Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 259 · 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. 1.50% of 660 =
2. 2.Check with nines: 564 + 719 = 1285. Correct or wrong? (a) correct (b) wrong
3. 3.15% of 300 =
4. 4.10% of 730 =
5. 5.5 + 7 + 3 + 7 =
6. 6.218 − 37 =
7. 7.39² =
8. 8.86 × 4 =
9. 9.Best estimate of 502 × 7? (a) 350 (b) 35000 (c) 3500 (d) 7000
10. 10.5% of 120 =
11. 11.3 + 7 + 7 + 7 + 1 =
12. 12.7 + 3 + 2 + 6 =
13. 13.40 × 15 =
14. 14.45 + 25 + 86 + 70 =
15. 15.55 × 15 =
16. 16.1% of 390 =
17. 17.302 − 16 =
18. 18.21 × 8 =
19. 19.160 ÷ 5 =
20. 20.15 + 22 + 40 + 59 =
21. 21.57 × 50 =
22. 22.4 + 1 + 6 + 7 =
23. 23.16 × 18 =
24. 24.₹29.90 + ₹17.70 =
25. 25.Check with nines: 497 + 740 = 1232. Correct or wrong? (a) wrong (b) correct
26. 26.51 × 50 =
27. 27.8 + 8 + 2 + 4 =
28. 28.Best estimate of 397 × 5? (a) 20000 (b) 2000 (c) 4000 (d) 200
29. 29.19 × 15 =
30. 30.25 × 15 =
31. 31.Best estimate of 703 × 3? (a) 210 (b) 4200 (c) 2100 (d) 21000
32. 32.32 × 5 =
33. 33.360 ÷ 5 =
34. 34.₹14.25 + ₹27.95 =
35. 35.Best estimate of 399 × 4? (a) 160 (b) 16000 (c) 1600 (d) 3200
36. 36.10% of 180 =
37. 37.Best estimate of 68 × 88? (a) 630 (b) 12600 (c) 6300 (d) 63000
38. 38.474 − 96 =
39. 39.64 × 15 =
40. 40.12 × 5 =

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