Arithmetic Grade Five

Lesson Five: Subtraction Review


Look at this subtraction problem:

     81
    - 8 
   -----

When you borrow from the tens column, you leave a 7. Most people when doing this one paper cross out the 8 and write a little 7 above it. Adding the tens just borrowed to the 1 in the ones column gives us 11. Most people cross out the 1 and write an 11 above it.

Sometimes the placement is more like this (this example uses a different problem):

You might want to use scratch paper to figure out the answers to the problems on the next page.

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