Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 142 · 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. 1.150 × 4 =
2. 2.600 ÷ 25 =
3. 3.466 − 36 =
4. 4.441 − 86 =
5. 5.Best estimate of 89 × 82? (a) 14400 (b) 7200 (c) 720 (d) 72000
6. 6.58 × 50 =
7. 7.8 + 5 + 2 + 6 =
8. 8.306 − 67 =
9. 9.Best estimate of 72 × 31? (a) 210 (b) 21000 (c) 4200 (d) 2100
10. 10.9 + 4 + 6 + 3 + 9 =
11. 11.98 × 4 =
12. 12.23 × 5 =
13. 13.Best estimate of 79 × 29? (a) 240 (b) 4800 (c) 2400 (d) 24000
14. 14.40 × 50 =
15. 15.17 × 4 =
16. 16.196 − 16 =
17. 17.26 × 5 =
18. 18.₹83.50 + ₹46.95 =
19. 19.11 × 11 =
20. 20.Best estimate of 89 × 49? (a) 45000 (b) 9000 (c) 4500 (d) 450
21. 21.150 ÷ 50 =
22. 22.1 + 1 + 5 + 2 + 9 =
23. 23.₹66.20 − ₹41.40 =
24. 24.11 × 12 =
25. 25.115 + 47 =
26. 26.10% of 830 =
27. 27.30 × 15 =
28. 28.24 × 5 =
29. 29.19 × 15 =
30. 30.56 + 61 + 38 + 44 =
31. 31.175 ÷ 25 =
32. 32.Best estimate of 901 × 3? (a) 27000 (b) 270 (c) 2700 (d) 5400
33. 33.320 ÷ 5 =
34. 34.52 × 4 =
35. 35.Best estimate of 51 × 72? (a) 3500 (b) 350 (c) 35000 (d) 7000
36. 36.₹60.60 + ₹33.30 =
37. 37.16 × 19 =
38. 38.71² =
39. 39.Best estimate of 39 × 42? (a) 16000 (b) 160 (c) 1600 (d) 3200
40. 40.975 ÷ 5 =

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