Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 944 · 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: 24 × 33 = 794. Correct or wrong? (a) correct (b) wrong
2. 2.63 + 27 =
3. 3.415 + 47 =
4. 4.124 × 4 =
5. 5.184 + 97 =
6. 6.Check with nines: 369 + 808 = 1169. Correct or wrong? (a) correct (b) wrong
7. 7.6 + 3 + 1 + 4 + 3 =
8. 8.87 × 5 =
9. 9.445 + 49 =
10. 10.379 − 89 =
11. 11.61² =
12. 12.15% of 750 =
13. 13.67 × 50 =
14. 14.39² =
15. 15.98 × 5 =
16. 16.98 × 50 =
17. 17.17 + 20 + 15 + 11 =
18. 18.396 + 87 =
19. 19.11 × 13 =
20. 20.361 + 18 =
21. 21.26 × 15 =
22. 22.5 × 15 =
23. 23.97 × 50 =
24. 24.20% of 210 =
25. 25.Best estimate of 28 × 18? (a) 6000 (b) 60 (c) 1200 (d) 600
26. 26.395 − 66 =
27. 27.25% of 900 =
28. 28.50% of 120 =
29. 29.Check with nines: 26 × 44 = 1149. Correct or wrong? (a) correct (b) wrong
30. 30.46 × 50 =
31. 31.24 × 4 =
32. 32.Best estimate of 28 × 81? (a) 2400 (b) 240 (c) 24000 (d) 4800
33. 33.457 − 26 =
34. 34.₹83.20 + ₹12.75 =
35. 35.₹24.40 − ₹15.90 =
36. 36.41 × 15 =
37. 37.25% of 100 =
38. 38.91² =
39. 39.Best estimate of 198 × 5? (a) 1000 (b) 10000 (c) 100 (d) 2000
40. 40.5% of 860 =

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