Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 884 · 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.₹60.90 + ₹5.60 =
2. 2.1% of 740 =
3. 3.21² =
4. 4.258 − 98 =
5. 5.8 + 9 + 1 + 1 + 4 =
6. 6.2 + 2 + 8 + 4 + 6 =
7. 7.16 × 4 =
8. 8.670 ÷ 5 =
9. 9.19² =
10. 10.Check with nines: 77 × 44 = 3388. Correct or wrong? (a) correct (b) wrong
11. 11.383 + 47 =
12. 12.227 + 77 =
13. 13.7 + 7 + 3 + 3 =
14. 14.70 + 60 + 43 + 22 =
15. 15.52 × 15 =
16. 16.Check with nines: 81 × 35 = 2835. Correct or wrong? (a) wrong (b) correct
17. 17.89² =
18. 18.Check with nines: 66 × 76 = 5016. Correct or wrong? (a) correct (b) wrong
19. 19.200 ÷ 25 =
20. 20.30 + 89 + 57 + 20 =
21. 21.Best estimate of 701 × 4? (a) 280 (b) 2800 (c) 5600 (d) 28000
22. 22.₹47.30 + ₹18.80 =
23. 23.66 × 5 =
24. 24.₹25.50 + ₹49.70 =
25. 25.₹44.30 + ₹15.65 =
26. 26.230 − 97 =
27. 27.11 × 13 =
28. 28.45 × 15 =
29. 29.₹20.05 + ₹28.10 =
30. 30.29² =
31. 31.6 × 15 =
32. 32.19 × 11 =
33. 33.895 ÷ 5 =
34. 34.150 ÷ 50 =
35. 35.Check with nines: 33 × 12 = 402. Correct or wrong? (a) correct (b) wrong
36. 36.1 + 2 + 2 + 8 =
37. 37.₹34.70 − ₹9.90 =
38. 38.175 ÷ 5 =
39. 39.13 × 16 =
40. 40.217 − 59 =

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