Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 506 · 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. 1.46 × 4 =
2. 2.21² =
3. 3.₹87.35 + ₹6.05 =
4. 4.12 × 13 =
5. 5.185 − 99 =
6. 6.20% of 220 =
7. 7.Best estimate of 899 × 7? (a) 63000 (b) 12600 (c) 630 (d) 6300
8. 8.79 + 49 + 49 + 51 =
9. 9.16 × 13 =
10. 10.Check with nines: 631 + 201 = 831. Correct or wrong? (a) correct (b) wrong
11. 11.1% of 140 =
12. 12.352 − 89 =
13. 13.50% of 400 =
14. 14.497 + 97 =
15. 15.17 × 18 =
16. 16.79² =
17. 17.Best estimate of 497 × 3? (a) 150 (b) 15000 (c) 1500 (d) 3000
18. 18.₹91.30 − ₹2.60 =
19. 19.₹76.30 + ₹47.90 =
20. 20.500 − 76 =
21. 21.1550 ÷ 50 =
22. 22.16 + 26 + 34 + 31 =
23. 23.Best estimate of 303 × 9? (a) 5400 (b) 270 (c) 2700 (d) 27000
24. 24.31² =
25. 25.Check with nines: 91 × 75 = 6831. Correct or wrong? (a) correct (b) wrong
26. 26.265 − 88 =
27. 27.516 − 38 =
28. 28.38 × 5 =
29. 29.₹82.20 − ₹25.35 =
30. 30.600 ÷ 50 =
31. 31.96 × 5 =
32. 32.61² =
33. 33.₹83.85 − ₹8.20 =
34. 34.491 − 79 =
35. 35.5 + 3 + 6 + 3 + 7 =
36. 36.25% of 270 =
37. 37.39² =
38. 38.91² =
39. 39.₹24.75 + ₹40.80 =
40. 40.300 − 17 =

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