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Standards/Math/Northern Mariana Islands/3.OA.D.8

3.OA.D.8

3.OA.D Solve problems involving the four operations, and identify and explain patterns in arithmetic.
3.OA.D.8
3.OA.D.9

Solve 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.

Example Problems
36×92≈?
58×26≈?
72×39≈?
Khan Academy Resources
2-step estimation word problemsAdd and subtract within 1000 word problems2-step expressions2-step word problemsRepresent 2-step word problems with equations2-step word problem: runningOrder of operations (2-step expressions)2-step word problem: trufflesSetting up 2-step word problems2-step word problem: theater2-step estimation word problems
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