Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 2 · 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. 1.86 + 88 + 86 + 38 =
2. 2.59² =
3. 3.5 + 7 + 6 + 3 + 4 =
4. 4.24 + 57 + 64 + 45 =
5. 5.23 × 15 =
6. 6.54 + 49 =
7. 7.380 + 29 =
8. 8.71² =
9. 9.60 × 5 =
10. 10.65 ÷ 5 =
11. 11.425 − 26 =
12. 12.12 × 19 =
13. 13.24 + 74 + 29 + 56 =
14. 14.18 × 15 =
15. 15.Best estimate of 62 × 89? (a) 10800 (b) 54000 (c) 5400 (d) 540
16. 16.50% of 270 =
17. 17.14 × 50 =
18. 18.700 ÷ 50 =
19. 19.319 − 48 =
20. 20.650 ÷ 50 =
21. 21.12 × 17 =
22. 22.174 + 27 =
23. 23.22 × 8 =
24. 24.50% of 200 =
25. 25.Check with nines: 76 × 44 = 3344. Correct or wrong? (a) wrong (b) correct
26. 26.336 + 29 =
27. 27.₹80.35 − ₹37.40 =
28. 28.292 + 87 =
29. 29.149 × 4 =
30. 30.Best estimate of 598 × 6? (a) 3600 (b) 36000 (c) 360 (d) 7200
31. 31.135 − 17 =
32. 32.5% of 720 =
33. 33.151 × 4 =
34. 34.Check with nines: 739 + 669 = 1411. Correct or wrong? (a) correct (b) wrong
35. 35.₹53.35 + ₹46.65 =
36. 36.4 + 1 + 2 + 6 =
37. 37.11 × 18 =
38. 38.31² =
39. 39.20% of 170 =
40. 40.60 × 5 =

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