Back to Grade 1

Missing numbers in number sentences

Questions at easy, medium and hard levels. Pick a level and get a fresh set every time, with instant feedback.

Learn it A box stands for a missing number. Use the numbers you know to find it.

Example: $\square - 4 = 7$

  1. Some number take away 4 leaves 7.
  2. Work backwards: add the 4 back on.
  3. $7 + 4 = 11$. The missing number is 11.

Loading questions…