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Standards/Math/North Dakota/1.OA.1

1.OA.1

1.OA Operations and Algebraic Thinking
1.OA.1
1.OA.2
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1.OA.5
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1.OA.8

Use strategies to add and subtract within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions.

Khan Academy Resources
Add and subtract within 20 word problemsAddition and subtraction word problems: superheroesAddition and subtraction word problems: gorillas
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