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# CCSS.MATH.CONTENT.1.NBT.2

### Description

Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: -- a. 10 can be thought of as a bundle of ten ones — called a “ten.” -- b. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones. -- c. The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).

## Math Blended Learning Unit

This resource is meant for a blended learning classroom. The unit is broken down into a math workshop model where students will visit stations as they complete each activity.

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