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Standards/Math/South Dakota/3.OA.D

3.OA.D

3.OA Operations and Algebraic Thinking
3.OA.A
3.OA.B
3.OA.C
3.OA.D
3.OA.D.83.OA.D.9

Solve problems involving the four operations, and identify and explain patterns in arithmetic.

3.OA.D.8Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.3.OA.D.9Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations.
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