**Student Instructions**

1. Use the tool to show many tens and ones with the green and yellow cubes. 2. Then use the to write the tens and ones in the place value chart. 3. Tap the green to turn in your work.

This activity gives students practice with tens and ones. It supports the standard: 1.NBT.2. 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. *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). It gives a visual with base ten blocks and the standard form of the number are color matched to the blocks.