Page 29 - SPARK OF MATH book(2)

(2-2) Subtracting 2-Digit Numbers.

Subtracting numbers without regrouping.

9 4 minuend

- 5 1 subtrahend
_____

difference
4 3

First, subtract the ones Then, subtract the tens

9 4 9 4
- 5 1 - 5 1
_____ _____

3 4 3

Subtract.

8 5 6 5 7 6
- 5 2 - 1 1 - 5 4
_____
_____
_____

9 7 4 8 6 3
- 3 5 - 1 8 - 4 0
_____
_____
_____

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