Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 699 · 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.Best estimate of 602 × 8? (a) 4800 (b) 480 (c) 9600 (d) 48000
2. 2.495 + 29 =
3. 3.19² =
4. 4.193 + 38 =
5. 5.295 + 19 =
6. 6.45 × 5 =
7. 7.5 + 7 + 5 + 4 =
8. 8.Best estimate of 602 × 6? (a) 7200 (b) 3600 (c) 36000 (d) 360
9. 9.Check with nines: 966 + 725 = 1699. Correct or wrong? (a) wrong (b) correct
10. 10.39² =
11. 11.Check with nines: 30 × 33 = 995. Correct or wrong? (a) correct (b) wrong
12. 12.23 × 15 =
13. 13.13 × 18 =
14. 14.5 + 3 + 7 + 3 =
15. 15.49 × 15 =
16. 16.Best estimate of 203 × 7? (a) 140 (b) 1400 (c) 14000 (d) 2800
17. 17.17 × 15 =
18. 18.38 × 15 =
19. 19.₹26.80 − ₹24.05 =
20. 20.1 + 1 + 7 + 3 =
21. 21.79² =
22. 22.10% of 700 =
23. 23.Best estimate of 31 × 71? (a) 4200 (b) 21000 (c) 210 (d) 2100
24. 24.329 − 57 =
25. 25.73 × 8 =
26. 26.19² =
27. 27.150 ÷ 25 =
28. 28.Check with nines: 887 + 508 = 1391. Correct or wrong? (a) correct (b) wrong
29. 29.1950 ÷ 50 =
30. 30.17 × 13 =
31. 31.185 + 17 =
32. 32.357 + 17 =
33. 33.48 × 15 =
34. 34.₹19.05 + ₹38.30 =
35. 35.62 + 72 + 68 + 24 =
36. 36.₹32.80 − ₹19.30 =
37. 37.21 + 20 + 11 + 33 =
38. 38.1400 ÷ 25 =
39. 39.150 − 36 =
40. 40.Check with nines: 310 + 330 = 640. Correct or wrong? (a) correct (b) wrong

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