Spot the error

The question

Priya wrote 24 − 6 = 28. Write the correct answer.

Priya wrote 24 − 6 = 28. Write the correct answer.

Priya wrote 24 − 6 = 28. Write the correct answer.
24−6=18
24−6=18
they wrote:28
  1. Work it out yourself first, then compare with their answer.
  2. On your own: 24 − 6 = 18.
  3. Now compare. They wrote 28, and it should be 18 — out by 10. The correct answer is 18.

How it works.

  1. 01

    Work it out yourself first, then compare with their answer.

  2. 02

    On your own: 24 − 6 = 18.

  3. 03

    Now compare. They wrote 28, and it should be 18 — out by 10. The correct answer is 18.