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lesson 22
1 hour

Decompose Teen Numbers And Compare Using The Some Ones


Description

Students compare teen numbers by counting and comparing the extra ones. For example, students decompose 12 into 10 and 2, and 16 into 10 and 6. They compare 2 ones and 6 ones to see that 16 is more than 12 using the structure of the 10 ones.

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Credits

From EngageNY.org of the New York State Education Department. Kindergarten Mathematics Module 5, Topic E, Lesson 22. Available from engageny.org/resource/kindergarten-mathematics-module-5-topic-e-lesson-22; accessed 2015-05-29.
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