Arithmetic Grade Four

Lesson Eight: Subtraction Review


Remember to line up the columns when doing subtraction problems with two digits.

    47
    53
   -----
     4

STEP ONE: subtract the digits in the ones column

    47
    53
   -----
    14

STEP TWO: subtract the digits in the tens column
Here's another example:

    78
    26
   -----
     2

STEP ONE: subtract the digits in the ones column

    78
    26
   -----
    52

STEP TWO: subtract the digits in the tens column
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