Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 94 · 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 802 × 5? (a) 400 (b) 8000 (c) 4000 (d) 40000
2. 2.60 × 8 =
3. 3.Check with nines: 868 + 347 = 1215. Correct or wrong? (a) wrong (b) correct
4. 4.21 × 50 =
5. 5.900 ÷ 50 =
6. 6.₹31.45 + ₹7.65 =
7. 7.98 × 5 =
8. 8.16 × 13 =
9. 9.₹81.95 − ₹18.25 =
10. 10.4 + 5 + 1 + 5 + 7 =
11. 11.Check with nines: 53 × 80 = 4240. Correct or wrong? (a) correct (b) wrong
12. 12.31² =
13. 13.20% of 80 =
14. 14.313 + 59 =
15. 15.84 + 44 + 88 + 83 =
16. 16.135 ÷ 5 =
17. 17.264 − 98 =
18. 18.Best estimate of 29 × 61? (a) 1800 (b) 180 (c) 18000 (d) 3600
19. 19.Check with nines: 222 + 671 = 893. Correct or wrong? (a) wrong (b) correct
20. 20.6 + 9 + 1 + 4 =
21. 21.₹98.30 − ₹12.20 =
22. 22.49 × 50 =
23. 23.1 + 4 + 6 + 9 =
24. 24.269 + 49 =
25. 25.123 + 27 =
26. 26.100 × 4 =
27. 27.8 + 4 + 7 + 6 + 8 =
28. 28.25% of 290 =
29. 29.81 + 21 + 64 + 83 =
30. 30.59² =
31. 31.27 × 4 =
32. 32.488 + 69 =
33. 33.Check with nines: 57 × 25 = 1425. Correct or wrong? (a) correct (b) wrong
34. 34.925 ÷ 5 =
35. 35.8 × 15 =
36. 36.13 × 14 =
37. 37.79² =
38. 38.160 − 26 =
39. 39.342 + 68 =
40. 40.50% of 720 =

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