Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 293 · 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. 1.59² =
2. 2.11 × 18 =
3. 3.31² =
4. 4.65 + 54 + 84 + 14 =
5. 5.₹36.75 − ₹11.80 =
6. 6.1 + 2 + 2 + 8 =
7. 7.415 ÷ 5 =
8. 8.Check with nines: 35 × 31 = 1090. Correct or wrong? (a) correct (b) wrong
9. 9.₹88.35 − ₹42.45 =
10. 10.29² =
11. 11.353 + 28 =
12. 12.₹55.25 + ₹43.50 =
13. 13.63 × 8 =
14. 14.51 × 50 =
15. 15.6 + 5 + 6 + 1 + 4 =
16. 16.1% of 860 =
17. 17.289 − 19 =
18. 18.366 + 27 =
19. 19.15% of 180 =
20. 20.18 × 5 =
21. 21.27 × 8 =
22. 22.252 + 88 =
23. 23.Best estimate of 199 × 6? (a) 12000 (b) 1200 (c) 120 (d) 2400
24. 24.271 + 27 =
25. 25.22 × 5 =
26. 26.13 × 13 =
27. 27.₹28.75 + ₹4.70 =
28. 28.91² =
29. 29.Check with nines: 197 + 571 = 768. Correct or wrong? (a) correct (b) wrong
30. 30.582 − 96 =
31. 31.5% of 270 =
32. 32.166 − 17 =
33. 33.66 + 62 + 59 + 89 =
34. 34.Check with nines: 877 + 324 = 1201. Correct or wrong? (a) correct (b) wrong
35. 35.81² =
36. 36.12 × 17 =
37. 37.292 + 77 =
38. 38.14 + 54 + 23 + 72 =
39. 39.13 × 15 =
40. 40.14 × 15 =

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