Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 707 · 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. 1.27 + 29 =
2. 2.16 + 18 =
3. 3.10% of ₹460 =
4. 4.A cricket match starts at 1:10 and the first innings ends at 2:25. How many minutes did the innings last?
5. 5.570 ÷ 6 =
6. 6.29 − 9 =
7. 7.10 + 12 =
8. 8.39 + 26 =
9. 9.Half of 60 =
10. 10.75 − 43 =
11. 11.A film starts at 7:00 and ends at 8:35. How many minutes long is the film?
12. 12.55 + 7 =
13. 13.70 + ? = 100
14. 14.49 children stand in rows of 6. How many full rows can they make?
15. 15.Double 41 =
16. 16.210 − 195 =
17. 17.32 × 8 =
18. 18.42 + 17 =
19. 19.8 + 9 =
20. 20.You start your homework at 2:20 and finish at 4:10. How many minutes did you work?
21. 21.17 × 5 =
22. 22.28 + 29 =
23. 23.Half of 176 =
24. 24.9 + ? = 10
25. 25.21² =
26. 26.A cricket match starts at 1:50 and the first innings ends at 4:10. How many minutes did the innings last?
27. 27.756 + 99 =
28. 28.You buy a notebook for ₹76 and pay with a ₹100 note. How much change do you get, in rupees?
29. 29.Double 37 =
30. 30.You buy a box of crayons for ₹43 and a pen for ₹13. You pay with a ₹100 note. How much change do you get, in rupees?
31. 31.25% of ₹470 =
32. 32.7 + ? = 10
33. 33.11 + 12 =
34. 34.160 ÷ 8 =
35. 35.13 × 8 =
36. 36.28² =
37. 37.88 × 5 =
38. 38.316 − 288 =
39. 39.89 + 2 =
40. 40.32 + 36 =

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