Integer operations

Math

Definition

The rules for adding, subtracting, multiplying, and dividing positive and negative whole numbers (integers). Key rules involve the signs of the numbers being combined.

Examples

  • −5 + 3 = −2 (different signs: subtract and keep the sign of the larger absolute value)
  • −4 × −6 = 24 (negative times negative equals positive)
  • −12 ÷ 3 = −4 (different signs give a negative result)
Key Fact

Same signs multiply/divide to positive; different signs multiply/divide to negative.

Study This Concept

Practice integer operations with free review games in these units: