Grade 1 Mathematics Module 1, Topic D, Lesson 16

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Objective: Count on to find the unknown part in missing addend equations such as 6 + __ = 9. Answer, “How many more to make 6, 7, 8, 9, and 10?”

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Common Core Learning Standards

CCLS State Standard
1.OA.8 Determine the unknown whole number in an addition or subtraction equation relating three whole...

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