractions - Practice comparing decimals and fractions. Decimals and fractions in these problems are limited to tenths and hundredths for easier comparison.

https://www.khanacademy.org/e/cc-4th-comparing-decimals-and-fractions

Standard 4.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Compare with multiplication - Rewrite multiplication equations as comparisons, and comparisons as equations.

https://www.khanacademy.org/e/comparing-with-multiplication

Standard 4.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Compare with multiplication word problems - Select the equation that can be used to solve a word problem.

https://www.khanacademy.org/e/multiplicative-comparison-word-problems

Standard 4.OA.2

Common Core Area - Operations and Algebraic Thinking

Skill - Multiplication and division word problems - Practice solving multiplication and division word problems. Some problems have remainders.

https://www.khanacademy.org/e/arithmetic_word_problems

Standard 4.OA.3

Common Core Area - Operations and Algebraic Thinking

Skill - Multi-step word problems with whole numbers - Solve multi-step word problems, including estimation.Â Â Select the equation that can be used to solve a word problem.

https://www.khanacademy.org/e/multi-step-word-problems-with-whole-numbers

Standard 4.OA.3

Common Core Area - Operations and Algebraic Thinking

Skill - Represent multi-step word problems using equations - Represent multi-step word problems using equations with a letter standing for the unknown quantity. Equations include addition, subtraction, multiplication, and division.

https://www.khanacademy.org/e/represent-multi-step-word-problems-using-equations

Standard 4.OA.3

Common Core Area - Operations and Algebraic Thinking

Skill - Multi-step estimation word problems - Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division.

https://www.khanacademy.org/e/multi-step-estimation-word-problems

Standard 4.OA.4

Common Core Area - Operations and Algebraic Thinking

Skill - Identify composite numbers - Identify composite numbers less than 100.

https://www.khanacademy.org/e/composite_numbers

Standard 4.OA.4

Common Core Area - Operations and Algebraic Thinking

Skill - Identify factors and multiples - Demonstrate understanding of factors and multiples.

https://www.khanacademy.org/e/identifying-factors-and-multiples

Standard 4.OA.4

Common Core Area - Operations and Algebraic Thinking

Skill - Factor pairs - Practice finding factor pairs for whole numbers.

https://www.khanacademy.org/e/factor-pairs

Standard 4.OA.4

Common Core Area - Operations and Algebraic Thinking

Skill - Identify prime numbers - Identify prime numbers less than 100.

https://www.khanacademy.org/e/prime_numbers

Standard 4.OA.5

Common Core Area - Operations and Algebraic Thinking

Skill - Math patterns 2 - Generate terms in a pattern when given a rule. Identify features of a pattern that are not explicit to the rule itself.