Worked example
What is 4 − (−3)?
Answer & why
Answer: 7
Subtracting −3 is adding 3, so 4 + 3 = 7.
Grade 7 · Math
Subtract signed integers
Rewrite subtraction as addition of the opposite.
8 generated examples + worked example
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8 reproducible examples from this math generator. Choose New examples for another set.
Question 1
What is (10) − (12)?
- -1
- -3
- -2
- 2
A hint
Replace subtraction with addition of the opposite.
Answer & why
Answer: -2
Subtracting 12 is adding its opposite: 10 + (-12) = -2.
Question 2
What is (13) − (0)?
- 16
- 13
- 17
- 15
A hint
Replace subtraction with addition of the opposite.
Answer & why
Answer: 13
Subtracting 0 is adding its opposite: 13 + (0) = 13.
Question 3
What is (-6) − (6)?
- -12
- -8
- -11
- -10
A hint
Replace subtraction with addition of the opposite.
Answer & why
Answer: -12
Subtracting 6 is adding its opposite: -6 + (-6) = -12.
Question 4
What is (11) − (-8)?
- 19
- 23
- 18
- 22
A hint
Replace subtraction with addition of the opposite.
Answer & why
Answer: 19
Subtracting -8 is adding its opposite: 11 + (8) = 19.
Question 5
What is (-2) − (0)?
- 2
- -3
- -1
- -2
A hint
Replace subtraction with addition of the opposite.
Answer & why
Answer: -2
Subtracting 0 is adding its opposite: -2 + (0) = -2.
Question 6
What is (14) − (10)?
- 5
- 4
- 6
- 2
A hint
Replace subtraction with addition of the opposite.
Answer & why
Answer: 4
Subtracting 10 is adding its opposite: 14 + (-10) = 4.
Question 7
What is (5) − (-20)?
- 26
- 25
- 27
- 29
A hint
Replace subtraction with addition of the opposite.
Answer & why
Answer: 25
Subtracting -20 is adding its opposite: 5 + (20) = 25.
Question 8
What is (-10) − (-4)?
- -3
- -4
- -7
- -6
A hint
Replace subtraction with addition of the opposite.
Answer & why
Answer: -6
Subtracting -4 is adding its opposite: -10 + (4) = -6.