Grade 1 Mathematics Module 1, Topic J

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Grade 1’s Module 1 closes with Topic J, where students spend Lesson 38 exploring the addition chart (similar to Topic F) and looking for patterns within the context of subtraction (MP.7, MP.8, 1.OA.6). When presented with a subtraction equation such as 7 - 3, students then use their knowledge of the decompositions of 7 to help them solve, and then discuss to find related addition equations on the addition chart such as 3 + 4 or 4 + 3. The final lesson, Lesson 39, allows students to further analyze the addition chart to create their own sets of related addition and subtraction facts for them to practice throughout the year as they work toward mastery of these foundational 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...

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