Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 217 · 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.₹44.75 + ₹14.20 =
2. 2.20 × 50 =
3. 3.59 × 8 =
4. 4.1550 ÷ 50 =
5. 5.63 × 15 =
6. 6.Check with nines: 39 × 25 = 974. Correct or wrong? (a) wrong (b) correct
7. 7.Check with nines: 62 × 22 = 1364. Correct or wrong? (a) wrong (b) correct
8. 8.₹45.20 + ₹40.90 =
9. 9.Best estimate of 98 × 3? (a) 300 (b) 600 (c) 30 (d) 3000
10. 10.37 × 50 =
11. 11.170 + 37 =
12. 12.59² =
13. 13.7 + 7 + 3 + 1 =
14. 14.₹68.05 − ₹2.85 =
15. 15.₹70.05 − ₹7.15 =
16. 16.1500 ÷ 50 =
17. 17.₹87.45 − ₹15.30 =
18. 18.18 × 11 =
19. 19.39 + 50 + 68 + 53 =
20. 20.406 + 27 =
21. 21.13 × 5 =
22. 22.515 ÷ 5 =
23. 23.506 − 18 =
24. 24.95 ÷ 5 =
25. 25.Check with nines: 920 + 182 = 1102. Correct or wrong? (a) correct (b) wrong
26. 26.225 ÷ 25 =
27. 27.589 − 58 =
28. 28.20 + 23 + 84 + 33 =
29. 29.1 + 4 + 9 + 7 =
30. 30.Best estimate of 899 × 4? (a) 36000 (b) 3600 (c) 7200 (d) 360
31. 31.49² =
32. 32.₹14.25 + ₹4.45 =
33. 33.13 × 50 =
34. 34.25 × 4 =
35. 35.Best estimate of 598 × 7? (a) 4200 (b) 8400 (c) 420 (d) 42000
36. 36.7 + 2 + 3 + 5 =
37. 37.28 + 29 + 74 + 28 =
38. 38.324 + 27 =
39. 39.Check with nines: 37 × 17 = 636. Correct or wrong? (a) wrong (b) correct
40. 40.63 + 11 + 39 + 24 =

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