Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 110 · 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.Half of 152 =
2. 2.What is the remainder when 55 is divided by 4?
3. 3.A film starts at 2:05 and ends at 2:45. How many minutes long is the film?
4. 4.Double 73 =
5. 5.You buy a water bottle for ₹420 and pay with a ₹500 note. How much change do you get, in rupees?
6. 6.A cricket match starts at 1:20 and the first innings ends at 2:30. How many minutes did the innings last?
7. 7.66 + 5 =
8. 8.54 − 31 =
9. 9.You buy a kite for ₹57 and pay with a ₹100 note. How much change do you get, in rupees?
10. 10.67 + 7 =
11. 11.102 ÷ 6 =
12. 12.76 − 19 =
13. 13.86 + 7 =
14. 14.408 ÷ 8 =
15. 15.60 × 4 =
16. 16.325 − 278 =
17. 17.50% of ₹860 =
18. 18.55 + 6 =
19. 19.18 + 20 =
20. 20.14 + 19 =
21. 21.You buy a storybook for ₹38 and a pen for ₹38. You pay with a ₹100 note. How much change do you get, in rupees?
22. 22.45 + 6 =
23. 23.39 + 83 =
24. 24.5 + 9 =
25. 25.76 × 7 =
26. 26.372 ÷ 4 =
27. 27.47 × 5 =
28. 28.38 + 76 =
29. 29.22 + 23 =
30. 30.87 + 18 =
31. 31.19 + ? = 100
32. 32.20 + 29 =
33. 33.You buy a notebook for ₹44 and a pen for ₹12. You pay with a ₹100 note. How much change do you get, in rupees?
34. 34.17² =
35. 35.10% of ₹440 =
36. 36.29 × 4 =
37. 37.30 + 9 =
38. 38.17 + 19 =
39. 39.56 × 3 =
40. 40.57 laddoos are packed in boxes of 4. How many laddoos are left over?

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