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Mathematics - Common Core Standards

Operations and Algebraic Thinking for Kindergarten

Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.

  • K.OA.1. Represent addition and subtraction with objects, fingers, mental images, drawings1, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.

Addition

 
Addition Mat  Basic Addition   Add One Add Two 
Add Three  Add Four   Add Apples Add Pumpkins 
Add Five  Add Six     
       

Subtraction

Subtraction  Subtraction  Subtraction   
Subtraction with Visuals  Subtraction with Visuals  Subtraction with Visuals  Subtraction with Visuals 
       
 

 

  • K.OA.2. Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.
Addition Word Problem Preparation  Addition Word Problem Preparation     
       
 
Subtraction Word Problems       
       

 

 

 

  • K.OA.3. Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).
Equal Amounts  Equal Equations     
       
 

 

 

  • K.OA.4. For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.
Visual Addition to 10  Addition To 10     
       

 

 

  • K.OA.5. Fluently add and subtract within 5.
Math Family Triangle  Math Families     
Basic Math Generator  Use this math generator to create simple addition worksheets.       

The Common Core State Standards are © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. For more information about the Common Core State Standards, visit their website at http://www.corestandards.org

 
Math Worksheets

Click on any of the standards on the left to create custom worksheets or to print premade materials.

The Common Core State Standards are © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. For more information about the Common Core State Standards, visit their website at http://www.corestandards.org