Base 5 subtraction problems to try:

Using physical base 5 materials or the SMART notebook base 5 materials, try to solve these two subtraction problems:

231₅ - 122₅

321₅ - 143₅

Here's a short getting started clip to help you set it up

I would like you to think back to the last exam, where I asked you to explain the difference between modeling subtraction as separate result unknown and modeling as compare difference unknown, and I would like you to try to set this up as a separate rather than a compare problem.