Integers

Add and subtract positive and negative numbers.

10 questions, free, marked as you go with a worked explanation on every one.

What this covers

The questions

  1. -5 + 8 = ?
  2. -3 - 4 = ?
  3. Which is smallest: -8, 2, or -3?
  4. 6 + (-9) = ?
  5. -4 × 3 = ?
  6. -7 + (-5) = ?
  7. 10 - 15 = ?
  8. Which is greatest: -2, -10, or 5?
  9. -6 × (-2) = ?
  10. At 6 a.m. the temperature in Edmonton was -8 degrees Celsius. By noon it had risen 15 degrees, and by evening it had fallen 4 degrees from the noon reading. What was the evening temperature, in degrees Celsius?

Answer these free