Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

5 + [?] = 10

[?]+ 4 = 11

10 - [?] = 5

[?] - 1 = 8

3 x [?] = 12

[?] x 3 = 18

2[?] 12 = 14

6 [?] 4 = 24

5 12 = 17

63 3 = 60