Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 90 · 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. 1.37 + 72 + 23 + 16 =
2. 2.15% of 130 =
3. 3.19 × 12 =
4. 4.25 × 15 =
5. 5.57 × 5 =
6. 6.29 + 38 =
7. 7.₹44.35 − ₹41.20 =
8. 8.25% of 250 =
9. 9.₹78.80 + ₹41.75 =
10. 10.Check with nines: 73 × 64 = 4672. Correct or wrong? (a) wrong (b) correct
11. 11.81² =
12. 12.57 × 15 =
13. 13.Best estimate of 51 × 28? (a) 15000 (b) 3000 (c) 150 (d) 1500
14. 14.₹64.85 + ₹40.90 =
15. 15.7 + 3 + 5 + 4 + 6 =
16. 16.5% of 700 =
17. 17.61 × 8 =
18. 18.568 − 56 =
19. 19.Best estimate of 198 × 6? (a) 120 (b) 2400 (c) 12000 (d) 1200
20. 20.₹35.80 − ₹3.15 =
21. 21.Best estimate of 59 × 69? (a) 42000 (b) 8400 (c) 420 (d) 4200
22. 22.19 × 8 =
23. 23.32 + 29 =
24. 24.54 × 15 =
25. 25.16 × 12 =
26. 26.433 + 99 =
27. 27.5% of 720 =
28. 28.61 × 8 =
29. 29.₹65.90 + ₹2.95 =
30. 30.Check with nines: 676 + 143 = 824. Correct or wrong? (a) correct (b) wrong
31. 31.87 × 4 =
32. 32.15 + 39 + 83 + 23 =
33. 33.46 × 4 =
34. 34.₹68.85 − ₹44.75 =
35. 35.68 × 5 =
36. 36.91² =
37. 37.Best estimate of 89 × 19? (a) 3600 (b) 18000 (c) 1800 (d) 180
38. 38.412 + 38 =
39. 39.6 + 7 + 3 + 4 =
40. 40.Check with nines: 607 + 198 = 805. Correct or wrong? (a) correct (b) wrong

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