Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 829 · 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. 1.113 × 4 =
2. 2.416 + 98 =
3. 3.13 × 12 =
4. 4.92 × 5 =
5. 5.250 ÷ 25 =
6. 6.80 × 50 =
7. 7.30 × 5 =
8. 8.Check with nines: 372 + 965 = 1331. Correct or wrong? (a) wrong (b) correct
9. 9.Check with nines: 82 × 43 = 3519. Correct or wrong? (a) correct (b) wrong
10. 10.111 + 88 =
11. 11.Check with nines: 969 + 216 = 1192. Correct or wrong? (a) wrong (b) correct
12. 12.486 + 67 =
13. 13.45 × 50 =
14. 14.Check with nines: 167 + 665 = 832. Correct or wrong? (a) correct (b) wrong
15. 15.Best estimate of 201 × 4? (a) 1600 (b) 80 (c) 8000 (d) 800
16. 16.37 × 50 =
17. 17.391 − 38 =
18. 18.₹55.40 + ₹38.85 =
19. 19.69² =
20. 20.377 + 27 =
21. 21.1 + 9 + 6 + 2 + 6 =
22. 22.432 + 57 =
23. 23.₹32.45 + ₹7.75 =
24. 24.₹51.25 − ₹37.30 =
25. 25.1475 ÷ 25 =
26. 26.20 × 50 =
27. 27.143 × 4 =
28. 28.29² =
29. 29.25% of 900 =
30. 30.469 − 96 =
31. 31.8 × 15 =
32. 32.26 × 15 =
33. 33.6 + 7 + 3 + 2 + 5 =
34. 34.31 × 50 =
35. 35.3 + 6 + 7 + 9 =
36. 36.14 × 4 =
37. 37.66 + 49 + 42 + 50 =
38. 38.1350 ÷ 50 =
39. 39.Check with nines: 340 + 241 = 574. Correct or wrong? (a) wrong (b) correct
40. 40.1 + 5 + 5 + 3 =

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