| 1) | -10 - -1 + 11 | 2) | -7 + 9 + 24 |
| 3) | 5 - -5 - 3 | 4) | -9 + 9 + -19 |
| 5) | 3 + 2 + 20 | 6) | 2 - -3 - -22 |
| 7) | -10 + 3 + -17 | 8) | 2 + 4 + 19 |
| 9) | 10 - -1 + 4 | 10) | 1 + 5 + -15 |
| 11) | 4 - -9 - 4 | 12) | 7 + 5 + 10 |
| 13) | 12 - -6 - 9 | 14) | -9 - -1 + 17 |
| 15) | -8 + 9 + 1 | 16) | -12 + 7 + -23 |
| 17) | -12 + 10 + 23 | 18) | 9 - -7 - -6 |
| 19) | 8 - -9 - -7 | 20) | -5 + 1 - 20 |
| 21) | -6 - -2 - 4 | 22) | 13 - -3 - 6 |
| 23) | 13 - -4 - 4 | 24) | -3 - -10 - 24 |
| 25) | -1 + 7 + -22 | 26) | -3 + 8 + 8 |
| 27) | -3 + 6 + 10 | 28) | -3 + 10 + -5 |
| 29) | 3 - -8 - 12 | 30) | 5 + 4 + -7 |
| 31) | 6 + 2 + -6 | 32) | -3 - -2 - -6 |
| 33) | -1 + 7 + 4 | 34) | 3 + 1 - 21 |
| 35) | -2 - -9 - -14 | 36) | -7 - -5 - 23 |
| 37) | 3 - -6 - 13 | 38) | -8 + 4 + -5 |
| 39) | 3 - -3 - 15 | 40) | 10 + 6 + -8 |
Joke:
Terry shouted at his stubborn public-school-boy son: 'I pay thousands of pounds to your schoolmasters; but your classmates seem to be your mentors!'