A timed speed-drill pack for building fast, accurate recall of fractions and percentages of amounts - the mental fluency that keeps working quick enough for the real GL Assessment 11+ maths paper. Complete each block against its own 5-minute target without a calculator, writing only the final answer in the answer grid provided; no working space is given or needed. There are 4 blocks of 20 one-mark, answer-only questions: Block 1, unit fractions of an amount (1/2, 1/3, 1/4 and similar); Block 2, non-unit fractions of an amount (3/4, 2/5, 5/6 and similar); Block 3, percentages of amounts built from the 50%, 25%, 10%, 5% and 1% building blocks; Block 4, a mixed block of fractions and percentages against the clock, including quick comparisons such as deciding whether a fraction or a percentage of the same amount is bigger. Each block carries its own Target: 5 minutes heading; time yourself (or ask an adult to time you) and note how close you get to the target on each block.
1
Block 1: Fraction of an amount (unit fractions) - Target: 5 minutes. Work out 1/2 of 20.
(Total for Question 1 is 1 mark)
2
Work out 1/2 of 16.
(Total for Question 2 is 1 mark)
3
Work out 1/4 of 20.
(Total for Question 3 is 1 mark)
4
Work out 1/4 of 40.
(Total for Question 4 is 1 mark)
5
Work out 1/3 of 30.
(Total for Question 5 is 1 mark)
6
Work out 1/5 of 25.
(Total for Question 6 is 1 mark)
7
Work out 1/10 of 50.
(Total for Question 7 is 1 mark)
8
Work out 1/2 of 34.
(Total for Question 8 is 1 mark)
9
Work out 1/4 of 60.
(Total for Question 9 is 1 mark)
10
Work out 1/3 of 27.
(Total for Question 10 is 1 mark)
11
Work out 1/5 of 45.
(Total for Question 11 is 1 mark)
12
Work out 1/6 of 36.
(Total for Question 12 is 1 mark)
13
Work out 1/8 of 40.
(Total for Question 13 is 1 mark)
14
Work out 1/10 of 90.
(Total for Question 14 is 1 mark)
15
Work out 1/3 of 51.
(Total for Question 15 is 1 mark)
16
Work out 1/6 of 54.
(Total for Question 16 is 1 mark)
17
Work out 1/9 of 63.
(Total for Question 17 is 1 mark)
18
Work out 1/7 of 84.
(Total for Question 18 is 1 mark)
19
Work out 1/8 of 96.
(Total for Question 19 is 1 mark)
20
Work out 1/12 of 144.
(Total for Question 20 is 1 mark)
21
Block 2: Fraction of an amount (non-unit fractions) - Target: 5 minutes. Work out 3/4 of 20.
(Total for Question 21 is 1 mark)
22
Work out 2/3 of 9.
(Total for Question 22 is 1 mark)
23
Work out 3/4 of 40.
(Total for Question 23 is 1 mark)
24
Work out 2/5 of 25.
(Total for Question 24 is 1 mark)
25
Work out 3/5 of 40.
(Total for Question 25 is 1 mark)
26
Work out 2/3 of 30.
(Total for Question 26 is 1 mark)
27
Work out 4/5 of 45.
(Total for Question 27 is 1 mark)
28
Work out 3/8 of 32.
(Total for Question 28 is 1 mark)
29
Work out 5/6 of 36.
(Total for Question 29 is 1 mark)
30
Work out 2/9 of 63.
(Total for Question 30 is 1 mark)
31
Work out 3/10 of 90.
(Total for Question 31 is 1 mark)
32
Work out 5/8 of 64.
(Total for Question 32 is 1 mark)
33
Work out 7/10 of 50.
(Total for Question 33 is 1 mark)
34
Work out 4/9 of 63.
(Total for Question 34 is 1 mark)
35
Work out 3/7 of 84.
(Total for Question 35 is 1 mark)
36
Work out 5/12 of 72.
(Total for Question 36 is 1 mark)
37
Work out 2/3 of 51.
