Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 464 · 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.Half of 160 =
2. 2.28 + 6 =
3. 3.50% of ₹520 =
4. 4.13 × 4 =
5. 5.Half of 26 =
6. 6.A film starts at 2:25 and ends at 5:25. How many minutes long is the film?
7. 7.56 + 53 =
8. 8.A cricket match starts at 3:05 and the first innings ends at 3:40. How many minutes did the innings last?
9. 9.1029 − 984 =
10. 10.4 + ? = 10
11. 11.28² =
12. 12.You buy a storybook for ₹123 and pay with a ₹500 note. How much change do you get, in rupees?
13. 13.82 + ? = 100
14. 14.264 ÷ 8 =
15. 15.86 × 6 =
16. 16.A film starts at 5:50 and ends at 7:45. How many minutes long is the film?
17. 17.59 + ? = 100
18. 18.11² =
19. 19.12 + 11 =
20. 20.36 + 8 =
21. 21.41 × 3 =
22. 22.391 + 99 =
23. 23.1 + ? = 10
24. 24.17 + 19 =
25. 25.306 ÷ 6 =
26. 26.127 children stand in rows of 8. How many full rows can they make?
27. 27.What is the remainder when 101 is divided by 9?
28. 28.You start your homework at 1:10 and finish at 4:30. How many minutes did you work?
29. 29.180 ÷ 4 =
30. 30.152 ÷ 8 =
31. 31.212 ÷ 4 =
32. 32.You buy a notebook for ₹430 and pay with a ₹500 note. How much change do you get, in rupees?
33. 33.A cricket match starts at 7:05 and the first innings ends at 10:00. How many minutes did the innings last?
34. 34.25% of ₹860 =
35. 35.59 − 13 =
36. 36.84 + ? = 100
37. 37.61 − 13 =
38. 38.198 ÷ 9 =
39. 39.Half of 142 =
40. 40.Half of 196 =

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