Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 564 · 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. 1.219 − 67 =
2. 2.7 + 4 + 3 + 8 =
3. 3.33 × 8 =
4. 4.11 × 14 =
5. 5.205 ÷ 5 =
6. 6.Check with nines: 942 + 190 = 1139. Correct or wrong? (a) wrong (b) correct
7. 7.₹68.85 + ₹27.55 =
8. 8.1250 ÷ 50 =
9. 9.87 + 32 + 21 + 88 =
10. 10.1750 ÷ 50 =
11. 11.10% of 260 =
12. 12.51 × 50 =
13. 13.Best estimate of 301 × 4? (a) 12000 (b) 120 (c) 2400 (d) 1200
14. 14.33 × 5 =
15. 15.19 × 19 =
16. 16.33 × 15 =
17. 17.392 + 17 =
18. 18.151 × 4 =
19. 19.373 + 58 =
20. 20.Check with nines: 33 × 52 = 1716. Correct or wrong? (a) correct (b) wrong
21. 21.Best estimate of 97 × 8? (a) 800 (b) 80 (c) 1600 (d) 8000
22. 22.Best estimate of 42 × 72? (a) 5600 (b) 28000 (c) 2800 (d) 280
23. 23.₹84.05 + ₹47.50 =
24. 24.1275 ÷ 25 =
25. 25.Best estimate of 303 × 4? (a) 2400 (b) 1200 (c) 12000 (d) 120
26. 26.131 × 4 =
27. 27.421 + 89 =
28. 28.11 × 15 =
29. 29.9 + 8 + 2 + 7 =
30. 30.1000 ÷ 50 =
31. 31.12 × 18 =
32. 32.24 × 15 =
33. 33.152 × 4 =
34. 34.305 ÷ 5 =
35. 35.45 × 5 =
36. 36.Check with nines: 896 + 358 = 1256. Correct or wrong? (a) wrong (b) correct
37. 37.Best estimate of 49 × 78? (a) 8000 (b) 40000 (c) 4000 (d) 400
38. 38.Best estimate of 52 × 88? (a) 9000 (b) 4500 (c) 450 (d) 45000
39. 39.117 × 4 =
40. 40.Check with nines: 26 × 67 = 1735. Correct or wrong? (a) correct (b) wrong

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