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This is so cute! I love this!! This is helpful because it will help the students remember what to do. It can also be done for addition, multiplication, and division. The bad thing about this is it can take a lot of time. However, if you do it once, you can keep it for further years.
There is no printable but seems easy enough to make: number sense - might be a great center activity for 1st grade math! Should always have one math center deal with basic facts. This one might need to be parent/para/teacher led until the students get used to how to do it.