Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 705 · 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 pencil box for ₹75 and pay with a ₹100 note. How much change do you get, in rupees?
2. 2.27 + 29 =
3. 3.164 ÷ 4 =
4. 4.87 − 31 =
5. 5.140 ÷ 4 =
6. 6.25% of ₹780 =
7. 7.201 + 99 =
8. 8.You buy a box of crayons for ₹32 and a pen for ₹28. You pay with a ₹100 note. How much change do you get, in rupees?
9. 9.2 + ? = 10
10. 10.5% of ₹140 =
11. 11.23 + 29 =
12. 12.48 + 3 =
13. 13.58 − 22 =
14. 14.320 − 277 =
15. 15.158 − 99 =
16. 16.What is the remainder when 58 is divided by 9?
17. 17.24 + 26 =
18. 18.9 + 11 =
19. 19.You buy a water bottle for ₹471 and pay with a ₹500 note. How much change do you get, in rupees?
20. 20.12² =
21. 21.84 − 61 =
22. 22.94 × 3 =
23. 23.18 + 4 =
24. 24.10 + 11 =
25. 25.9 + ? = 10
26. 26.35 × 6 =
27. 27.320 ÷ 8 =
28. 28.Half of 122 =
29. 29.58 × 3 =
30. 30.A film starts at 4:35 and ends at 7:40. How many minutes long is the film?
31. 31.23² =
32. 32.316 − 285 =
33. 33.144 ÷ 3 =
34. 34.316 − 289 =
35. 35.108 laddoos are packed in boxes of 8. How many laddoos are left over?
36. 36.A cricket match starts at 3:00 and the first innings ends at 4:05. How many minutes did the innings last?
37. 37.A train leaves at 7:25 and reaches the next city at 10:30. How many minutes is the journey?
38. 38.75 × 5 =
39. 39.10% of ₹140 =
40. 40.A train leaves at 1:35 and reaches the next city at 2:15. How many minutes is the journey?

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