Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 366 · 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. 1.8 + 5 + 5 + 3 =
2. 2.Check with nines: 12 × 51 = 619. Correct or wrong? (a) wrong (b) correct
3. 3.110 − 97 =
4. 4.Best estimate of 301 × 5? (a) 3000 (b) 1500 (c) 15000 (d) 150
5. 5.7 × 15 =
6. 6.8 + 9 + 2 + 1 =
7. 7.189 − 68 =
8. 8.Best estimate of 397 × 6? (a) 240 (b) 2400 (c) 24000 (d) 4800
9. 9.Check with nines: 964 + 523 = 1491. Correct or wrong? (a) wrong (b) correct
10. 10.42 + 56 + 24 + 14 =
11. 11.15% of 700 =
12. 12.33 × 50 =
13. 13.Check with nines: 36 × 15 = 540. Correct or wrong? (a) correct (b) wrong
14. 14.125 − 16 =
15. 15.37 × 15 =
16. 16.30 + 74 + 58 + 16 =
17. 17.21² =
18. 18.34 × 15 =
19. 19.620 ÷ 5 =
20. 20.150 ÷ 50 =
21. 21.17 × 14 =
22. 22.79² =
23. 23.Best estimate of 202 × 9? (a) 18000 (b) 1800 (c) 180 (d) 3600
24. 24.17 × 19 =
25. 25.Check with nines: 293 + 819 = 1112. Correct or wrong? (a) wrong (b) correct
26. 26.Best estimate of 899 × 3? (a) 270 (b) 27000 (c) 5400 (d) 2700
27. 27.23 × 8 =
28. 28.32 × 4 =
29. 29.13 × 15 =
30. 30.₹47.15 − ₹28.35 =
31. 31.8 + 8 + 4 + 2 + 7 =
32. 32.20% of 730 =
33. 33.79² =
34. 34.1 + 7 + 3 + 3 + 3 =
35. 35.199 − 17 =
36. 36.₹11.15 + ₹6.35 =
37. 37.43 × 4 =
38. 38.Check with nines: 37 × 14 = 518. Correct or wrong? (a) wrong (b) correct
39. 39.13 × 17 =
40. 40.443 − 78 =

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