Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 402 · 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. 1.1% of 840 =
2. 2.350 ÷ 25 =
3. 3.45 + 97 =
4. 4.41 × 5 =
5. 5.₹86.20 + ₹10.95 =
6. 6.5 × 15 =
7. 7.13 × 8 =
8. 8.10% of 270 =
9. 9.6 + 5 + 8 + 4 + 6 =
10. 10.14 × 12 =
11. 11.Best estimate of 59 × 79? (a) 9600 (b) 4800 (c) 48000 (d) 480
12. 12.Best estimate of 901 × 4? (a) 36000 (b) 360 (c) 7200 (d) 3600
13. 13.4 + 2 + 3 + 6 + 3 =
14. 14.68 × 50 =
15. 15.₹96.30 + ₹9.35 =
16. 16.Best estimate of 97 × 9? (a) 1800 (b) 9000 (c) 90 (d) 900
17. 17.17 × 11 =
18. 18.118 × 4 =
19. 19.73 × 4 =
20. 20.318 − 19 =
21. 21.17 + 42 + 83 + 36 =
22. 22.12 × 50 =
23. 23.500 ÷ 25 =
24. 24.12 × 5 =
25. 25.Check with nines: 83 × 14 = 1156. Correct or wrong? (a) wrong (b) correct
26. 26.20 + 84 + 50 + 45 =
27. 27.1200 ÷ 50 =
28. 28.406 − 77 =
29. 29.14 × 16 =
30. 30.Best estimate of 401 × 8? (a) 32000 (b) 320 (c) 3200 (d) 6400
31. 31.7 + 7 + 2 + 3 =
32. 32.970 ÷ 5 =
33. 33.15 × 50 =
34. 34.₹88.50 + ₹14.20 =
35. 35.10 × 15 =
36. 36.5 + 9 + 1 + 9 =
37. 37.Best estimate of 497 × 5? (a) 5000 (b) 250 (c) 25000 (d) 2500
38. 38.245 ÷ 5 =
39. 39.494 + 29 =
40. 40.38 + 64 + 23 + 31 =

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