Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 185 · 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. 1.111 × 4 =
2. 2.83 × 50 =
3. 3.33 + 70 + 20 + 57 =
4. 4.39² =
5. 5.175 ÷ 5 =
6. 6.35 × 15 =
7. 7.168 − 57 =
8. 8.10% of 660 =
9. 9.₹55.20 − ₹37.35 =
10. 10.₹39.10 − ₹10.15 =
11. 11.83 + 77 + 29 + 39 =
12. 12.1% of 350 =
13. 13.250 ÷ 25 =
14. 14.528 − 86 =
15. 15.91² =
16. 16.13 × 18 =
17. 17.290 − 49 =
18. 18.15 × 14 =
19. 19.Check with nines: 996 + 230 = 1232. Correct or wrong? (a) wrong (b) correct
20. 20.9 + 3 + 1 + 1 =
21. 21.Best estimate of 19 × 82? (a) 160 (b) 3200 (c) 1600 (d) 16000
22. 22.39² =
23. 23.1800 ÷ 50 =
24. 24.Best estimate of 299 × 3? (a) 90 (b) 1800 (c) 9000 (d) 900
25. 25.Best estimate of 303 × 8? (a) 240 (b) 2400 (c) 24000 (d) 4800
26. 26.₹80.70 − ₹20.75 =
27. 27.Check with nines: 13 × 18 = 226. Correct or wrong? (a) wrong (b) correct
28. 28.4 + 8 + 2 + 6 + 5 =
29. 29.Check with nines: 29 × 83 = 2407. Correct or wrong? (a) correct (b) wrong
30. 30.5 + 6 + 8 + 5 =
31. 31.3 + 7 + 5 + 7 + 5 =
32. 32.15% of 780 =
33. 33.8 + 1 + 3 + 2 + 7 =
34. 34.281 − 67 =
35. 35.1400 ÷ 25 =
36. 36.42 × 8 =
37. 37.16 + 28 + 72 + 87 =
38. 38.13 × 11 =
39. 39.675 ÷ 25 =
40. 40.174 − 47 =

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