Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 227 · 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: 13 × 33 = 431. Correct or wrong? (a) wrong (b) correct
2. 2.3 + 7 + 1 + 1 =
3. 3.68 + 61 + 81 + 74 =
4. 4.750 ÷ 50 =
5. 5.67 × 5 =
6. 6.13 × 16 =
7. 7.Check with nines: 122 + 215 = 334. Correct or wrong? (a) wrong (b) correct
8. 8.₹87.95 + ₹40.95 =
9. 9.1 + 4 + 9 + 7 + 7 =
10. 10.Best estimate of 199 × 7? (a) 140 (b) 2800 (c) 14000 (d) 1400
11. 11.Check with nines: 691 + 423 = 1117. Correct or wrong? (a) correct (b) wrong
12. 12.9 + 1 + 8 + 4 + 1 =
13. 13.402 − 19 =
14. 14.Best estimate of 32 × 38? (a) 1200 (b) 120 (c) 12000 (d) 2400
15. 15.197 − 96 =
16. 16.13 × 18 =
17. 17.51² =
18. 18.950 ÷ 50 =
19. 19.16 × 13 =
20. 20.4 + 8 + 2 + 9 + 2 =
21. 21.28 × 15 =
22. 22.273 + 69 =
23. 23.195 − 88 =
24. 24.₹57.70 + ₹27.05 =
25. 25.41² =
26. 26.₹69.90 − ₹9.45 =
27. 27.155 − 46 =
28. 28.Check with nines: 29 × 65 = 1882. Correct or wrong? (a) wrong (b) correct
29. 29.1% of 500 =
30. 30.₹40.80 − ₹10.25 =
31. 31.19² =
32. 32.59 + 16 + 21 + 30 =
33. 33.7 + 2 + 5 + 5 =
34. 34.2 + 5 + 8 + 2 + 8 =
35. 35.46 × 15 =
36. 36.1600 ÷ 50 =
37. 37.31² =
38. 38.10% of 810 =
39. 39.266 − 59 =
40. 40.349 + 28 =

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