Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 647 · 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.₹74.55 − ₹11.60 =
2. 2.10% of 260 =
3. 3.5% of 570 =
4. 4.198 + 98 =
5. 5.5 + 5 + 5 + 4 + 1 =
6. 6.750 ÷ 50 =
7. 7.15 × 17 =
8. 8.51² =
9. 9.72 − 26 =
10. 10.83 × 50 =
11. 11.13 × 15 =
12. 12.30 + 79 + 56 + 40 =
13. 13.975 ÷ 25 =
14. 14.700 ÷ 25 =
15. 15.50% of 130 =
16. 16.₹29.95 − ₹3.10 =
17. 17.₹42.50 − ₹8.75 =
18. 18.7 + 4 + 4 + 8 + 3 =
19. 19.47 × 15 =
20. 20.Check with nines: 191 + 344 = 535. Correct or wrong? (a) wrong (b) correct
21. 21.5% of 60 =
22. 22.1% of 520 =
23. 23.34 × 5 =
24. 24.3 + 7 + 4 + 4 =
25. 25.19 × 18 =
26. 26.10 × 15 =
27. 27.59² =
28. 28.Check with nines: 58 × 81 = 4704. Correct or wrong? (a) correct (b) wrong
29. 29.456 + 99 =
30. 30.Check with nines: 140 + 933 = 1073. Correct or wrong? (a) correct (b) wrong
31. 31.289 + 47 =
32. 32.1650 ÷ 50 =
33. 33.Check with nines: 586 + 301 = 883. Correct or wrong? (a) wrong (b) correct
34. 34.78 × 5 =
35. 35.₹25.65 − ₹14.25 =
36. 36.387 + 88 =
37. 37.Check with nines: 98 × 41 = 4018. Correct or wrong? (a) wrong (b) correct
38. 38.850 ÷ 50 =
39. 39.352 − 89 =
40. 40.775 ÷ 25 =

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