Grade 1 Mathematics Module 1, Topic C, Lesson 9

students reading

Objective: Solve add to with result unknown and put together with result unknown math stories by drawing, writing equations, and making statements of the solution.

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Common Core Learning Standards

CCLS State Standard
1.OA.5 Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
1.OA.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use...

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