| 1) | 67 - 15 --- | 2) | 58 - 25 --- |
| 3) | 45 - 11 --- | 4) | 65 - 25 --- |
| 5) | 69 - 11 --- | 6) | 68 - 33 --- |
| 7) | 69 - 34 --- | 8) | 47 - 24 --- |
| 9) | 69 - 32 --- | 10) | 58 - 12 --- |
| 11) | 45 - 25 --- | 12) | 67 - 21 --- |
| 13) | 56 - 25 --- | 14) | 57 - 11 --- |
| 15) | 55 - 33 --- | 16) | 59 - 15 --- |
Joke:
What is the best excuse for not doing your maths homework? - Pythagoras' birthday!