Series: Math Routines with Kristin Gray: Kindergarten

Math.K.OA.A.3

Common core State Standards

  • Math:  Math
  • K:  Kindergarten
  • OA:  Operations & Algebraic Thinking
  • A:  Understand addition, and understand subtraction
  • 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).


    Drawings need not show details, but should show the mathematics in the problem. (This applies wherever drawings are mentioned in the Standards.)

Download Common Core State Standards (PDF 1.2 MB)

Quick Image Math Routine: Kindergarten
Grade K / Math / Tch DIY
Math.K.OA.A.3

Instructional coach Kristin Gray asks a group of kindergarten students to describe the ways they can count the number of dots through subitizing and use of the ten frame.

1 Comment
I really like how children were eager to participate and it was obvious they understood the concept of adding and subtracting as well.
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Shields (Richard A.) Elementary School
910 Shields Avenue
Lewes DE 19958
Population: 723

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Kristin Gray
Math / Kindergarten 1 2 3 4 5 / Teacher

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