Series: Math Routines with Kristin Gray: First Grade

Math.1.OA.D.8

Common core State Standards

  • Math:  Math
  • 1:  Grade 1
  • OA:  Operations & Algebraic Thinking
  • D:  Work with addition and subtraction equations
  • 8: 
    Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = - 3, 6 + 6 = .

Download Common Core State Standards (PDF 1.2 MB)

Addition Number String: First Grade
Grade 1 / Math / Tch DIY
Math.1.OA.D.8

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

1 Comment
you've done an amazing job teaching these kiddos! they're explanations are amazing.
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School Details

Shields (Richard A.) Elementary School
910 Shields Avenue
Lewes DE 19958
Population: 707

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

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