Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 958 · 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. 1.70 × 5 =
2. 2.₹47.60 + ₹19.40 =
3. 3.292 + 48 =
4. 4.18 × 12 =
5. 5.59 × 15 =
6. 6.313 + 37 =
7. 7.25 × 15 =
8. 8.20% of 510 =
9. 9.17 × 16 =
10. 10.70 × 5 =
11. 11.525 ÷ 25 =
12. 12.7 + 5 + 5 + 1 =
13. 13.Check with nines: 25 × 66 = 1650. Correct or wrong? (a) correct (b) wrong
14. 14.10% of 260 =
15. 15.530 ÷ 5 =
16. 16.Best estimate of 92 × 28? (a) 5400 (b) 2700 (c) 270 (d) 27000
17. 17.20% of 610 =
18. 18.2 + 5 + 4 + 6 =
19. 19.1600 ÷ 50 =
20. 20.83 + 39 =
21. 21.59 × 5 =
22. 22.482 − 38 =
23. 23.358 + 58 =
24. 24.Check with nines: 164 + 169 = 334. Correct or wrong? (a) wrong (b) correct
25. 25.Check with nines: 33 × 72 = 2376. Correct or wrong? (a) wrong (b) correct
26. 26.2 + 2 + 8 + 2 =
27. 27.66 + 87 + 51 + 73 =
28. 28.₹58.15 − ₹38.35 =
29. 29.446 − 39 =
30. 30.15 × 14 =
31. 31.281 + 27 =
32. 32.16 × 13 =
33. 33.165 ÷ 5 =
34. 34.Best estimate of 28 × 42? (a) 120 (b) 1200 (c) 2400 (d) 12000
35. 35.1 + 4 + 5 + 6 + 7 =
36. 36.Best estimate of 52 × 89? (a) 9000 (b) 4500 (c) 450 (d) 45000
37. 37.17 × 16 =
38. 38.55 × 8 =
39. 39.92 × 50 =
40. 40.13 × 16 =

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