Grade 7 · Math
Subtract signed integers practice
Rewrite subtraction as addition of the opposite.
Opening your practice adventure…
Try a sample
What is (13) − (0)?
- 16
- 13
- 17
- 15
See the answer & why
13
Subtracting 0 is adding its opposite: 13 + (0) = 13.
A little hint: Replace subtraction with addition of the opposite.
A teaching tip
Change subtraction to addition and reverse only the subtracted number’s sign.