Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 702 · 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. 1.9 + 1 + 6 + 2 =
2. 2.Best estimate of 81 × 52? (a) 8000 (b) 400 (c) 40000 (d) 4000
3. 3.25% of 360 =
4. 4.86 + 68 =
5. 5.43 × 8 =
6. 6.24 × 5 =
7. 7.29² =
8. 8.11 × 13 =
9. 9.2 + 9 + 4 + 1 =
10. 10.Best estimate of 403 × 8? (a) 3200 (b) 6400 (c) 32000 (d) 320
11. 11.55 × 50 =
12. 12.₹94.70 − ₹7.95 =
13. 13.76 × 5 =
14. 14.69 + 11 + 32 + 34 =
15. 15.468 + 97 =
16. 16.89² =
17. 17.Check with nines: 294 + 618 = 912. Correct or wrong? (a) correct (b) wrong
18. 18.₹52.10 − ₹27.35 =
19. 19.397 + 29 =
20. 20.322 + 47 =
21. 21.322 + 77 =
22. 22.Best estimate of 28 × 48? (a) 3000 (b) 15000 (c) 150 (d) 1500
23. 23.₹93.30 + ₹16.80 =
24. 24.150 ÷ 25 =
25. 25.₹64.30 − ₹22.40 =
26. 26.12 × 13 =
27. 27.₹59.60 − ₹22.05 =
28. 28.Check with nines: 932 + 589 = 1521. Correct or wrong? (a) wrong (b) correct
29. 29.Check with nines: 249 + 243 = 492. Correct or wrong? (a) wrong (b) correct
30. 30.4 + 8 + 8 + 6 =
31. 31.38 × 15 =
32. 32.67 × 8 =
33. 33.125 × 4 =
34. 34.14 × 15 =
35. 35.150 × 4 =
36. 36.₹74.75 + ₹27.50 =
37. 37.419 − 29 =
38. 38.67 + 21 + 34 + 40 =
39. 39.Check with nines: 577 + 654 = 1231. Correct or wrong? (a) wrong (b) correct
40. 40.114 + 77 =

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