1B-6 − 10 = -16°C.
2E41 + 33 = 74.
3ECCXL = 240.
4E-11 + 9 = -2°C.
5B340 - 296 = 44.
6AEach pattern adds 4 squares, so Pattern 7 has 27.
7CThe 6 is in the ten thousands place → 60,000.
8D£207 ÷ 9 = £23.
9BLCM of 40 and 16 is 80.
10A-1 + 20 = 19°C.
11D80 ÷ 4 = 20.
12A(144 − 9) ÷ 9 = 15, so it is term 16.
13D3+1 = 4 equal parts; 28 ÷ 4 = 7; answer 21.
14B£279 + £885 = £1,164.
15C2 of 5 equal steps = 2/5.
16D85 squares out of 100 = 85%.
17B25 ÷ 5 × 3 = 15.
18C6 of 8 equal steps = 3/4.
19C25% of £100 = £25; £100 + £25 = £125.
20D(1 × 3)/4 = 3/4 = 3/4
21E50% of 70 = 35; 70 − 35 = 35.
22C5−4 = 1 parts = 8, so 1 part = 8; answer 72.
23C3/4 - 3/8 = 3/8.
24B10% of £160 = £16; £160 − £16 = £144.
25C16 ÷ 2 = 8, which is 1/3 of the number, so the number is 8 × 3 = 24.
26C£4.80 ÷ 8 × 2 = £1.20.
27A15 minutes.
28B4 of 6 shaded = 2/3.
29B4 × £3.22 = £12.88.
30DA translation slides a shape without turning or flipping it. Four of these are slides; one is a mirror image.
31B160 ml.
32E7 sides → Heptagon.
33E45 minutes.
34A8×2 = 16 m².
35E40 ÷ 30 × 90 = 120 km.
36A13×9 − 6×3 = 99 cm².
37D30 ÷ 20 × 80 = 120 minutes.
38AFourth corner: (6 , 2).
39A0.25 m is the shortest.
40A180° − 75° − 40° = 65°.
41A22.8 m = 2280 cm.
42B2×(3×9 + 9×10 + 3×10) = 294 cm².
43AMiddle value when sorted = 22.
44E6 × 5 = 30.
45A3 appears most often.
46E5 − 2 = 3.
47EMiddle value when sorted = 19.
48D80 − 23 − 22 = 35.
49B75 ÷ 5 = 15.
50EFrom Fri to Sat it rose by 13, the largest change.