Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 592 · 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. 1.315 ÷ 5 =
2. 2.56 + 11 + 73 + 86 =
3. 3.Best estimate of 49 × 29? (a) 15000 (b) 3000 (c) 1500 (d) 150
4. 4.7 + 8 + 2 + 3 =
5. 5.66 − 28 =
6. 6.14 × 17 =
7. 7.316 − 79 =
8. 8.Check with nines: 18 × 96 = 1725. Correct or wrong? (a) correct (b) wrong
9. 9.Check with nines: 128 + 947 = 1075. Correct or wrong? (a) correct (b) wrong
10. 10.900 ÷ 50 =
11. 11.23 + 75 + 33 + 43 =
12. 12.39² =
13. 13.75 + 20 + 71 + 60 =
14. 14.39 × 4 =
15. 15.47 × 50 =
16. 16.432 − 57 =
17. 17.158 × 4 =
18. 18.282 + 68 =
19. 19.15% of 860 =
20. 20.1% of 40 =
21. 21.43 × 15 =
22. 22.102 + 39 =
23. 23.Check with nines: 584 + 281 = 865. Correct or wrong? (a) wrong (b) correct
24. 24.10% of 330 =
25. 25.19² =
26. 26.1% of 50 =
27. 27.6 + 2 + 8 + 3 + 8 =
28. 28.21² =
29. 29.14 × 50 =
30. 30.501 − 87 =
31. 31.276 − 67 =
32. 32.37 × 15 =
33. 33.91 × 4 =
34. 34.572 − 47 =
35. 35.29² =
36. 36.Check with nines: 66 × 63 = 4153. Correct or wrong? (a) wrong (b) correct
37. 37.6 + 5 + 4 + 4 =
38. 38.₹99.65 − ₹7.60 =
39. 39.350 ÷ 50 =
40. 40.Check with nines: 276 + 740 = 1016. Correct or wrong? (a) correct (b) wrong

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