Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 531 · 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.A train leaves at 3:30 and reaches the next city at 6:20. How many minutes is the journey?
2. 2.35 + 9 =
3. 3.30 × 4 =
4. 4.24 + 26 =
5. 5.10% of ₹100 =
6. 6.27² =
7. 7.A train leaves at 6:30 and reaches the next city at 7:40. How many minutes is the journey?
8. 8.7 + 4 =
9. 9.A cricket match starts at 6:10 and the first innings ends at 7:25. How many minutes did the innings last?
10. 10.9 + ? = 10
11. 11.74 children stand in rows of 7. How many full rows can they make?
12. 12.You buy a notebook for ₹84 and pay with a ₹100 note. How much change do you get, in rupees?
13. 13.328 ÷ 8 =
14. 14.16 + 17 =
15. 15.88 − 67 =
16. 16.58 + ? = 100
17. 17.25% of ₹290 =
18. 18.87 + 5 =
19. 19.A film starts at 8:10 and ends at 8:55. How many minutes long is the film?
20. 20.36 + 52 =
21. 21.56 + 6 =
22. 22.59 + 54 =
23. 23.60 ÷ 4 =
24. 24.64 children stand in rows of 9. How many full rows can they make?
25. 25.Best estimate of 12 × 32? (a) 3000 (b) 30 (c) 300
26. 26.27 + 29 =
27. 27.What is the remainder when 14 is divided by 3?
28. 28.18 + 19 =
29. 29.52 ÷ 4 =
30. 30.22² =
31. 31.22 × 4 =
32. 32.You buy a pencil box for ₹12 and a pen for ₹36. You pay with a ₹100 note. How much change do you get, in rupees?
33. 33.A film starts at 8:10 and ends at 10:55. How many minutes long is the film?
34. 34.A film starts at 6:15 and ends at 8:40. How many minutes long is the film?
35. 35.Best estimate of 29 × 66? (a) 2100 (b) 210 (c) 21000
36. 36.26 + 25 =
37. 37.60 − 43 =
38. 38.52 + 41 =
39. 39.12 + 14 =
40. 40.36 × 8 =

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