## Khan Academy CCSS Lesson Links

Standard 2.G.1

Common Core Area - Geometry

Skill - Name shapes 4 - Practice identifying quadrilaterals, pentagons, hexagons, and octagons.

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

Standard 2.G.2

Common Core Area - GeometrySkill - Coming Soon

Standard 2.G.3

Common Core Area - Geometry

Skill - Equal parts of circles and rectangles - Practice telling if shapes are divided into 2 or 4 equal sections.

https://www.khanacademy.org/e/equal-parts-of-circles-and-rectangles

Standard 2.MD.1

Common Core Area - Measurement and Data

Skill - Measure lengths 2 - Measure objects using a ruler.

https://www.khanacademy.org/e/measuring-lengths-2

Standard 2.MD.2

Common Core Area - Measurement and Data

Skill - Coming Soon

Standard 2.MD.3

Common Core Area - Measurement and Data

Skill - Estimate lengths - Estimate lengths using units of centimeters and meters.

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

Standard 2.MD.3

Common Core Area - Measurement and Data

Skill - Estimate lengths (US Customary units) - Estimate lengths using units of inches, feet, and yards.

https://www.khanacademy.org/e/estimate-lengths--us-customary-units-

Standard 2.MD.4

Common Core Area - Measurement and Data

Skill - Coming Soon

Standard 2.MD.5

Common Core Area - Measurement and Data

Skill - Length word problems - Add and subtract lengths to solve word problems.

https://www.khanacademy.org/e/length-word-problems

Standard 2.MD.6

Common Core Area - Measurement and Data

Skill - Add and subtract on the number line word problems - Practice adding and subtracting using the number line. Numbers used are 100 or less.

https://www.khanacademy.org/e/adding-and-subtracting-on-the-number-line-word-problems

Standard 2.MD.7

Common Core Area - Measurement and Data

Skill - Tell time without labels - Tell time on unlabeled analog clocks.

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

Standard 2.MD.7

Common Core Area - Measurement and Data

Skill - Tell time with a labeled clock - Tell time on labeled analog clocks.

https://www.khanacademy.org/e/telling_time_0.5

Standard 2.MD.8

Common Core Area - Measurement and Data

Skill - Count money (U.S.) - Find the total value when given an amount of coins or dollars.

https://www.khanacademy.org/e/counting-money--us-

Standard 2.MD.9

Common Core Area - Measurement and Data

Skill - Make bar graphs 1 - Practice creating bar graphs (bar charts) from data sets.

https://www.khanacademy.org/e/make-bar-graphs-1

Standard 2.MD.9

Common Core Area - Measurement and Data

Skill - Make line plots - Practice creating line plots (dot plots) from data sets.

https://www.khanacademy.org/e/creating-line-plots-1

Standard 2.MD.9

Common Core Area - Measurement and Data

Skill - Solve problems with line plots - Answer questions using line plots and data sets.

https://www.khanacademy.org/e/solving-problems-with-line-plots-1

Standard 2.MD.9

Common Core Area - Measurement and Data

Skill - Make picture graphs 1 - Practice creating picture graphs (pictographs) from data sets.

https://www.khanacademy.org/e/make-picture-graphs-1

Standard 2.MD.10

Common Core Area - Measurement and Data

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

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

Standard 2.MD.10

Common Core Area - Measurement and Data

Skill - Solve problems with bar graphs 2 - Use bar graphs to solve addition and subtraction word problems.

https://www.khanacademy.org/e/solving-problems-with-bar-graphs-2

Standard 2.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Hundreds, tens, and ones - Practice thinking about place value of 3-digit numbers as hundreds, tens, and ones.

https://www.khanacademy.org/e/hundreds--tens--and-ones

Standard 2.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Hundreds, tens, and ones - Practice thinking about place value of 3-digit numbers as hundreds, tens, and ones.

https://www.khanacademy.org/e/hundreds--tens--and-ones

Standard 2.NBT.1

Common Core Area - Number and Operations in Base Ten

Skill - Hundreds, tens, and ones - Practice thinking about place value of 3-digit numbers as hundreds, tens, and ones.

https://www.khanacademy.org/e/hundreds--tens--and-ones

Standard 2.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Skip-count by 10s - Practice counting by 10s.

https://www.khanacademy.org/e/skip-counting-by-10s

Standard 2.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Count money (U.S.) - Find the total value when given an amount of coins or dollars.

https://www.khanacademy.org/e/counting-money--us-

Standard 2.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Skip-counting by 100s - Practice counting by 100s.

https://www.khanacademy.org/e/skip-counting-by-100s

Standard 2.NBT.2

Common Core Area - Number and Operations in Base Ten

Skill - Skip-count by 5s - Practice counting by 5s.

https://www.khanacademy.org/e/skip-counting-by-5s

Standard 2.NBT.3

Common Core Area - Number and Operations in Base Ten

Skill - 3-digit place value challenge - Practice breaking numbers into hundreds, tens, and ones.

https://www.khanacademy.org/e/writing-numbers-to-1000

Standard 2.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Subtract 1-digit numbers with regrouping - Practice solving problems like 46-9.

https://www.khanacademy.org/e/regroup-two-dig-minus-one-dig

Standard 2.NBT.4

Common Core Area - Number and Operations in Base Ten

Skill - Compare 3-digit numbers - Practice more challenging problems comparing numbers within 1000.

