Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 881 · 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: 466 + 933 = 1407. Correct or wrong? (a) wrong (b) correct
2. 2.Check with nines: 190 + 132 = 328. Correct or wrong? (a) correct (b) wrong
3. 3.175 − 17 =
4. 4.30 × 15 =
5. 5.25% of 530 =
6. 6.137 + 57 =
7. 7.85 × 4 =
8. 8.7 + 9 + 3 + 7 =
9. 9.276 − 29 =
10. 10.Best estimate of 197 × 9? (a) 3600 (b) 1800 (c) 18000 (d) 180
11. 11.488 + 19 =
12. 12.573 − 88 =
13. 13.840 ÷ 5 =
14. 14.Best estimate of 88 × 58? (a) 10800 (b) 540 (c) 5400 (d) 54000
15. 15.1300 ÷ 25 =
16. 16.422 + 97 =
17. 17.950 ÷ 50 =
18. 18.17 × 15 =
19. 19.650 ÷ 50 =
20. 20.51² =
21. 21.12 × 50 =
22. 22.414 + 87 =
23. 23.470 + 87 =
24. 24.334 − 69 =
25. 25.Check with nines: 83 × 57 = 4731. Correct or wrong? (a) wrong (b) correct
26. 26.Check with nines: 397 + 319 = 712. Correct or wrong? (a) wrong (b) correct
27. 27.275 ÷ 25 =
28. 28.Best estimate of 32 × 88? (a) 27000 (b) 5400 (c) 270 (d) 2700
29. 29.48 × 15 =
30. 30.112 × 4 =
31. 31.8 + 3 + 1 + 2 + 6 =
32. 32.10% of 140 =
33. 33.8 × 15 =
34. 34.58 × 5 =
35. 35.32 × 5 =
36. 36.7 + 4 + 1 + 4 + 6 =
37. 37.76 + 45 + 69 + 60 =
38. 38.9 + 6 + 1 + 2 + 6 =
39. 39.61² =
40. 40.39² =

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