Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 962 · 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 + 1 + 6 + 3 + 4 =
2. 2.Best estimate of 59 × 28? (a) 18000 (b) 1800 (c) 3600 (d) 180
3. 3.203 + 29 =
4. 4.20% of 400 =
5. 5.40 × 8 =
6. 6.31 × 4 =
7. 7.4 + 3 + 1 + 6 + 6 =
8. 8.562 − 29 =
9. 9.50% of 120 =
10. 10.69² =
11. 11.₹42.40 − ₹41.20 =
12. 12.Check with nines: 423 + 826 = 1249. Correct or wrong? (a) wrong (b) correct
13. 13.3 + 7 + 8 + 5 =
14. 14.91² =
15. 15.81² =
16. 16.21² =
17. 17.₹88.55 + ₹41.95 =
18. 18.Check with nines: 76 × 65 = 4945. Correct or wrong? (a) correct (b) wrong
19. 19.64 × 15 =
20. 20.1600 ÷ 50 =
21. 21.₹28.15 − ₹15.75 =
22. 22.₹9.70 + ₹14.95 =
23. 23.1400 ÷ 25 =
24. 24.5 × 15 =
25. 25.₹12.55 + ₹42.50 =
26. 26.74 × 50 =
27. 27.77 + 17 =
28. 28.84 × 50 =
29. 29.15% of 190 =
30. 30.70 × 4 =
31. 31.Check with nines: 718 + 235 = 953. Correct or wrong? (a) wrong (b) correct
32. 32.Best estimate of 797 × 4? (a) 320 (b) 6400 (c) 3200 (d) 32000
33. 33.Best estimate of 897 × 5? (a) 45000 (b) 450 (c) 9000 (d) 4500
34. 34.5% of 280 =
35. 35.265 + 17 =
36. 36.1425 ÷ 25 =
37. 37.1800 ÷ 50 =
38. 38.Check with nines: 76 × 80 = 6078. Correct or wrong? (a) correct (b) wrong
39. 39.41² =
40. 40.11 × 14 =

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