https://www.khanacademy.org/e/comparing-numbers-within-1000

Standard 2.NBT.5

Common Core Area - Number and Operations in Base Ten

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

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

Standard 2.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Subtract within 100 - Practice subtracting 2-digit numbers.

https://www.khanacademy.org/e/subtraction_3

Standard 2.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Add within 100 - Practice adding two-digit numbers. All numbers in these problems are 100 or less.

https://www.khanacademy.org/e/addition_3

Standard 2.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Subtract 1 or 10 - Practice subtracting 1 or 10 from a 2-digit number (no regrouping).

https://www.khanacademy.org/e/subtract-with-in-100-level-1

Standard 2.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Add 2-digit numbers by making tens - Practice adding 2-digit numbers like 43+27 that have sums that are multiples of 10.

https://www.khanacademy.org/e/making-100

Standard 2.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Subtracting 1s or 10s (no regrouping) - Practice solving problems like 67-5 and 67-50.

https://www.khanacademy.org/e/subtracting-1s-or-10s

Standard 2.NBT.5

Common Core Area - Number and Operations in Base Ten

Skill - Add 2-digit numbers by making tens 2 - Practice adding two-digit numbers by making groups of ten.

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

Standard 2.NBT.6

Common Core Area - Number and Operations in Base Ten

Skill - Coming Soon

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Select strategies for adding within 100 - Practice telling which strategies work for adding two numbers within 100.

https://www.khanacademy.org/e/select-strategies-for-adding-within-100

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Add and subtract on a number line - Practice adding and subtracting numbers like 554 and 237 using a number line. All numbers are less than 1000.

https://www.khanacademy.org/e/adding-and-subtracting-within-1000-using-a-number-line

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Add using groups of 10 and 100 - Practice making groups of 10 and 100 while adding 3-digit numbers.

https://www.khanacademy.org/e/making-100-and-1000

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Subtract 2- and 3-digit numbers (no regrouping) - Practice solving problems like 452 + 241.

https://www.khanacademy.org/e/subtract-within-1000--level-2

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Add 10s and 100s (no regrouping) - Practice solving problems like 344+20 and 344+200.

https://www.khanacademy.org/e/add-within-1000--level-1

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Subtract 10s and 100s (no regrouping) - Practice subtracting 1, 10, or 100 from a number.

https://www.khanacademy.org/e/subtract-within-1000--level-1

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Estimate to add and subtract multi-digit whole numbers - Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000.

https://www.khanacademy.org/e/estimate-to-add-multi-digit-whole-numbers-

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Break apart 3-digit addition problems - Practice breaking apart big addition problems using place value. For example, 234+567 is the same as 200+500+30+60+4+7.

https://www.khanacademy.org/e/break-apart-three-dig-add

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Add 2- and 3-digit numbers (no regrouping) - Practice solving problems like 243 + 452.

https://www.khanacademy.org/e/add-within-1000--level-2

Standard 2.NBT.7

Common Core Area - Number and Operations in Base Ten

Skill - Add and subtract using a number line - Practice adding and subtracting numbers like 54 and 37 using a number line. Numbers used in these problems are all less than 100.

https://www.khanacademy.org/e/add-sub-within-100-w-num-line

Standard 2.NBT.8

Common Core Area - Number and Operations in Base Ten

Skill - Coming Soon

Standard 2.NBT.9

Common Core Area - Number and Operations in Base Ten

Skill - Coming Soon

Standard 2.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Challenging add and subtract word problems (within 100) - Practice solving more challenging addition and subtraction word problems with "more" and "fewer".â€‹ Â Multi-step problems are also included. Numbers used are 100 or less.

https://www.khanacademy.org/e/addition-and-subtraction-word-problems-within-100--level-4

Standard 2.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Add and subtract within 100 word problems 3 - Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Â Numbers used are 100 or less.

https://www.khanacademy.org/e/addition-and-subtraction-word-problems-within-100--level-3

Standard 2.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Add and subtract within 100 word problems 2 - Practice solving word problems with addition and subtraction. These questions are comparison problems including difference unknown, smaller value unknown, and bigger value unknown. Â Numbers used are 100 or less.

https://www.khanacademy.org/e/addition-and-subtraction-word-problems-within-100--level-2

Standard 2.OA.1

Common Core Area - Operations and Algebraic Thinking

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

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

Standard 2.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Find the missing number (add and subtract within 100) - Practice solving problems like "___ - 45 = 27" where you have to figure out the missing value in an addition or subtraction equation.

https://www.khanacademy.org/e/find-the-missing-number-add-sub-within-100

Standard 2.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Add and subtract within 100 word problems 1 - Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems. Numbers used are 100 or less.

https://www.khanacademy.org/e/addition-and-subtraction-word-problems-within-100--level-1

Standard 2.OA.1

Common Core Area - Operations and Algebraic Thinking

Skill - Length word problems - Add and subtract lengths to solve word problems.

https://www.khanacademy.org/e/length-word-problems

Standard 2.OA.2

Common Core Area - Operations and Algebraic Thinking

Skill - Coming Soon

Standard 2.OA.3

Common Core Area - Operations and Algebraic Thinking

Skill - Coming Soon

Standard 2.OA.4

Common Core Area - Operations and Algebraic Thinking

Skill - Repeated addition - Practice solving word problems by adding the same number many times.