Arithmetic Grade Four
Lesson Thirty-three: Subtraction Problems
Think about this sample problem:
Remember the steps we take when doing this kind of problem:
- Borrow from the tens column (cross out 5, write a 4 by it, and write a 1
in front of the 7)
- Subtract the ones column (17 - 8 = 9)
- Subtract the tens column (4 - 3 = 1)
On the next page you get to do a few for yourself. Use a piece of scratch paper to do
your work and then type in the answer.
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