Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 258 · 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. 1.1% of 560 =
2. 2.Check with nines: 605 + 918 = 1527. Correct or wrong? (a) wrong (b) correct
3. 3.429 + 59 =
4. 4.12 × 17 =
5. 5.100 − 37 =
6. 6.390 + 69 =
7. 7.100 ÷ 25 =
8. 8.8 + 2 + 1 + 2 =
9. 9.18 × 11 =
10. 10.34 × 15 =
11. 11.Best estimate of 51 × 59? (a) 6000 (b) 300 (c) 3000 (d) 30000
12. 12.₹31.65 + ₹27.65 =
13. 13.12 × 17 =
14. 14.Best estimate of 79 × 71? (a) 56000 (b) 560 (c) 11200 (d) 5600
15. 15.Check with nines: 644 + 568 = 1212. Correct or wrong? (a) correct (b) wrong
16. 16.45 × 15 =
17. 17.17 × 8 =
18. 18.1% of 620 =
19. 19.37 + 39 + 89 + 23 =
20. 20.Check with nines: 277 + 379 = 656. Correct or wrong? (a) correct (b) wrong
21. 21.19 × 15 =
22. 22.54 × 4 =
23. 23.55 × 8 =
24. 24.24 × 4 =
25. 25.27 + 14 + 76 + 54 =
26. 26.13 × 13 =
27. 27.187 − 19 =
28. 28.₹7.85 + ₹31.55 =
29. 29.61² =
30. 30.209 + 57 =
31. 31.53 × 15 =
32. 32.Check with nines: 31 × 48 = 1488. Correct or wrong? (a) wrong (b) correct
33. 33.Check with nines: 680 + 171 = 851. Correct or wrong? (a) correct (b) wrong
34. 34.5 + 8 + 3 + 4 + 6 =
35. 35.Check with nines: 938 + 304 = 1242. Correct or wrong? (a) wrong (b) correct
36. 36.21 + 23 + 43 + 89 =
37. 37.₹19.05 − ₹16.25 =
38. 38.495 − 77 =
39. 39.19 × 11 =
40. 40.₹60.35 − ₹3.75 =

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