Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 249 · 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. 1.3 + 1 + 6 + 7 =
2. 2.50% of 360 =
3. 3.Check with nines: 590 + 374 = 971. Correct or wrong? (a) wrong (b) correct
4. 4.132 × 4 =
5. 5.135 + 38 =
6. 6.47 × 5 =
7. 7.30 × 5 =
8. 8.Check with nines: 700 + 137 = 837. Correct or wrong? (a) correct (b) wrong
9. 9.59 × 15 =
10. 10.437 − 56 =
11. 11.348 − 28 =
12. 12.1425 ÷ 25 =
13. 13.48 + 27 + 46 + 24 =
14. 14.256 + 28 =
15. 15.Check with nines: 53 × 84 = 4452. Correct or wrong? (a) correct (b) wrong
16. 16.65 × 5 =
17. 17.2 + 4 + 6 + 6 + 1 =
18. 18.10% of 750 =
19. 19.165 − 37 =
20. 20.39² =
21. 21.₹41.85 − ₹24.15 =
22. 22.Check with nines: 34 × 16 = 544. Correct or wrong? (a) wrong (b) correct
23. 23.Check with nines: 969 + 907 = 1876. Correct or wrong? (a) correct (b) wrong
24. 24.71 × 4 =
25. 25.55 × 8 =
26. 26.₹89.50 − ₹25.30 =
27. 27.18 × 15 =
28. 28.19² =
29. 29.55 × 8 =
30. 30.3 + 8 + 2 + 4 =
31. 31.53 + 14 + 34 + 48 =
32. 32.Check with nines: 29 × 40 = 1160. Correct or wrong? (a) correct (b) wrong
33. 33.98 × 50 =
34. 34.Check with nines: 32 × 38 = 1216. Correct or wrong? (a) wrong (b) correct
35. 35.1000 ÷ 25 =
36. 36.49 × 15 =
37. 37.₹35.40 + ₹11.95 =
38. 38.Best estimate of 299 × 3? (a) 90 (b) 1800 (c) 900 (d) 9000
39. 39.86 + 19 + 32 + 48 =
40. 40.Check with nines: 199 + 460 = 659. Correct or wrong? (a) correct (b) wrong

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