## Khan Academy CCSS Lesson Links

Standard 1.G.1

Common Core Area - Geometry

Skill - Name shapes 3 - Practice identifying circles, triangles, squares, rectangles, rhombuses, trapezoids, and hexagons.

https://www.khanacademy.org/e/attributes-of-shapes

Standard 1.G.2

Common Core Area - GeometrySkill - Coming Soon

Standard 1.G.3

Common Core Area - Geometry

Skill - Halves and fourths - Practice dividing shapes into 2 or 4 equal sections.

https://www.khanacademy.org/e/halves-and-fourths

Standard 1.MD.1

Common Core Area - Measurement and Data

Skill - Indirect measurement - Compare the lengths of 2 objects indirectly by using a third object.

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

Standard 1.MD.1

Common Core Area - Measurement and Data

Skill - Order by length - Practice ordering 3 objects by length.

https://www.khanacademy.org/e/order-by-length

Standard 1.MD.2

Common Core Area - Measurement and Data

Skill - Measure lengths 1 - Measure objects with same-size length units without gaps or overlaps.

https://www.khanacademy.org/e/measuring-lengths-1

Standard 1.MD.3

Common Core Area - Measurement and Data

Skill - Tell time to hour or half hour - Practice telling time on analog clocks to the hour or half hour.

https://www.khanacademy.org/e/tell-time-to-hour-or-half-hour

Standard 1.MD.4

Common Core Area - Measurement and Data

Skill - Solve problems with bar graphs 1 - Read and interpret bar graphs.

https://www.khanacademy.org/e/solving-problems-with-bar-graphs-1

Standard 1.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Numbers to 120 - Practice finding missing numbers in a list of numbers between 0 and 120.

https://www.khanacademy.org/e/numbers-to-120

Standard 1.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Groups of ten objects - Practice grouping objects by tens.

https://www.khanacademy.org/e/groups-of-tens

Standard 1.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Groups of ten objects - Practice grouping objects by tens.

https://www.khanacademy.org/e/groups-of-tens

Standard 1.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - 2-digit place value challenge - Practice breaking numbers apart into tens and ones.

https://www.khanacademy.org/e/understanding-2-digit-numbers

Standard 1.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - 2-digit place value challenge - Practice breaking numbers apart into tens and ones.

https://www.khanacademy.org/e/understanding-2-digit-numbers

Standard 1.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - 2-digit place value challenge - Practice breaking numbers apart into tens and ones.

https://www.khanacademy.org/e/understanding-2-digit-numbers

Standard 1.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - 2-digit place value challenge - Practice breaking numbers apart into tens and ones.

https://www.khanacademy.org/e/understanding-2-digit-numbers

Standard 1.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Groups of ten objects - Practice grouping objects by tens.

https://www.khanacademy.org/e/groups-of-tens

Standard 1.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Groups of ten objects - Practice grouping objects by tens.

https://www.khanacademy.org/e/groups-of-tens

Standard 1.NBT.3

Common Core Area - Number and Operations in Base Ten

Skill - Compare 2-digit numbers - Practice comparing numbers (within 100) using the symbols <, >, and =.

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

Standard 1.NBT.3

Common Core Area - Number and Operations in Base Ten

Skill - Compare 2-digit numbers 2 - Practice more challenging problems comparing numbers within 100.

https://www.khanacademy.org/e/comparing-two-digit-numbers-1

Standard 1.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Add 2-digit numbers (no regrouping) - Practice solving problems like 24 + 45.

https://www.khanacademy.org/e/add-within-100--level-2

Standard 1.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Add 1s or 10s (no regrouping) - Practice solving problems like 34+5 and 34+50.

https://www.khanacademy.org/e/adding-1s-or-10s-to-two-digit-numbers

Standard 1.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Break apart 2-digit addition problems - Practice breaking apart problems like 23+45 into problems like 20+40+3+5.

https://www.khanacademy.org/e/breaking-apart-two-digit-addition-problems

Standard 1.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Regroup when adding 1-digit numbers - Practice adding numbers like 45+8.

https://www.khanacademy.org/e/regroup-two-digit-plus-one-digit

Standard 1.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Add 1 or 10 - Practice solving problems like 34+1 and 34+10.

https://www.khanacademy.org/e/add-within-100--level-1

Standard 1.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Add 1 or 10 - Practice solving problems like 34+1 and 34+10.

https://www.khanacademy.org/e/add-within-100--level-1

Standard 1.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Coming Soon

Standard 1.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Word problems with "more" and "fewer" 2 - Practice solving more word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less.

https://www.khanacademy.org/e/addition-and-subtraction-word-problems-within-20--level-4

Standard 1.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Word problems with "more" and "fewer" 1 - Practice solving word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less.

https://www.khanacademy.org/e/addition-and-subtraction-word-problems-within-20--level-3

Standard 1.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Addition and subtraction word problems 1 - Practice adding and subtracting to solve word problems. Numbers used are 20 or less.

https://www.khanacademy.org/e/addition-and-subtraction-word-problems-within-20--level-1

Standard 1.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Addition and subtraction word problems 2 - Practice solving more challenging word problems with addition and subtraction. Numbers used are 20 or less.

https://www.khanacademy.org/e/addition-and-subtraction-word-problems-within-20--level-2

Standard 1.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Word problems with "more" and "fewer" - Practice solving word problems by finding how many more (or fewer) objects there are. Each problem shows a diagram to help you.

https://www.khanacademy.org/e/word-problems-more-and-fewer

Standard 1.OA.2

Common Core Area - Operations and Algebraic Thinking

Skill - Add 3 numbers - Practice adding 3 numbers. All numbers in these problems are 20 or less.

https://www.khanacademy.org/e/adding-three-numbers

Standard 1.OA.3

Common Core Area - Operations and Algebraic Thinking

Skill - Coming Soon

Standard 1.OA.4

Common Core Area - Operations and Algebraic Thinking

Skill - Relate addition and subtraction - Practice seeing how addition and subtraction are related.

https://www.khanacademy.org/e/relate-addition-and-subtraction

Standard 1.OA.5

Common Core Area - Operations and Algebraic Thinking

Skill - Coming Soon

Standard 1.OA.6

Common Core Area - Operations and Algebraic Thinking

Skill - Subtract within 20 - Practice subtracting. All numbers in these problems are 20 or less.

https://www.khanacademy.org/e/subtraction_2

Standard 1.OA.6

Common Core Area - Operations and Algebraic Thinking

Skill - Add within 20 - Practice adding. All numbers in these problems are 20 or less.

https://www.khanacademy.org/e/addition_2

Standard 1.OA.7

Common Core Area - Operations and Algebraic Thinking

Skill - Equal sign - Practice telling which equation is true.

https://www.khanacademy.org/e/meaning-of-equal-sign-1

Standard 1.OA.8

Common Core Area - Operations and Algebraic Thinking

Skill - Find missing number (add and subtract within 20) - Learn how to solve problems like "___ - 7 = 18" where you don't know one of the values in an addition or subtraction equation.

https://www.khanacademy.org/e/missing-number-within-20--add-and-subtract-