Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 496 · 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. 1.4 + 6 + 9 + 1 + 1 =
2. 2.456 + 29 =
3. 3.Best estimate of 102 × 7? (a) 7000 (b) 70 (c) 700 (d) 1400
4. 4.₹60.90 − ₹12.90 =
5. 5.16 × 15 =
6. 6.57 + 48 + 89 + 38 =
7. 7.14 × 13 =
8. 8.₹48.55 + ₹34.15 =
9. 9.5% of 430 =
10. 10.59 × 50 =
11. 11.51² =
12. 12.93 × 50 =
13. 13.1% of 740 =
14. 14.₹99.95 − ₹24.75 =
15. 15.16 × 17 =
16. 16.9 × 15 =
17. 17.143 × 4 =
18. 18.23 + 67 + 38 + 35 =
19. 19.2 + 6 + 4 + 6 + 4 =
20. 20.138 + 58 =
21. 21.485 ÷ 5 =
22. 22.₹55.40 − ₹5.80 =
23. 23.7 + 1 + 3 + 9 =
24. 24.17 × 14 =
25. 25.61 × 15 =
26. 26.87 × 5 =
27. 27.89 − 58 =
28. 28.Check with nines: 160 + 675 = 835. Correct or wrong? (a) wrong (b) correct
29. 29.4 + 9 + 5 + 3 + 7 =
30. 30.₹11.60 + ₹42.35 =
31. 31.Check with nines: 98 × 94 = 9212. Correct or wrong? (a) correct (b) wrong
32. 32.₹56.60 − ₹8.10 =
33. 33.Check with nines: 72 × 77 = 5544. Correct or wrong? (a) wrong (b) correct
34. 34.83 × 4 =
35. 35.59² =
36. 36.385 + 57 =
37. 37.23 × 50 =
38. 38.700 ÷ 50 =
39. 39.7 + 3 + 7 + 2 =
40. 40.Check with nines: 64 × 65 = 4166. Correct or wrong? (a) wrong (b) correct

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