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!

1. Calculate:

5 + 9 =

2 + 9 =

4 + 8 =

6 + 9 =

9 + 4 =

7 + 9 =

10 + 8 =

8 + 6 =

9 + 9 =

5 + 9 =



2. Calculate:

16 - 9 =

19 - 8 =

16 - 8 =

11 - 8 =

14 - 9 =

11 - 9 =

10 - 10 =

18 - 9 =

14 - 6 =

12 - 5 =