Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 495 · 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. 1.1550 ÷ 50 =
2. 2.Check with nines: 282 + 222 = 504. Correct or wrong? (a) correct (b) wrong
3. 3.41² =
4. 4.318 + 99 =
5. 5.146 + 29 =
6. 6.950 ÷ 25 =
7. 7.9 + 1 + 6 + 1 =
8. 8.26 + 27 + 83 + 61 =
9. 9.₹51.85 + ₹41.55 =
10. 10.240 + 99 =
11. 11.599 − 89 =
12. 12.59 × 8 =
13. 13.9 + 7 + 3 + 6 =
14. 14.62 × 15 =
15. 15.41² =
16. 16.11 × 12 =
17. 17.16 × 15 =
18. 18.91² =
19. 19.Check with nines: 164 + 530 = 694. Correct or wrong? (a) correct (b) wrong
20. 20.1650 ÷ 50 =
21. 21.Check with nines: 14 × 26 = 356. Correct or wrong? (a) correct (b) wrong
22. 22.13 + 84 + 82 + 34 =
23. 23.24 + 24 + 32 + 87 =
24. 24.51 × 5 =
25. 25.900 ÷ 50 =
26. 26.175 − 89 =
27. 27.21² =
28. 28.89² =
29. 29.3 + 2 + 5 + 6 + 8 =
30. 30.59 × 15 =
31. 31.Check with nines: 154 + 318 = 472. Correct or wrong? (a) correct (b) wrong
32. 32.105 − 77 =
33. 33.₹41.40 − ₹30.25 =
34. 34.1 + 6 + 4 + 3 =
35. 35.230 ÷ 5 =
36. 36.46 × 5 =
37. 37.Check with nines: 38 × 14 = 532. Correct or wrong? (a) wrong (b) correct
38. 38.10% of 900 =
39. 39.14 × 19 =
40. 40.4 + 6 + 1 + 5 + 6 =

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