(Total for Question 37 is 1 mark)
38
Work out 7/8 of 96.
(Total for Question 38 is 1 mark)
39
Work out 5/9 of 108.
(Total for Question 39 is 1 mark)
40
Work out 7/12 of 144.
(Total for Question 40 is 1 mark)
41
Block 3: Percentages of amounts (50%, 25%, 10%, 5%, 1% building blocks) - Target: 5 minutes. Work out 50% of 20.
(Total for Question 41 is 1 mark)
42
Work out 10% of 50.
(Total for Question 42 is 1 mark)
43
Work out 25% of 40.
(Total for Question 43 is 1 mark)
44
Work out 10% of 90.
(Total for Question 44 is 1 mark)
45
Work out 50% of 64.
(Total for Question 45 is 1 mark)
46
Work out 5% of 60.
(Total for Question 46 is 1 mark)
47
Work out 1% of 300.
(Total for Question 47 is 1 mark)
48
Work out 25% of 120.
(Total for Question 48 is 1 mark)
49
Work out 20% of 45.
(Total for Question 49 is 1 mark)
50
Work out 15% of 40.
(Total for Question 50 is 1 mark)
51
Work out 30% of 70.
(Total for Question 51 is 1 mark)
52
Work out 35% of 60.
(Total for Question 52 is 1 mark)
53
Work out 60% of 90.
(Total for Question 53 is 1 mark)
54
Work out 45% of 80.
(Total for Question 54 is 1 mark)
55
Work out 65% of 40.
(Total for Question 55 is 1 mark)
56
Work out 75% of 64.
(Total for Question 56 is 1 mark)
57
Work out 85% of 60.
(Total for Question 57 is 1 mark)
58
Work out 95% of 80.
(Total for Question 58 is 1 mark)
59
Work out 15% of 220.
(Total for Question 59 is 1 mark)
60
Work out 65% of 120.
(Total for Question 60 is 1 mark)
61
Block 4: Mixed fractions and percentages against the clock - Target: 5 minutes. Work out 1/2 of 90.
(Total for Question 61 is 1 mark)
62
Work out 25% of 200.
(Total for Question 62 is 1 mark)
63
Work out 3/4 of 60.
(Total for Question 63 is 1 mark)
64
Work out 40% of 90.
(Total for Question 64 is 1 mark)
65
Work out 2/5 of 45.
(Total for Question 65 is 1 mark)
66
Work out 70% of 30.
(Total for Question 66 is 1 mark)
67
Work out 5/6 of 60.
(Total for Question 67 is 1 mark)
68
Work out 15% of 80.
(Total for Question 68 is 1 mark)
69
Work out 7/10 of 90.
(Total for Question 69 is 1 mark)
70
Work out 85% of 40.
(Total for Question 70 is 1 mark)
71
Work out 3/8 of 64.
(Total for Question 71 is 1 mark)
72
Work out 45% of 120.
(Total for Question 72 is 1 mark)
73
Which is bigger: 1/2 of 50 or 40% of 50?
(Total for Question 73 is 1 mark)
74
Which is bigger: 3/4 of 40 or 70% of 40?
(Total for Question 74 is 1 mark)
75
Which is bigger: 3/5 of 40 or 55% of 40?
(Total for Question 75 is 1 mark)
76
Which is bigger: 2/3 of 60 or 60% of 60?
(Total for Question 76 is 1 mark)
77
Which is bigger: 5/8 of 240 or 55% of 240?
(Total for Question 77 is 1 mark)
78
Which is bigger: 7/12 of 240 or 65% of 240?
(Total for Question 78 is 1 mark)
79
Which is bigger: 3/8 of 240 or 35% of 240?
(Total for Question 79 is 1 mark)
80
Which is bigger: 9/10 of 200 or 85% of 200?
(Total for Question 80 is 1 mark)
Mark scheme · EP.M19 Speed Drills: Fractions and Percentages of Amounts