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Standards/Math/Alabama/3.8

3.8

3 Grade 3
3.1
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3.2
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3.3
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3.9
3.DA
3.G
3.M
3.OAT
3.ONBT
3.ONF

Determine and justify solutions for two-step word problems using the four operations and write an equation with a letter standing for the unknown quantity. Determine reasonableness of answers using number sense, context, mental computation, and estimation strategies including rounding.

Example Problems
Solve for x:
7x−4=31
Solve for x:
7−x=1
Solve for x:
11−2x=1
Khan Academy Resources
2-step estimation word problemsAdd and subtract within 1000 word problems2-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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