Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 243 · 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. 1.800 ÷ 5 =
2. 2.11 × 13 =
3. 3.19 × 50 =
4. 4.214 − 27 =
5. 5.54 + 87 + 32 + 38 =
6. 6.414 + 59 =
7. 7.72 × 8 =
8. 8.125 + 38 =
9. 9.₹5.05 − ₹2.25 =
10. 10.₹39.80 − ₹15.40 =
11. 11.59² =
12. 12.5 + 2 + 9 + 5 =
13. 13.18 + 64 + 54 + 47 =
14. 14.46 × 15 =
15. 15.158 × 4 =
16. 16.504 − 79 =
17. 17.38 + 35 + 45 + 20 =
18. 18.50 × 4 =
19. 19.Check with nines: 771 + 163 = 934. Correct or wrong? (a) correct (b) wrong
20. 20.6 × 15 =
21. 21.50% of 190 =
22. 22.36 + 44 + 29 + 29 =
23. 23.Best estimate of 703 × 5? (a) 7000 (b) 3500 (c) 350 (d) 35000
24. 24.175 ÷ 25 =
25. 25.54 × 15 =
26. 26.Check with nines: 664 + 178 = 842. Correct or wrong? (a) correct (b) wrong
27. 27.92 + 69 =
28. 28.8 + 6 + 3 + 7 =
29. 29.17 + 40 + 74 + 80 =
30. 30.34 + 34 + 23 + 60 =
31. 31.10% of 760 =
32. 32.Best estimate of 103 × 4? (a) 4000 (b) 400 (c) 40 (d) 800
33. 33.4 + 5 + 6 + 5 =
34. 34.35 + 52 + 45 + 81 =
35. 35.121 + 28 =
36. 36.₹67.05 + ₹5.75 =
37. 37.20% of 840 =
38. 38.Best estimate of 601 × 8? (a) 9600 (b) 48000 (c) 4800 (d) 480
39. 39.368 + 19 =
40. 40.98 + 97 =

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