Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 388 · 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.₹34.05 + ₹32.10 =
2. 2.8 + 2 + 9 + 2 =
3. 3.475 ÷ 25 =
4. 4.24 × 15 =
5. 5.13 × 12 =
6. 6.593 − 69 =
7. 7.150 ÷ 5 =
8. 8.76 × 4 =
9. 9.334 − 16 =
10. 10.Check with nines: 121 + 245 = 364. Correct or wrong? (a) correct (b) wrong
11. 11.15 × 15 =
12. 12.87 × 50 =
13. 13.₹41.80 − ₹26.90 =
14. 14.8 + 6 + 1 + 1 + 9 =
15. 15.15 × 15 =
16. 16.₹29.80 + ₹38.75 =
17. 17.Check with nines: 15 × 18 = 270. Correct or wrong? (a) correct (b) wrong
18. 18.9 + 5 + 5 + 5 =
19. 19.Check with nines: 548 + 473 = 1021. Correct or wrong? (a) wrong (b) correct
20. 20.260 − 16 =
21. 21.330 + 59 =
22. 22.24 + 11 + 73 + 76 =
23. 23.79 × 4 =
24. 24.15 × 8 =
25. 25.17 × 14 =
26. 26.7 × 15 =
27. 27.530 ÷ 5 =
28. 28.₹26.60 − ₹25.20 =
29. 29.407 + 99 =
30. 30.70 × 50 =
31. 31.76 × 5 =
32. 32.Check with nines: 75 × 36 = 2700. Correct or wrong? (a) correct (b) wrong
33. 33.11 × 13 =
34. 34.16 + 29 + 75 + 81 =
35. 35.14 × 15 =
36. 36.40 + 68 + 12 + 66 =
37. 37.₹76.25 + ₹32.15 =
38. 38.68 × 8 =
39. 39.800 ÷ 50 =
40. 40.11 × 14 =

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