Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 720 · 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. 1.287 + 38 =
2. 2.18 × 15 =
3. 3.77 × 4 =
4. 4.₹73.35 + ₹29.10 =
5. 5.Check with nines: 75 × 37 = 2782. Correct or wrong? (a) wrong (b) correct
6. 6.129 + 59 =
7. 7.Best estimate of 302 × 9? (a) 5400 (b) 27000 (c) 270 (d) 2700
8. 8.27 + 69 + 13 + 89 =
9. 9.1200 ÷ 50 =
10. 10.5% of 800 =
11. 11.69 × 4 =
12. 12.59² =
13. 13.Check with nines: 33 × 54 = 1782. Correct or wrong? (a) wrong (b) correct
14. 14.375 ÷ 5 =
15. 15.19 × 13 =
16. 16.16 × 13 =
17. 17.4 × 15 =
18. 18.4 + 9 + 1 + 5 + 2 =
19. 19.55 × 8 =
20. 20.32 × 50 =
21. 21.Check with nines: 63 × 39 = 2457. Correct or wrong? (a) correct (b) wrong
22. 22.20% of 850 =
23. 23.19 + 46 + 47 + 67 =
24. 24.23 × 5 =
25. 25.20% of 400 =
26. 26.Check with nines: 79 × 41 = 3239. Correct or wrong? (a) correct (b) wrong
27. 27.Best estimate of 202 × 9? (a) 3600 (b) 18000 (c) 1800 (d) 180
28. 28.63 × 8 =
29. 29.₹48.15 + ₹46.55 =
30. 30.Check with nines: 92 × 25 = 2300. Correct or wrong? (a) correct (b) wrong
31. 31.130 − 26 =
32. 32.Best estimate of 92 × 79? (a) 720 (b) 72000 (c) 7200 (d) 14400
33. 33.20% of 400 =
34. 34.5% of 540 =
35. 35.1225 ÷ 25 =
36. 36.31 + 24 + 77 + 61 =
37. 37.Best estimate of 499 × 3? (a) 15000 (b) 150 (c) 1500 (d) 3000
38. 38.53 × 5 =
39. 39.88 × 50 =
40. 40.29 + 80 + 57 + 32 =

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths