Teachers, save “16.8 "Understand Hundreds" Review” to assign it to your class.

1. 2. Look at the base-10 blocks on page 1. Use the tool to tell who counted the blocks correctly and how you know. 3. Then, show the same number of blocks using the fewest amount of base-10 blocks (exchange when necessary) using the tool, the tool, the and base-10 blocks, OR base-10 block manipulatives on page 2. *Remember: If you use manipulatives, take a to add to your work. 3. explaining if and/or what you exchanged and why. Also, share how you know your blocks represent the correct number. 4. Check your work 5.