This documents consists of 4 pages for students plus an answer key. The students are given base ten block images for two-digit numbers and they must identify the number of tens and the number of ones in the value.
Cumulatively, these tasks are relevant for
"Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
10 can be thought of as a bundle of ten ones — called a "ten."
The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones."
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