Operations & Algebraic Thinking Worksheets
Free, printable worksheets for every Common Core Operations & Algebraic Thinking standard (Kindergarten–5th Grade) — each with a free answer key. Pick a standard to see every matching worksheet.
About the Operations & Algebraic Thinking domain
Operations & Algebraic Thinking is a Common Core math domain that spans Kindergarten–5th Grade. It groups the related standards below; each standard targets one specific skill. Choose a standard to practise it with free, printable worksheets — every sheet comes in multiple sets so kids can repeat the skill with fresh questions.
Kindergarten
K.OA.1
Represent addition and subtraction with objects, fingers, drawings, sounds, or equations.
K.OA.2
Solve addition and subtraction word problems within 10.
K.OA.3
Decompose numbers less than or equal to 10 into pairs in more than one way.
K.OA.4
For any number from 1 to 9, find the number that makes 10 when added to it.
K.OA.5
Fluently add and subtract within 5.
1st Grade
1.OA.1
Use addition and subtraction within 20 to solve word problems.
1.OA.2
Solve word problems that call for adding three whole numbers within 20.
1.OA.3
Apply properties of operations as strategies to add and subtract.
1.OA.4
Understand subtraction as an unknown-addend problem.
1.OA.5
Relate counting to addition and subtraction.
1.OA.6
Add and subtract within 20, demonstrating fluency within 10.
1.OA.7
Understand the meaning of the equal sign.
1.OA.8
Determine the unknown whole number in an addition or subtraction equation.
2nd Grade
3rd Grade
3.OA.1
Interpret products of whole numbers.
3.OA.2
Interpret whole-number quotients of whole numbers.
3.OA.3
Use multiplication and division within 100 to solve word problems.
3.OA.4
Determine the unknown whole number in a multiplication or division equation.
3.OA.5
Apply properties of operations as strategies to multiply and divide.
3.OA.6
Understand division as an unknown-factor problem.
3.OA.7
Fluently multiply and divide within 100.
3.OA.8
Solve two-step word problems using the four operations.
3.OA.9
Identify arithmetic patterns and explain them using properties of operations.
4th Grade
4.OA.1
Interpret a multiplication equation as a comparison.
4.OA.2
Multiply or divide to solve word problems involving multiplicative comparison.
4.OA.3
Solve multistep word problems using the four operations.
4.OA.4
Find all factor pairs for a whole number 1–100; recognize multiples and primes.
4.OA.5
Generate a number or shape pattern that follows a given rule.