Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 846 · 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.Best estimate of 297 × 5? (a) 3000 (b) 1500 (c) 150 (d) 15000
2. 2.755 ÷ 5 =
3. 3.19² =
4. 4.1250 ÷ 50 =
5. 5.81² =
6. 6.16 × 11 =
7. 7.35 + 48 + 49 + 78 =
8. 8.59² =
9. 9.52 × 15 =
10. 10.15 × 11 =
11. 11.291 − 49 =
12. 12.Best estimate of 82 × 68? (a) 560 (b) 5600 (c) 56000 (d) 11200
13. 13.74 × 4 =
14. 14.2 + 9 + 4 + 1 =
15. 15.₹49.70 − ₹37.35 =
16. 16.46 × 50 =
17. 17.20% of 190 =
18. 18.25% of 880 =
19. 19.56 × 15 =
20. 20.8 + 7 + 2 + 2 =
21. 21.17 × 18 =
22. 22.47 × 15 =
23. 23.550 ÷ 50 =
24. 24.Check with nines: 78 × 67 = 5226. Correct or wrong? (a) wrong (b) correct
25. 25.Best estimate of 88 × 59? (a) 5400 (b) 10800 (c) 54000 (d) 540
26. 26.28 + 21 + 76 + 67 =
27. 27.1100 ÷ 25 =
28. 28.₹66.85 + ₹26.95 =
29. 29.489 + 18 =
30. 30.15% of 500 =
31. 31.Check with nines: 127 + 451 = 586. Correct or wrong? (a) wrong (b) correct
32. 32.59 × 15 =
33. 33.₹42.55 − ₹30.90 =
34. 34.3 + 1 + 3 + 2 + 7 =
35. 35.20% of 820 =
36. 36.590 ÷ 5 =
37. 37.402 − 27 =
38. 38.Best estimate of 29 × 31? (a) 9000 (b) 900 (c) 1800 (d) 90
39. 39.19 + 65 + 32 + 51 =
40. 40.20% of 420 =

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