Skills · The Number System · Integer Operations
Adding integers, opposite signs
Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.
Problem types
- negative first, answer negative: −10 + 7
- negative first, answer positive: −1 + 3
- positive first, answer negative: 5 + (−8)
- positive first, answer positive: 6 + (−2)
- opposites make zero: −8 + 8
- three terms, mixed signs: −8 + 5 + (−3)
Sample Sheet · Level 1
- 2 + (−9) =
- −6 + 6 =
- −1 + 4 =
- −4 + 3 =
- −9 + 6 =
- 1 + (−6) =
- −8 + 9 =
- 9 + (−4) =
Answer key
- −7
- 0
- 3
- −1
- −3
- −5
- 1
- 5
Sample Sheet · Level 3
- −25 + 1 =
- 34 + (−31) =
- −4 + 18 =
- 10 + 38 + (−18) =
- −50 + 6 + (−16) =
- −40 + 39 =
- 9 + (−9) =
- 27 + (−40) =
Answer key
- −24
- 3
- 14
- 30
- −60
- −1
- 0
- −13
Make your own
Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.