Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 971 · 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. 1.16 × 50 =
2. 2.₹16.05 + ₹13.15 =
3. 3.5% of 550 =
4. 4.10% of 440 =
5. 5.302 + 19 =
6. 6.95 + 47 =
7. 7.19 × 5 =
8. 8.₹35.50 − ₹22.95 =
9. 9.Check with nines: 18 × 62 = 1122. Correct or wrong? (a) wrong (b) correct
10. 10.59² =
11. 11.21 + 16 + 85 + 81 =
12. 12.₹98.45 + ₹4.20 =
13. 13.41² =
14. 14.50% of 140 =
15. 15.14 × 15 =
16. 16.Check with nines: 240 + 251 = 491. Correct or wrong? (a) wrong (b) correct
17. 17.33 + 20 + 18 + 20 =
18. 18.49 × 4 =
19. 19.₹45.10 − ₹5.15 =
20. 20.335 + 28 =
21. 21.91² =
22. 22.24 × 50 =
23. 23.97 × 50 =
24. 24.82 × 50 =
25. 25.59 × 50 =
26. 26.12 × 18 =
27. 27.7 + 2 + 1 + 9 =
28. 28.Check with nines: 799 + 779 = 1578. Correct or wrong? (a) wrong (b) correct
29. 29.Best estimate of 41 × 61? (a) 24000 (b) 240 (c) 4800 (d) 2400
30. 30.50% of 570 =
31. 31.74 × 5 =
32. 32.19² =
33. 33.583 − 19 =
34. 34.1% of 180 =
35. 35.232 − 67 =
36. 36.59² =
37. 37.Check with nines: 177 + 257 = 441. Correct or wrong? (a) wrong (b) correct
38. 38.470 ÷ 5 =
39. 39.3 + 4 + 6 + 4 =
40. 40.Best estimate of 902 × 6? (a) 54000 (b) 540 (c) 10800 (d) 5400

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