Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 867 · 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. 1.63 + 12 + 20 + 36 =
2. 2.31 × 15 =
3. 3.Best estimate of 102 × 3? (a) 3000 (b) 30 (c) 600 (d) 300
4. 4.350 ÷ 50 =
5. 5.₹78.20 + ₹14.30 =
6. 6.37 × 5 =
7. 7.10 × 15 =
8. 8.Check with nines: 42 × 47 = 1979. Correct or wrong? (a) wrong (b) correct
9. 9.64 + 79 + 40 + 49 =
10. 10.88 × 4 =
11. 11.36 × 5 =
12. 12.Best estimate of 202 × 4? (a) 8000 (b) 1600 (c) 80 (d) 800
13. 13.10% of 530 =
14. 14.2 + 8 + 8 + 8 =
15. 15.93 × 50 =
16. 16.Best estimate of 68 × 71? (a) 49000 (b) 4900 (c) 9800 (d) 490
17. 17.31² =
18. 18.18 × 8 =
19. 19.91 − 89 =
20. 20.19 × 15 =
21. 21.10% of 180 =
22. 22.83 + 59 + 61 + 69 =
23. 23.19 × 8 =
24. 24.₹80.25 − ₹10.10 =
25. 25.57 − 17 =
26. 26.Check with nines: 318 + 851 = 1172. Correct or wrong? (a) correct (b) wrong
27. 27.94 × 5 =
28. 28.10% of 710 =
29. 29.66 + 58 + 22 + 54 =
30. 30.253 + 59 =
31. 31.5 + 8 + 4 + 5 =
32. 32.25% of 760 =
33. 33.17 × 13 =
34. 34.97 × 50 =
35. 35.11 × 16 =
36. 36.27 + 19 =
37. 37.Check with nines: 270 + 163 = 433. Correct or wrong? (a) correct (b) wrong
38. 38.8 × 15 =
39. 39.43 × 4 =
40. 40.55 + 49 + 52 + 69 =

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