Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 692 · 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. 1.5 + 5 + 9 + 5 =
2. 2.Check with nines: 878 + 377 = 1261. Correct or wrong? (a) correct (b) wrong
3. 3.13 + 82 + 58 + 21 =
4. 4.17 × 12 =
5. 5.20 × 15 =
6. 6.₹52.15 + ₹20.35 =
7. 7.483 − 98 =
8. 8.37 + 41 + 76 + 58 =
9. 9.1250 ÷ 50 =
10. 10.₹65.80 − ₹18.35 =
11. 11.158 × 4 =
12. 12.50 + 59 + 48 + 60 =
13. 13.6 + 2 + 8 + 4 =
14. 14.27 + 22 + 83 + 15 =
15. 15.29² =
16. 16.18 × 15 =
17. 17.3 + 1 + 5 + 5 + 6 =
18. 18.6 + 1 + 4 + 7 =
19. 19.1% of 30 =
20. 20.Best estimate of 91 × 59? (a) 54000 (b) 540 (c) 5400 (d) 10800
21. 21.15 × 11 =
22. 22.21² =
23. 23.29² =
24. 24.71² =
25. 25.445 − 28 =
26. 26.161 − 79 =
27. 27.8 + 2 + 1 + 5 + 9 =
28. 28.33 × 15 =
29. 29.Check with nines: 84 × 54 = 4540. Correct or wrong? (a) correct (b) wrong
30. 30.406 + 97 =
31. 31.Best estimate of 31 × 41? (a) 1200 (b) 120 (c) 12000 (d) 2400
32. 32.Best estimate of 801 × 4? (a) 6400 (b) 320 (c) 3200 (d) 32000
33. 33.395 + 49 =
34. 34.225 ÷ 5 =
35. 35.13 × 13 =
36. 36.14 × 11 =
37. 37.20% of 180 =
38. 38.15 × 50 =
39. 39.28 + 27 + 62 + 61 =
40. 40.7 + 7 + 3 + 5 =

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