Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 660 · 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. 1.104 − 29 =
2. 2.A film starts at 6:10 and ends at 8:45. How many minutes long is the film?
3. 3.What is the remainder when 33 is divided by 5?
4. 4.7 + ? = 10
5. 5.65 + 46 =
6. 6.25² =
7. 7.A train leaves at 5:50 and reaches the next city at 8:20. How many minutes is the journey?
8. 8.A train leaves at 4:05 and reaches the next city at 5:15. How many minutes is the journey?
9. 9.You buy a notebook for ₹44 and a pen for ₹45. You pay with a ₹100 note. How much change do you get, in rupees?
10. 10.66 + ? = 100
11. 11.You start your homework at 2:05 and finish at 4:35. How many minutes did you work?
12. 12.71 − 19 =
13. 13.7 + 6 =
14. 14.Double 85 =
15. 15.111 laddoos are packed in boxes of 7. How many laddoos are left over?
16. 16.53 × 9 =
17. 17.28 + 52 =
18. 18.50% of ₹470 =
19. 19.Half of 116 =
20. 20.203 − 195 =
21. 21.60 − 29 =
22. 22.2 + ? = 10
23. 23.21 + 23 =
24. 24.63 − 19 =
25. 25.18 − 9 =
26. 26.13 × 4 =
27. 27.5% of ₹660 =
28. 28.50% of ₹140 =
29. 29.526 − 492 =
30. 30.123 children stand in rows of 8. How many full rows can they make?
31. 31.60 + ? = 100
32. 32.18 + 19 =
33. 33.69 − 12 =
34. 34.A train leaves at 7:55 and reaches the next city at 10:15. How many minutes is the journey?
35. 35.39 × 8 =
36. 36.9 + ? = 10
37. 37.25 × 8 =
38. 38.You buy a cricket ball for ₹65 and pay with a ₹100 note. How much change do you get, in rupees?
39. 39.81 − 29 =
40. 40.13 + 15 =

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