Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 742 · 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. 1.2 + 8 + 1 + 8 + 3 =
2. 2.376 + 18 =
3. 3.82 + 26 + 71 + 61 =
4. 4.12 × 12 =
5. 5.69² =
6. 6.168 − 87 =
7. 7.49 × 15 =
8. 8.51 × 15 =
9. 9.Check with nines: 49 × 71 = 3479. Correct or wrong? (a) correct (b) wrong
10. 10.68 × 8 =
11. 11.Check with nines: 18 × 95 = 1706. Correct or wrong? (a) correct (b) wrong
12. 12.375 ÷ 25 =
13. 13.Best estimate of 69 × 51? (a) 7000 (b) 350 (c) 3500 (d) 35000
14. 14.4 + 5 + 6 + 4 =
15. 15.₹33.70 + ₹17.55 =
16. 16.39 + 20 + 74 + 75 =
17. 17.270 ÷ 5 =
18. 18.25% of 320 =
19. 19.₹94.65 + ₹13.70 =
20. 20.35 × 5 =
21. 21.296 − 98 =
22. 22.17 × 11 =
23. 23.144 + 98 =
24. 24.96 − 49 =
25. 25.₹43.70 − ₹39.65 =
26. 26.1% of 650 =
27. 27.46 + 49 =
28. 28.38 × 15 =
29. 29.122 + 37 =
30. 30.₹30.35 − ₹23.30 =
31. 31.Check with nines: 587 + 182 = 769. Correct or wrong? (a) wrong (b) correct
32. 32.5 + 9 + 5 + 5 =
33. 33.700 ÷ 50 =
34. 34.Best estimate of 302 × 5? (a) 150 (b) 15000 (c) 1500 (d) 3000
35. 35.461 + 18 =
36. 36.32 + 78 + 29 + 22 =
37. 37.64 × 8 =
38. 38.456 − 69 =
39. 39.Check with nines: 883 + 572 = 1455. Correct or wrong? (a) wrong (b) correct
40. 40.26 × 15 =

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