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Standards/Math/Puerto Rico/2.OA.A

2.OA.A

2.OA Operations and Algebraic Thinking
2.OA.A
2.OA.A.1
2.OA.B
2.OA.C

Represent and solve problems involving addition and subtraction.

2.OA.A.1Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
Khan Academy Resources
Add and subtract on the number line word problemsSubtraction word problems within 1002-step subtraction word problems within 100Length word problemsSolve problems with line plots2-step addition word problems within 100Length word problem (US customary)Addition word problems within 100Adding and subtracting on number line word problemsSubtraction word problem: basketballAdding two digit numbers on a number lineAddition word problem: horsesMulti-step subtraction word problemMulti step addition word problemSubtraction word problem: crayonsLength word problem example (US Customary)
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