Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 100 · 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.Check with nines: 94 × 23 = 2166. Correct or wrong? (a) wrong (b) correct
2. 2.Best estimate of 18 × 49? (a) 2000 (b) 100 (c) 1000 (d) 10000
3. 3.397 − 87 =
4. 4.20% of 280 =
5. 5.Check with nines: 69 × 62 = 4282. Correct or wrong? (a) correct (b) wrong
6. 6.1500 ÷ 50 =
7. 7.230 − 56 =
8. 8.506 − 17 =
9. 9.141 × 4 =
10. 10.3 + 8 + 7 + 5 =
11. 11.₹61.50 − ₹38.95 =
12. 12.1175 ÷ 25 =
13. 13.41 × 15 =
14. 14.150 ÷ 25 =
15. 15.117 − 47 =
16. 16.29² =
17. 17.9 + 1 + 1 + 2 =
18. 18.60 + 62 + 18 + 39 =
19. 19.71 × 5 =
20. 20.1% of 480 =
21. 21.500 ÷ 50 =
22. 22.525 ÷ 25 =
23. 23.900 ÷ 25 =
24. 24.446 − 38 =
25. 25.₹21.75 − ₹20.05 =
26. 26.56 + 70 + 27 + 30 =
27. 27.19² =
28. 28.153 + 57 =
29. 29.39² =
30. 30.55 × 50 =
31. 31.51² =
32. 32.59² =
33. 33.18 × 13 =
34. 34.Check with nines: 42 × 56 = 2353. Correct or wrong? (a) correct (b) wrong
35. 35.Best estimate of 202 × 9? (a) 180 (b) 18000 (c) 1800 (d) 3600
36. 36.5 + 5 + 6 + 3 =
37. 37.81 + 85 + 42 + 81 =
38. 38.5 + 4 + 7 + 6 =
39. 39.Check with nines: 878 + 609 = 1495. Correct or wrong? (a) correct (b) wrong
40. 40.430 + 97 =

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