Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 29 · 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.Check with nines: 542 + 137 = 685. Correct or wrong? (a) wrong (b) correct
2. 2.50% of 110 =
3. 3.925 ÷ 25 =
4. 4.Check with nines: 889 + 694 = 1591. Correct or wrong? (a) correct (b) wrong
5. 5.825 ÷ 25 =
6. 6.512 − 47 =
7. 7.750 ÷ 5 =
8. 8.178 − 86 =
9. 9.303 + 27 =
10. 10.25% of 810 =
11. 11.2 + 5 + 6 + 5 + 9 =
12. 12.129 × 4 =
13. 13.204 + 67 =
14. 14.35 × 5 =
15. 15.₹11.25 + ₹28.25 =
16. 16.50% of 620 =
17. 17.19 × 16 =
18. 18.19 × 14 =
19. 19.13 × 15 =
20. 20.₹79.15 + ₹13.80 =
21. 21.675 ÷ 25 =
22. 22.15% of 260 =
23. 23.Check with nines: 76 × 42 = 3192. Correct or wrong? (a) wrong (b) correct
24. 24.14 × 15 =
25. 25.Best estimate of 48 × 88? (a) 9000 (b) 4500 (c) 450 (d) 45000
26. 26.129 − 68 =
27. 27.89² =
28. 28.18 + 64 + 27 + 85 =
29. 29.Check with nines: 598 + 763 = 1361. Correct or wrong? (a) wrong (b) correct
30. 30.₹41.90 − ₹18.50 =
31. 31.237 − 87 =
32. 32.15 + 52 + 24 + 47 =
33. 33.450 ÷ 25 =
34. 34.1 + 3 + 4 + 6 + 1 =
35. 35.1100 ÷ 25 =
36. 36.69² =
37. 37.59 × 15 =
38. 38.94 × 5 =
39. 39.132 + 67 =
40. 40.37 × 15 =

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