Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 216 · 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. 1.220 + 28 =
2. 2.Check with nines: 330 + 202 = 532. Correct or wrong? (a) correct (b) wrong
3. 3.79 × 5 =
4. 4.16 × 15 =
5. 5.345 + 89 =
6. 6.2 + 1 + 9 + 1 + 2 =
7. 7.134 × 4 =
8. 8.Check with nines: 219 + 745 = 959. Correct or wrong? (a) correct (b) wrong
9. 9.21 × 15 =
10. 10.₹46.80 − ₹20.80 =
11. 11.25 × 5 =
12. 12.3 + 8 + 7 + 3 =
13. 13.32 × 15 =
14. 14.9 × 15 =
15. 15.345 ÷ 5 =
16. 16.510 ÷ 5 =
17. 17.45 × 15 =
18. 18.1275 ÷ 25 =
19. 19.439 − 67 =
20. 20.21² =
21. 21.250 ÷ 25 =
22. 22.Best estimate of 72 × 58? (a) 8400 (b) 42000 (c) 4200 (d) 420
23. 23.359 − 38 =
24. 24.79² =
25. 25.41² =
26. 26.56 + 80 + 83 + 49 =
27. 27.59 + 48 + 39 + 44 =
28. 28.21² =
29. 29.39² =
30. 30.15 × 14 =
31. 31.950 ÷ 50 =
32. 32.223 + 17 =
33. 33.37 × 5 =
34. 34.419 − 66 =
35. 35.68 + 11 + 69 + 38 =
36. 36.1% of 680 =
37. 37.₹16.70 + ₹20.05 =
38. 38.346 + 37 =
39. 39.209 − 58 =
40. 40.80 × 50 =

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