Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 886 · 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. 1.77 − 19 =
2. 2.Check with nines: 32 × 37 = 1180. Correct or wrong? (a) wrong (b) correct
3. 3.15 × 13 =
4. 4.14 × 50 =
5. 5.5% of 650 =
6. 6.Best estimate of 497 × 8? (a) 4000 (b) 40000 (c) 8000 (d) 400
7. 7.Best estimate of 59 × 38? (a) 24000 (b) 4800 (c) 240 (d) 2400
8. 8.5 + 5 + 3 + 4 =
9. 9.₹58.65 + ₹48.10 =
10. 10.62 × 15 =
11. 11.97 × 5 =
12. 12.1% of 760 =
13. 13.Best estimate of 301 × 9? (a) 5400 (b) 2700 (c) 27000 (d) 270
14. 14.Best estimate of 702 × 9? (a) 6300 (b) 630 (c) 63000 (d) 12600
15. 15.54 × 15 =
16. 16.35 + 75 + 34 + 38 =
17. 17.103 + 89 =
18. 18.475 − 16 =
19. 19.345 ÷ 5 =
20. 20.5% of 370 =
21. 21.Best estimate of 72 × 22? (a) 1400 (b) 2800 (c) 140 (d) 14000
22. 22.201 − 16 =
23. 23.5% of 30 =
24. 24.25% of 750 =
25. 25.123 − 86 =
26. 26.295 + 29 =
27. 27.127 + 27 =
28. 28.12 × 19 =
29. 29.₹63.85 + ₹35.15 =
30. 30.14 × 19 =
31. 31.16 × 18 =
32. 32.₹54.45 + ₹6.55 =
33. 33.680 ÷ 5 =
34. 34.200 + 88 =
35. 35.₹42.05 + ₹10.30 =
36. 36.9 + 2 + 8 + 8 =
37. 37.255 + 88 =
38. 38.Check with nines: 21 × 83 = 1743. Correct or wrong? (a) wrong (b) correct
39. 39.91 × 5 =
40. 40.86 × 5 =

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