Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 728 · 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. 1.203 − 78 =
2. 2.35 × 50 =
3. 3.Best estimate of 297 × 3? (a) 1800 (b) 9000 (c) 900 (d) 90
4. 4.Check with nines: 252 + 505 = 757. Correct or wrong? (a) correct (b) wrong
5. 5.14 × 16 =
6. 6.Best estimate of 898 × 4? (a) 7200 (b) 360 (c) 36000 (d) 3600
7. 7.17 × 19 =
8. 8.Check with nines: 77 × 93 = 7161. Correct or wrong? (a) wrong (b) correct
9. 9.52 × 15 =
10. 10.14 × 15 =
11. 11.410 + 49 =
12. 12.539 − 66 =
13. 13.48 × 4 =
14. 14.79 + 20 + 75 + 35 =
15. 15.67 + 18 + 70 + 58 =
16. 16.₹96.80 + ₹47.85 =
17. 17.₹28.45 + ₹11.45 =
18. 18.Check with nines: 77 × 91 = 7007. Correct or wrong? (a) correct (b) wrong
19. 19.₹83.85 + ₹5.20 =
20. 20.750 ÷ 5 =
21. 21.67 + 59 =
22. 22.56 × 15 =
23. 23.268 − 56 =
24. 24.2 + 1 + 3 + 9 =
25. 25.10% of 330 =
26. 26.8 + 3 + 4 + 7 =
27. 27.250 ÷ 50 =
28. 28.561 − 26 =
29. 29.26 × 15 =
30. 30.85 + 51 + 21 + 73 =
31. 31.₹14.25 + ₹21.15 =
32. 32.52 + 18 + 87 + 13 =
33. 33.25 + 11 + 43 + 56 =
34. 34.21² =
35. 35.975 ÷ 25 =
36. 36.71² =
37. 37.150 ÷ 50 =
38. 38.Best estimate of 502 × 9? (a) 9000 (b) 45000 (c) 4500 (d) 450
39. 39.131 × 4 =
40. 40.462 − 78 =

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