Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 611 · 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.You buy a water bottle for ₹110 and pay with a ₹500 note. How much change do you get, in rupees?
2. 2.48 − 19 =
3. 3.13² =
4. 4.45 + 6 =
5. 5.Half of 102 =
6. 6.58 + 6 =
7. 7.93 − 27 =
8. 8.Best estimate of 82 × 46? (a) 40000 (b) 4000 (c) 400
9. 9.You buy a storybook for ₹11 and a pen for ₹25. You pay with a ₹100 note. How much change do you get, in rupees?
10. 10.33 × 7 =
11. 11.25% of ₹290 =
12. 12.75 + 7 =
13. 13.87 − 9 =
14. 14.84 ÷ 7 =
15. 15.1007 − 987 =
16. 16.You buy a storybook for ₹434 and pay with a ₹500 note. How much change do you get, in rupees?
17. 17.17 + 18 =
18. 18.72 − 46 =
19. 19.25 × 8 =
20. 20.A cricket match starts at 4:05 and the first innings ends at 4:55. How many minutes did the innings last?
21. 21.79 + ? = 100
22. 22.84 × 6 =
23. 23.54 × 4 =
24. 24.6 + ? = 10
25. 25.216 ÷ 4 =
26. 26.96 × 7 =
27. 27.You start your homework at 4:30 and finish at 7:00. How many minutes did you work?
28. 28.39 × 8 =
29. 29.A film starts at 5:40 and ends at 6:35. How many minutes long is the film?
30. 30.53 × 6 =
31. 31.728 ÷ 8 =
32. 32.9 + 10 =
33. 33.27 + 9 =
34. 34.84 + ? = 100
35. 35.317 − 278 =
36. 36.You buy a water bottle for ₹34 and pay with a ₹100 note. How much change do you get, in rupees?
37. 37.50% of ₹450 =
38. 38.What is the remainder when 35 is divided by 3?
39. 39.5% of ₹600 =
40. 40.A train leaves at 5:40 and reaches the next city at 8:15. How many minutes is the journey?

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