Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 791 · 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. 1.50 + 31 + 56 + 68 =
2. 2.975 ÷ 25 =
3. 3.15 × 13 =
4. 4.152 − 27 =
5. 5.Check with nines: 862 + 275 = 1132. Correct or wrong? (a) wrong (b) correct
6. 6.563 − 89 =
7. 7.Best estimate of 59 × 49? (a) 6000 (b) 30000 (c) 3000 (d) 300
8. 8.35 × 4 =
9. 9.14 × 13 =
10. 10.52 × 15 =
11. 11.Check with nines: 487 + 982 = 1468. Correct or wrong? (a) wrong (b) correct
12. 12.750 ÷ 25 =
13. 13.5 + 7 + 7 + 5 =
14. 14.35 × 15 =
15. 15.1000 ÷ 50 =
16. 16.61 × 5 =
17. 17.322 + 58 =
18. 18.1000 ÷ 50 =
19. 19.28 + 74 + 32 + 37 =
20. 20.56 + 49 + 65 + 61 =
21. 21.₹98.40 + ₹13.65 =
22. 22.22 × 15 =
23. 23.11 × 11 =
24. 24.31² =
25. 25.47 × 15 =
26. 26.Check with nines: 14 × 81 = 1134. Correct or wrong? (a) correct (b) wrong
27. 27.101 × 4 =
28. 28.31 × 15 =
29. 29.Check with nines: 616 + 748 = 1372. Correct or wrong? (a) correct (b) wrong
30. 30.1475 ÷ 25 =
31. 31.283 + 87 =
32. 32.18 × 13 =
33. 33.Best estimate of 702 × 9? (a) 12600 (b) 63000 (c) 630 (d) 6300
34. 34.31² =
35. 35.6 + 4 + 1 + 3 =
36. 36.₹69.35 − ₹27.35 =
37. 37.13 × 17 =
38. 38.500 ÷ 25 =
39. 39.85 × 4 =
40. 40.153 × 4 =

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