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Grade 2Addition & Subtraction

2.OA.A.1

Solve one- and two-step add/subtract stories within 100.

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Add and Subtract Word Problems5 ways
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The standard, officially

Use 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.* *See Glossary, Table 1

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1.OA.A.1Solve add and subtract stories within 20 1.NBT.C.4Add within 100 1.NBT.C.5Add and subtract 10 mentally 1.NBT.C.6Subtract whole tens
Leads to
2.MD.D.10Draw picture and bar graphs 3.OA.D.8Solve two-step word problems 4.NF.B.3Add and subtract fractions