Maths - Finding the Mean with Negative Numbers

Two Numbers

Find the mean of 4 and -10.

Two Numbers

Find the mean of 4 and -10.

4 + -10 = -6

-6 ÷ 2 = -3

Two Numbers

Find the mean of -4 and -10.

Two Numbers

Find the mean of -4 and -10.

-4 + -10 = -14

-14 ÷ 2 = -7

Three Numbers

Find the mean of 3, -5 and -10.

Three Numbers

Find the mean of 3, -5 and -10.

3 + -5 + -10 = -12

-12 ÷ 3 = -4

Five Numbers

Find the mean of -3, 15, -2, 20 and -10.

Five Numbers

Find the mean of -3, 15, -2, 20 and -10.

-3 + 15 + -2 + 20 + -10 = 20

20 ÷ 5 = 4

Questions

Find the mean of...

  1. 12 and -8
  2. -4 and 2
  3. -10 and -14
  4. 4, 6 and -13
  5. -5, -5 and -2
  6. -2, 10, -5, -11
  7. -3, -3, -3
  8. 4, -10, -4, 2, -7
  9. -10, -20, -30
  10. 3, -20, 2, -3

Answers

  1. 4 ÷ 2 = 2
  2. -2 ÷ 2 = -1
  3. -24 ÷ 2 = -12
  4. -3 ÷ 3 = -1
  5. -12 ÷ 3 = -4
  6. -8 ÷ 4 = -2
  7. -9 ÷ 3 = -3
  8. -15 ÷ 5 = -3
  9. -60 ÷ 3 = -20
  10. -18 ÷ 4 = -4.5
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