Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 693 · 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.Check with nines: 92 × 32 = 2944. Correct or wrong? (a) wrong (b) correct
2. 2.1% of 510 =
3. 3.3 + 7 + 7 + 3 + 4 =
4. 4.25% of 320 =
5. 5.36 × 15 =
6. 6.6 + 2 + 4 + 5 + 7 =
7. 7.573 − 76 =
8. 8.80 + 20 + 26 + 21 =
9. 9.13 × 11 =
10. 10.52 + 65 + 58 + 43 =
11. 11.337 + 58 =
12. 12.29² =
13. 13.4 + 3 + 4 + 7 + 8 =
14. 14.439 + 37 =
15. 15.5% of 140 =
16. 16.126 − 16 =
17. 17.48 + 50 + 67 + 84 =
18. 18.₹43.45 − ₹27.80 =
19. 19.5 × 15 =
20. 20.525 ÷ 25 =
21. 21.Check with nines: 330 + 706 = 1034. Correct or wrong? (a) wrong (b) correct
22. 22.65 + 74 + 57 + 77 =
23. 23.86 × 5 =
24. 24.5% of 680 =
25. 25.33 + 59 + 85 + 17 =
26. 26.Check with nines: 13 × 61 = 793. Correct or wrong? (a) correct (b) wrong
27. 27.385 − 26 =
28. 28.16 × 14 =
29. 29.895 ÷ 5 =
30. 30.Check with nines: 41 × 59 = 2417. Correct or wrong? (a) wrong (b) correct
31. 31.135 × 4 =
32. 32.1125 ÷ 25 =
33. 33.63 × 50 =
34. 34.33 × 5 =
35. 35.7 × 15 =
36. 36.112 + 19 =
37. 37.5% of 770 =
38. 38.₹95.85 + ₹31.50 =
39. 39.Check with nines: 42 × 98 = 4110. Correct or wrong? (a) wrong (b) correct
40. 40.206 − 36 =

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