Subtracting 1 Set 6

Gap-fill exercise

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!
3 - 1 =

5 - 1 =

6 - 1 =

10 - 1 =

1 - 1 =

4 - 1 =

7 - 1 =

8 - 1 =

9 - 1 =

2 - 1 =