Making the Hardest Subtraction Problem Easy! Freebie Included

Just when you think your students have a handle on subtraction......along comes a problem with multiple zeros. Then it becomes a "can you remember which zeros turn into 10's and which zeros turn into 9's? Don't forget the last digit that has to become one less. Here is an easy trick to show students about subtracting when a bunch of zeros rear their ugly heads. 

Hopefully all the leg work of showing students what we are doing to a number when we re-group, using base 10 blocks,  has already been done. If students have difficulty with determining one less than 3,000, then we know we have some place value work to do!

Here is a freebie to practice.

Subtraction Practice

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