Description
Objective: Make ten when one addend is 8. (Day 2)
Students decompose one addend to make ten with 8 as the key addend. This allows them to realize that this is an efficient strategy.
Downloads
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Prerequisites
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0.OA.2,
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0.OA.3,
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0.OA.4,
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0.OA.5,
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1.OA.3,
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1.OA.4,
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1.OA.5,
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1.OA.6,
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1.OA.B.3,
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1.OA.B.4,
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1.OA.C.5,
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1.OA.C.6
Credits
From EngageNY.org of the New York State Education Department. Grade 1 Mathematics Module 2, Topic A, Lesson 8.
Available from engageny.org/resource/grade-1-mathematics-module-2-topic-lesson-8; accessed 2015-05-29.
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