Grade 1 Mathematics Module 1, Topic J, Lesson 39

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Objective: Analyze the addition chart to create sets of related addition and subtraction facts.

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Common Core Learning Standards

CCLS State Standard
1.OA.6 Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use...
1.OA.8 Determine the unknown whole number in an addition or subtraction equation relating three whole...

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