Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 843 · 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.₹51.20 + ₹37.60 =
2. 2.₹92.25 + ₹12.70 =
3. 3.15% of 900 =
4. 4.10% of 810 =
5. 5.274 − 68 =
6. 6.52 × 15 =
7. 7.5 + 8 + 6 + 4 + 3 =
8. 8.15% of 470 =
9. 9.66 × 8 =
10. 10.20 × 15 =
11. 11.₹49.05 − ₹16.30 =
12. 12.₹19.90 + ₹45.10 =
13. 13.Best estimate of 42 × 58? (a) 240 (b) 2400 (c) 24000 (d) 4800
14. 14.1175 ÷ 25 =
15. 15.15% of 390 =
16. 16.Check with nines: 65 × 35 = 2269. Correct or wrong? (a) correct (b) wrong
17. 17.79 + 70 + 28 + 55 =
18. 18.11 × 11 =
19. 19.11 × 12 =
20. 20.446 + 18 =
21. 21.325 ÷ 5 =
22. 22.70 × 4 =
23. 23.19 × 11 =
24. 24.370 ÷ 5 =
25. 25.19 × 15 =
26. 26.50% of 70 =
27. 27.₹14.25 + ₹10.05 =
28. 28.9 + 2 + 4 + 5 + 8 =
29. 29.19 × 19 =
30. 30.Check with nines: 54 × 86 = 4650. Correct or wrong? (a) wrong (b) correct
31. 31.Best estimate of 81 × 51? (a) 400 (b) 40000 (c) 8000 (d) 4000
32. 32.256 + 29 =
33. 33.Best estimate of 42 × 38? (a) 1600 (b) 160 (c) 16000 (d) 3200
34. 34.7 × 15 =
35. 35.Check with nines: 317 + 710 = 1027. Correct or wrong? (a) correct (b) wrong
36. 36.20 × 5 =
37. 37.39 + 61 + 75 + 61 =
38. 38.Best estimate of 901 × 5? (a) 9000 (b) 45000 (c) 450 (d) 4500
39. 39.61² =
40. 40.5% of 680 =

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