Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 872 · 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. 1.1% of 40 =
2. 2.371 − 89 =
3. 3.22 × 15 =
4. 4.21² =
5. 5.59² =
6. 6.9 + 3 + 9 + 1 =
7. 7.Check with nines: 668 + 351 = 1018. Correct or wrong? (a) wrong (b) correct
8. 8.149 − 86 =
9. 9.53 × 5 =
10. 10.25 + 82 + 52 + 49 =
11. 11.175 ÷ 5 =
12. 12.19 × 15 =
13. 13.7 + 9 + 3 + 7 =
14. 14.253 − 37 =
15. 15.₹32.20 + ₹41.55 =
16. 16.25% of 260 =
17. 17.9 + 1 + 3 + 3 + 7 =
18. 18.19² =
19. 19.Check with nines: 58 × 76 = 4403. Correct or wrong? (a) correct (b) wrong
20. 20.24 + 15 + 36 + 80 =
21. 21.Best estimate of 702 × 4? (a) 280 (b) 28000 (c) 5600 (d) 2800
22. 22.₹90.25 − ₹26.35 =
23. 23.1425 ÷ 25 =
24. 24.61² =
25. 25.546 − 39 =
26. 26.18 × 15 =
27. 27.11 × 11 =
28. 28.20% of 250 =
29. 29.₹71.25 + ₹25.10 =
30. 30.Check with nines: 533 + 927 = 1461. Correct or wrong? (a) wrong (b) correct
31. 31.Check with nines: 459 + 188 = 647. Correct or wrong? (a) wrong (b) correct
32. 32.52 × 4 =
33. 33.40 + 76 + 87 + 43 =
34. 34.155 + 27 =
35. 35.326 − 57 =
36. 36.25 × 4 =
37. 37.71 + 88 + 63 + 33 =
38. 38.37 × 5 =
39. 39.Best estimate of 42 × 72? (a) 28000 (b) 5600 (c) 280 (d) 2800
40. 40.Best estimate of 798 × 7? (a) 56000 (b) 11200 (c) 560 (d) 5600

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