Series: Math Routines with Kristin Gray: First Grade
Common core State Standards
- Math: Math
- 1: Grade 1
- OA: Operations & Algebraic Thinking
- D: Work with addition and subtraction equations
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 = .
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