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)

True or False Problem String: Kindergarten
Grade K / Math / Tch DIY
Math.K.OA.A.3

The "True or False" routine encourages students to think relationally about expressions using what they know about the meaning of the equal sign, operations, and their properties.

4 Comments

I love this true/false routine! I really like the way the kids are challenged to explain their thinking. I can't wait to try this in my classroom to get my students to think about problems in different ways.

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kove the numeic rproblems  and asking the kids to come up with ideas that make 5 

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Great patience and take the false answer as the true one.  It make the children open to any answers and ideas.

I really like it because it's quite different from China's classroom 

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You are wonderful. I have learned so much from watching these. Thank you!
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School Details

Shields (Richard A.) Elementary School
910 Shields Avenue
Lewes DE 19958
Population: 723

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Kristin Gray
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