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Unit 1, Lesson 38

Look for and make use of repeated reasoning and structure using the addition chart to solve subtraction problems.

EngageNY 60 min(s)

In this lesson, students relate subtraction problems to the addition chart. For example, when presented with 7 - 3, students apply their knowledge of the decompositions of 7 to solve, and discuss where to find related addition expressions (3 + 4 and 4 + 3) on the addition chart.

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Other lessons from Unit 1 in Grade 1 by EngageNY

Previous Lesson

Unit 1, Lesson 37

Relate subtraction from nine to corresponding decompositions.

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Next Lesson

Unit 1, Lesson 39

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

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