Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 154 · 40 questions

How to do it in your head (Look first): A 9, 19 or 99 → round and adjust. Two close numbers → count up (or near doubles when adding). × or ÷ by 4 or 8 → double or halve; other sums → split into tens and ones.

1. 1.189 ÷ 3 =
2. 2.86 + 5 =
3. 3.5% of ₹900 =
4. 4.You start your homework at 4:20 and finish at 6:30. How many minutes did you work?
5. 5.7 + ? = 10
6. 6.176 ÷ 8 =
7. 7.25 + 24 =
8. 8.50% of ₹250 =
9. 9.43 + ? = 100
10. 10.What is the remainder when 50 is divided by 4?
11. 11.A film starts at 2:55 and ends at 4:05. How many minutes long is the film?
12. 12.Half of 40 =
13. 13.216 ÷ 8 =
14. 14.70 + 39 =
15. 15.Double 97 =
16. 16.Best estimate of 14 × 54? (a) 5000 (b) 50 (c) 500
17. 17.846 ÷ 9 =
18. 18.38 children stand in rows of 5. How many full rows can they make?
19. 19.23 × 8 =
20. 20.30 + 29 =
21. 21.35 × 8 =
22. 22.What is the remainder when 29 is divided by 6?
23. 23.101 laddoos are packed in boxes of 8. How many laddoos are left over?
24. 24.75 + ? = 100
25. 25.38 − 29 =
26. 26.75 ÷ 3 =
27. 27.10 + 9 =
28. 28.24² =
29. 29.90 − 55 =
30. 30.87 + 67 =
31. 31.510 − 494 =
32. 32.81 × 9 =
33. 33.You start your homework at 6:40 and finish at 9:15. How many minutes did you work?
34. 34.26² =
35. 35.61 children stand in rows of 5. How many full rows can they make?
36. 36.10% of ₹530 =
37. 37.288 ÷ 8 =
38. 38.What is the remainder when 42 is divided by 4?
39. 39.65 × 8 =
40. 40.77 × 8 =

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