Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 343 · 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. 1.27 × 4 =
2. 2.93 × 50 =
3. 3.190 ÷ 5 =
4. 4.33 + 60 + 70 + 44 =
5. 5.Check with nines: 778 + 637 = 1415. Correct or wrong? (a) wrong (b) correct
6. 6.17 × 12 =
7. 7.25 × 15 =
8. 8.54 × 15 =
9. 9.Check with nines: 561 + 812 = 1373. Correct or wrong? (a) wrong (b) correct
10. 10.₹25.10 + ₹38.50 =
11. 11.13 × 16 =
12. 12.111 − 97 =
13. 13.8 + 1 + 8 + 2 =
14. 14.240 ÷ 5 =
15. 15.496 + 19 =
16. 16.186 + 17 =
17. 17.20% of 330 =
18. 18.414 + 27 =
19. 19.Check with nines: 685 + 548 = 1233. Correct or wrong? (a) wrong (b) correct
20. 20.13 × 50 =
21. 21.₹96.80 − ₹45.60 =
22. 22.₹97.05 − ₹4.65 =
23. 23.Best estimate of 897 × 9? (a) 810 (b) 16200 (c) 81000 (d) 8100
24. 24.Best estimate of 497 × 7? (a) 350 (b) 7000 (c) 3500 (d) 35000
25. 25.17 × 8 =
26. 26.35 × 15 =
27. 27.22 × 4 =
28. 28.71 + 85 + 87 + 60 =
29. 29.89 × 50 =
30. 30.7 + 8 + 2 + 3 + 3 =
31. 31.30 × 15 =
32. 32.29² =
33. 33.207 − 76 =
34. 34.Best estimate of 499 × 4? (a) 4000 (b) 2000 (c) 200 (d) 20000
35. 35.7 + 5 + 6 + 6 + 3 =
36. 36.5% of 270 =
37. 37.4 + 7 + 5 + 3 + 1 =
38. 38.11 × 19 =
39. 39.128 × 4 =
40. 40.Check with nines: 58 × 56 = 3256. Correct or wrong? (a) correct (b) wrong

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