Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 794 · 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. 1.15% of 610 =
2. 2.37 + 83 + 30 + 85 =
3. 3.₹97.30 + ₹9.50 =
4. 4.Best estimate of 498 × 6? (a) 300 (b) 6000 (c) 3000 (d) 30000
5. 5.52 × 8 =
6. 6.10% of 280 =
7. 7.70 × 5 =
8. 8.55 − 38 =
9. 9.Check with nines: 62 × 56 = 3474. Correct or wrong? (a) wrong (b) correct
10. 10.279 + 47 =
11. 11.73 + 23 + 77 + 15 =
12. 12.2 + 7 + 2 + 2 + 3 =
13. 13.368 − 37 =
14. 14.5% of 610 =
15. 15.50% of 590 =
16. 16.53 + 37 =
17. 17.68 × 8 =
18. 18.79² =
19. 19.19 × 50 =
20. 20.Check with nines: 669 + 455 = 1124. Correct or wrong? (a) wrong (b) correct
21. 21.342 − 27 =
22. 22.112 × 4 =
23. 23.₹57.05 + ₹16.90 =
24. 24.2 + 3 + 1 + 4 + 6 =
25. 25.54 × 5 =
26. 26.530 ÷ 5 =
27. 27.Best estimate of 202 × 5? (a) 10000 (b) 100 (c) 2000 (d) 1000
28. 28.375 ÷ 25 =
29. 29.159 + 67 =
30. 30.8 + 2 + 9 + 8 =
31. 31.89² =
32. 32.20% of 730 =
33. 33.6 + 4 + 1 + 4 =
34. 34.14 × 19 =
35. 35.16 × 16 =
36. 36.₹54.40 + ₹31.95 =
37. 37.Check with nines: 28 × 18 = 512. Correct or wrong? (a) wrong (b) correct
38. 38.1050 ÷ 50 =
39. 39.15% of 30 =
40. 40.79² =

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