Teachers, save “3 digit Subtraction with Base 10 Blocks” to assign it to your class.

First, watch the video in the instructions! Then the checkmark to answer the question "Will you need to regroup?" After that use the tool to build your starting number by adding blocks from the bank. Then, turn on your and solve the problem. Use the tool again if you need to regroup and get different blocks! Check your work and submit! :submit: