Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 517 · 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.Best estimate of 397 × 5? (a) 2000 (b) 4000 (c) 20000 (d) 200
2. 2.15 × 16 =
3. 3.286 + 37 =
4. 4.505 ÷ 5 =
5. 5.124 × 4 =
6. 6.15 × 8 =
7. 7.11 × 16 =
8. 8.25% of 510 =
9. 9.85 × 50 =
10. 10.33 × 15 =
11. 11.17 × 11 =
12. 12.42 × 4 =
13. 13.53 + 55 + 56 + 30 =
14. 14.15% of 60 =
15. 15.51² =
16. 16.93 × 50 =
17. 17.190 + 28 =
18. 18.Check with nines: 121 + 630 = 751. Correct or wrong? (a) wrong (b) correct
19. 19.₹43.45 − ₹20.50 =
20. 20.423 − 77 =
21. 21.14 × 14 =
22. 22.51² =
23. 23.17 × 12 =
24. 24.160 + 37 =
25. 25.25 × 4 =
26. 26.Check with nines: 36 × 72 = 2592. Correct or wrong? (a) wrong (b) correct
27. 27.69 + 49 =
28. 28.330 ÷ 5 =
29. 29.Check with nines: 20 × 72 = 1442. Correct or wrong? (a) wrong (b) correct
30. 30.13 × 13 =
31. 31.24 × 8 =
32. 32.440 − 28 =
33. 33.375 ÷ 5 =
34. 34.2 + 5 + 4 + 1 + 9 =
35. 35.Check with nines: 58 × 22 = 1276. Correct or wrong? (a) wrong (b) correct
36. 36.Best estimate of 49 × 62? (a) 3000 (b) 300 (c) 6000 (d) 30000
37. 37.56 + 64 + 44 + 57 =
38. 38.15% of 730 =
39. 39.58 × 4 =
40. 40.28 + 17 + 44 + 69 =

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths