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lesson 10
1 hour

Multiples of 10 From Multiples of 10-100


Description

Objective: Add and subtract multiples of 10 from multiples of 10 to 100, including dimes.

Lesson 10 focuses students on number work with tens, as they add and subtract multiples of 10 from multiples of 10. Students see that 20 + 70 is the same as 2 tens + 7 tens, and that 80 – 50 is the same as 8 tens – 5 tens (1.NBT.4, 1.NBT.6).

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From EngageNY.org of the New York State Education Department. Grade 1 Mathematics Module 6, Topic C, Lesson 10. Available from engageny.org/resource/grade-1-mathematics-module-6-topic-c-lesson-10; accessed 2015-05-29.
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