Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 969 · 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. 1.675 ÷ 5 =
2. 2.₹78.65 − ₹16.10 =
3. 3.410 + 87 =
4. 4.78 + 71 + 83 + 88 =
5. 5.₹61.65 + ₹24.45 =
6. 6.18 × 15 =
7. 7.74 × 8 =
8. 8.38 × 8 =
9. 9.15% of 550 =
10. 10.7 + 3 + 6 + 9 + 3 =
11. 11.260 + 27 =
12. 12.27 + 20 + 21 + 35 =
13. 13.₹69.95 − ₹45.25 =
14. 14.16 × 50 =
15. 15.15% of 40 =
16. 16.31² =
17. 17.7 + 3 + 3 + 3 =
18. 18.7 + 1 + 8 + 3 =
19. 19.7 + 6 + 4 + 5 =
20. 20.₹66.10 − ₹48.75 =
21. 21.Best estimate of 92 × 48? (a) 45000 (b) 9000 (c) 4500 (d) 450
22. 22.53 + 29 + 14 + 50 =
23. 23.45 + 16 + 30 + 17 =
24. 24.₹69.25 − ₹38.50 =
25. 25.5% of 690 =
26. 26.12 × 15 =
27. 27.25 + 50 + 36 + 28 =
28. 28.Check with nines: 40 × 18 = 718. Correct or wrong? (a) correct (b) wrong
29. 29.₹65.50 + ₹17.60 =
30. 30.11 × 15 =
31. 31.Check with nines: 76 × 16 = 1209. Correct or wrong? (a) wrong (b) correct
32. 32.Best estimate of 298 × 3? (a) 90 (b) 1800 (c) 900 (d) 9000
33. 33.284 − 16 =
34. 34.Check with nines: 70 × 17 = 1190. Correct or wrong? (a) correct (b) wrong
35. 35.31² =
36. 36.156 − 67 =
37. 37.16 + 29 + 83 + 55 =
38. 38.₹32.15 − ₹2.20 =
39. 39.2 + 8 + 8 + 8 + 8 =
40. 40.19² =

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