Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 356 · 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. 1.6 + 3 + 4 + 1 + 1 =
2. 2.114 + 47 =
3. 3.Best estimate of 499 × 5? (a) 2500 (b) 250 (c) 25000 (d) 5000
4. 4.₹89.25 + ₹36.05 =
5. 5.15 × 8 =
6. 6.10% of 20 =
7. 7.27 × 5 =
8. 8.Best estimate of 69 × 49? (a) 7000 (b) 350 (c) 35000 (d) 3500
9. 9.473 + 47 =
10. 10.212 + 78 =
11. 11.₹73.40 + ₹41.25 =
12. 12.86 × 5 =
13. 13.₹36.10 − ₹29.40 =
14. 14.Check with nines: 271 + 611 = 890. Correct or wrong? (a) wrong (b) correct
15. 15.8 + 8 + 5 + 2 =
16. 16.10% of 830 =
17. 17.1700 ÷ 50 =
18. 18.12 × 11 =
19. 19.42 + 72 + 59 + 58 =
20. 20.Check with nines: 89 × 73 = 6503. Correct or wrong? (a) wrong (b) correct
21. 21.71² =
22. 22.3 + 7 + 4 + 5 + 7 =
23. 23.7 × 15 =
24. 24.518 − 36 =
25. 25.84 × 50 =
26. 26.148 × 4 =
27. 27.Best estimate of 598 × 7? (a) 4200 (b) 420 (c) 42000 (d) 8400
28. 28.547 − 67 =
29. 29.38 + 30 + 46 + 41 =
30. 30.3 + 7 + 3 + 7 =
31. 31.39 × 5 =
32. 32.₹16.05 + ₹44.50 =
33. 33.15 × 18 =
34. 34.250 ÷ 25 =
35. 35.154 × 4 =
36. 36.38 + 85 + 29 + 25 =
37. 37.15% of 230 =
38. 38.189 − 96 =
39. 39.300 − 96 =
40. 40.61 + 25 + 13 + 18 =

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