Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 394 · 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. 1.20% of 230 =
2. 2.257 + 38 =
3. 3.Best estimate of 298 × 4? (a) 120 (b) 2400 (c) 1200 (d) 12000
4. 4.54 × 50 =
5. 5.16 × 50 =
6. 6.Best estimate of 298 × 3? (a) 900 (b) 90 (c) 9000 (d) 1800
7. 7.Best estimate of 89 × 79? (a) 720 (b) 7200 (c) 72000 (d) 14400
8. 8.₹25.25 + ₹6.65 =
9. 9.Check with nines: 535 + 258 = 793. Correct or wrong? (a) correct (b) wrong
10. 10.7 × 15 =
11. 11.49² =
12. 12.Best estimate of 78 × 88? (a) 72000 (b) 720 (c) 14400 (d) 7200
13. 13.₹51.50 − ₹9.05 =
14. 14.61 × 5 =
15. 15.59 × 4 =
16. 16.₹27.60 − ₹13.05 =
17. 17.28 × 50 =
18. 18.Check with nines: 26 × 70 = 1820. Correct or wrong? (a) correct (b) wrong
19. 19.540 − 57 =
20. 20.3 + 9 + 3 + 1 =
21. 21.69² =
22. 22.Best estimate of 698 × 8? (a) 56000 (b) 560 (c) 5600 (d) 11200
23. 23.39 × 50 =
24. 24.₹50.80 − ₹10.30 =
25. 25.Check with nines: 608 + 856 = 1464. Correct or wrong? (a) correct (b) wrong
26. 26.43 × 8 =
27. 27.31 × 15 =
28. 28.₹67.75 + ₹28.60 =
29. 29.1350 ÷ 50 =
30. 30.55 × 15 =
31. 31.72 × 8 =
32. 32.6 + 3 + 4 + 4 =
33. 33.840 ÷ 5 =
34. 34.160 ÷ 5 =
35. 35.650 ÷ 50 =
36. 36.11 × 12 =
37. 37.45 × 5 =
38. 38.136 × 4 =
39. 39.3 + 2 + 9 + 6 + 7 =
40. 40.21 × 15 =

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