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Answers
Question 1
| (a) | 17 | (b) | 8 | (c) | 14 |
| (d) | 17 | (e) | 23 | (f) | 44 |
| (g) | 108 | (h) | 89 | (i) | 42 |
| (j) | 29 | (k) | 271 | (l) | 133 |
Question 2
| (a) | 25 | (b) | 2 | (c) | 56 |
| (d) | 6 | (e) | 3 | (f) | 60 |
| (g) | 5 | (h) | -3 | (i) | 167 |
| (j) | 36 | (k) | 15 | (l) | -86 |
Question 3
| (a) | 3 | (b) | 1 | (c) | 1 |
| (d) | 3 | (e) | 2 | (f) | 3.25 |
| (g) | 0.5 | (h) | 4 | (i) | 2 |
| (j) | 2 | (k) | 4 | (l) | 0.25 |
Question 4
| (a) | (12 - 5) x 7 = 49 | (b) | 24 - (3 x 5) = 9 | (c) | (18 + 3) x 5 = 105 |
| (d) | 32 - 5 x (2 + 4) = 2 | (e) | (6 - 22) x 7 = 14 | (f) | 12 + 5 x (3 - 2) = 6 |
| (g) | 5 + 2 x (3 - 1) = 9 | (h) | (3 + 4) x (2 + 6) = 56 | (i) | 3 x (25 - 13) + 4 = 40 |
| (j) | (22 + 32) x 4 = 52 | (k) | 16 - (42 + 3) = -3 | (l) | (12 - 32) x 2 = 6 |