Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 762 · 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.Best estimate of 199 × 8? (a) 3200 (b) 1600 (c) 16000 (d) 160
2. 2.49 × 15 =
3. 3.Check with nines: 46 × 19 = 874. Correct or wrong? (a) correct (b) wrong
4. 4.1 + 8 + 6 + 5 + 5 =
5. 5.82 + 37 =
6. 6.1150 ÷ 25 =
7. 7.8 + 3 + 8 + 2 =
8. 8.63 × 8 =
9. 9.Best estimate of 52 × 92? (a) 450 (b) 9000 (c) 4500 (d) 45000
10. 10.89² =
11. 11.196 + 47 =
12. 12.59² =
13. 13.180 + 57 =
14. 14.₹61.10 + ₹48.15 =
15. 15.61 + 34 + 11 + 27 =
16. 16.12 × 5 =
17. 17.29 × 15 =
18. 18.19 × 19 =
19. 19.20% of 890 =
20. 20.49² =
21. 21.Best estimate of 18 × 21? (a) 4000 (b) 400 (c) 800 (d) 40
22. 22.71² =
23. 23.Best estimate of 48 × 79? (a) 400 (b) 4000 (c) 8000 (d) 40000
24. 24.Best estimate of 598 × 9? (a) 54000 (b) 540 (c) 10800 (d) 5400
25. 25.₹99.50 − ₹47.30 =
26. 26.36 + 17 + 34 + 56 =
27. 27.14 × 11 =
28. 28.403 − 86 =
29. 29.69 × 4 =
30. 30.446 + 37 =
31. 31.186 + 67 =
32. 32.Check with nines: 62 × 14 = 868. Correct or wrong? (a) wrong (b) correct
33. 33.Check with nines: 614 + 636 = 1250. Correct or wrong? (a) wrong (b) correct
34. 34.Check with nines: 74 × 21 = 1554. Correct or wrong? (a) wrong (b) correct
35. 35.208 + 97 =
36. 36.591 − 19 =
37. 37.98 − 76 =
38. 38.₹35.60 − ₹12.30 =
39. 39.71 × 50 =
40. 40.5% of 320 =

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