Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 809 · 40 questions

The fast method (Spot the trick): A 7, 8 or 9 in the ones place → round and fix. × 4, 8, 5, 50 or 15 → doubling or halving tricks. ÷ 5, 25 or 50 → double first. A percentage → start from 10%. Checking or estimating → nines or rounding.

1. 1.10% of 200 =
2. 2.1 + 6 + 2 + 4 + 6 =
3. 3.12 × 16 =
4. 4.54 + 80 + 22 + 35 =
5. 5.20% of 150 =
6. 6.Check with nines: 372 + 185 = 557. Correct or wrong? (a) wrong (b) correct
7. 7.44 × 8 =
8. 8.4 + 3 + 7 + 7 =
9. 9.18 × 11 =
10. 10.Check with nines: 38 × 67 = 2546. Correct or wrong? (a) wrong (b) correct
11. 11.3 + 2 + 9 + 7 =
12. 12.19 × 8 =
13. 13.₹41.80 + ₹45.80 =
14. 14.22 × 15 =
15. 15.15 × 19 =
16. 16.38 × 15 =
17. 17.59² =
18. 18.50 × 15 =
19. 19.246 − 57 =
20. 20.₹49.50 − ₹34.50 =
21. 21.285 ÷ 5 =
22. 22.16 × 5 =
23. 23.Check with nines: 37 × 26 = 964. Correct or wrong? (a) wrong (b) correct
24. 24.5 + 5 + 6 + 7 + 1 =
25. 25.125 ÷ 5 =
26. 26.Best estimate of 41 × 38? (a) 1600 (b) 3200 (c) 160 (d) 16000
27. 27.4 × 15 =
28. 28.79 + 79 + 28 + 88 =
29. 29.381 + 69 =
30. 30.1 + 8 + 2 + 8 =
31. 31.₹14.65 + ₹47.65 =
32. 32.320 ÷ 5 =
33. 33.10% of 850 =
34. 34.₹72.30 + ₹17.25 =
35. 35.29² =
36. 36.432 − 76 =
37. 37.88 × 4 =
38. 38.5% of 30 =
39. 39.Check with nines: 67 × 45 = 3011. Correct or wrong? (a) correct (b) wrong
40. 40.3 + 1 + 4 + 7 =

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