Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 122 · 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. 1.164 ÷ 4 =
2. 2.12² =
3. 3.23 + ? = 100
4. 4.205 ÷ 5 =
5. 5.226 − 189 =
6. 6.You buy a kite for ₹265 and pay with a ₹500 note. How much change do you get, in rupees?
7. 7.15² =
8. 8.A train leaves at 3:05 and reaches the next city at 5:05. How many minutes is the journey?
9. 9.32 + 32 =
10. 10.42 + 83 =
11. 11.26 + 27 =
12. 12.200 ÷ 4 =
13. 13.You buy a bag of mangoes for ₹195 and pay with a ₹500 note. How much change do you get, in rupees?
14. 14.57 × 5 =
15. 15.19 + 19 =
16. 16.363 − 99 =
17. 17.92 × 5 =
18. 18.70 + 29 =
19. 19.120 ÷ 8 =
20. 20.You buy a storybook for ₹84 and pay with a ₹100 note. How much change do you get, in rupees?
21. 21.A film starts at 2:35 and ends at 4:15. How many minutes long is the film?
22. 22.You start your homework at 4:20 and finish at 6:25. How many minutes did you work?
23. 23.51 × 4 =
24. 24.68 + ? = 100
25. 25.2 + ? = 10
26. 26.A cricket match starts at 7:00 and the first innings ends at 8:30. How many minutes did the innings last?
27. 27.66 ÷ 3 =
28. 28.Double 24 =
29. 29.39 − 9 =
30. 30.28 + 6 =
31. 31.486 ÷ 6 =
32. 32.Half of 82 =
33. 33.58 + 85 =
34. 34.315 − 281 =
35. 35.29² =
36. 36.What is the remainder when 127 is divided by 9?
37. 37.13 + 12 =
38. 38.855 − 99 =
39. 39.5% of ₹580 =
40. 40.25% of ₹840 =

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