Grade 2 Mathematics Module 5, Topic A, Lesson 1

boy at school

Objective: Relate 10 more, 10 less, 100 more, and 100 less to addition and subtraction of 10 and 100.

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Common Core Learning Standards

CCLS State Standard
2.NBT.7 Add and subtract within 1000, using concrete models or drawings and strategies based on place value...
2.NBT.8 Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given...

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