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topic D
4 hours

Decompositions of Teen Numbers


Description

Topic D closes the module with students renaming ten as a unit: a ten (1.NBT.2a). This is the very first time students are introduced to this language of ten as a unit, so this is exciting! The unit of ten is the foundation for our whole number system, wherein all units are comprised of ten of the adjacent unit on the place value chart.

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Prerequisites

Credits

From EngageNY.org of the New York State Education Department. Grade 1 Mathematics Module 2, Topic D. Available from engageny.org/resource/grade-1-mathematics-module-2-topic-d; accessed 2015-05-29.
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