Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 52 · 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. 1.2 + 8 + 4 + 1 =
2. 2.89² =
3. 3.55 × 4 =
4. 4.57 × 8 =
5. 5.12 × 8 =
6. 6.39² =
7. 7.12 × 50 =
8. 8.31 × 8 =
9. 9.141 + 39 =
10. 10.10% of 680 =
11. 11.46 × 50 =
12. 12.800 ÷ 50 =
13. 13.17 × 13 =
14. 14.5% of 160 =
15. 15.64 × 8 =
16. 16.1200 ÷ 25 =
17. 17.25% of 890 =
18. 18.40 × 50 =
19. 19.4 + 2 + 3 + 8 =
20. 20.15% of 420 =
21. 21.675 ÷ 5 =
22. 22.Best estimate of 19 × 21? (a) 40 (b) 400 (c) 4000 (d) 800
23. 23.125 × 4 =
24. 24.1750 ÷ 50 =
25. 25.2 + 3 + 1 + 7 =
26. 26.12 × 14 =
27. 27.104 × 4 =
28. 28.Check with nines: 67 × 21 = 1411. Correct or wrong? (a) correct (b) wrong
29. 29.640 ÷ 5 =
30. 30.1900 ÷ 50 =
31. 31.22 + 11 + 54 + 77 =
32. 32.298 + 37 =
33. 33.11 × 18 =
34. 34.₹54.65 − ₹40.85 =
35. 35.3 + 4 + 6 + 5 + 9 =
36. 36.Best estimate of 101 × 5? (a) 5000 (b) 500 (c) 50 (d) 1000
37. 37.19 × 11 =
38. 38.Check with nines: 816 + 197 = 1007. Correct or wrong? (a) correct (b) wrong
39. 39.51 × 5 =
40. 40.Check with nines: 480 + 708 = 1188. Correct or wrong? (a) wrong (b) correct

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