Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 54 · 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. 1.5 + 2 + 8 + 5 =
2. 2.13 × 8 =
3. 3.172 − 76 =
4. 4.74 × 4 =
5. 5.71 × 4 =
6. 6.Best estimate of 51 × 79? (a) 4000 (b) 40000 (c) 400 (d) 8000
7. 7.Check with nines: 261 + 626 = 887. Correct or wrong? (a) correct (b) wrong
8. 8.36 × 15 =
9. 9.1300 ÷ 25 =
10. 10.14 + 25 + 64 + 28 =
11. 11.₹6.85 + ₹25.45 =
12. 12.36 × 8 =
13. 13.50 × 5 =
14. 14.43 + 97 =
15. 15.13 × 12 =
16. 16.6 + 6 + 4 + 4 + 6 =
17. 17.25% of 470 =
18. 18.440 − 59 =
19. 19.63 + 17 + 37 + 79 =
20. 20.37 × 15 =
21. 21.Best estimate of 91 × 62? (a) 10800 (b) 5400 (c) 54000 (d) 540
22. 22.49² =
23. 23.72 + 13 + 86 + 14 =
24. 24.Best estimate of 198 × 8? (a) 3200 (b) 16000 (c) 1600 (d) 160
25. 25.850 ÷ 50 =
26. 26.₹78.60 + ₹3.90 =
27. 27.20 + 67 + 28 + 22 =
28. 28.Check with nines: 952 + 311 = 1263. Correct or wrong? (a) correct (b) wrong
29. 29.290 ÷ 5 =
30. 30.₹99.20 − ₹37.65 =
31. 31.₹34.35 − ₹16.50 =
32. 32.598 − 96 =
33. 33.₹45.95 − ₹19.35 =
34. 34.15% of 110 =
35. 35.2 + 3 + 8 + 8 =
36. 36.₹22.45 − ₹6.70 =
37. 37.49 × 50 =
38. 38.850 ÷ 5 =
39. 39.15 × 12 =
40. 40.484 + 49 =

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