Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 793 · 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 bag of mangoes for ₹15 and pay with a ₹100 note. How much change do you get, in rupees?
2. 2.Half of 28 =
3. 3.23 children stand in rows of 4. How many full rows can they make?
4. 4.48 + 9 =
5. 5.595 ÷ 7 =
6. 6.27 + 9 =
7. 7.26 + 28 =
8. 8.82 − 64 =
9. 9.70 + 47 =
10. 10.56 − 16 =
11. 11.29² =
12. 12.You buy a notebook for ₹289 and pay with a ₹500 note. How much change do you get, in rupees?
13. 13.13 × 8 =
14. 14.27 + 26 =
15. 15.7 + 7 =
16. 16.47 + 5 =
17. 17.1 + ? = 10
18. 18.38 × 4 =
19. 19.You buy a water bottle for ₹31 and pay with a ₹100 note. How much change do you get, in rupees?
20. 20.52 ÷ 4 =
21. 21.36 laddoos are packed in boxes of 8. How many laddoos are left over?
22. 22.18 × 6 =
23. 23.292 ÷ 4 =
24. 24.What is the remainder when 30 is divided by 4?
25. 25.525 − 478 =
26. 26.68 + 71 =
27. 27.156 ÷ 4 =
28. 28.75 × 4 =
29. 29.72 + ? = 100
30. 30.67 + 84 =
31. 31.85 − 78 =
32. 32.88 − 36 =
33. 33.741 − 99 =
34. 34.36 + 34 =
35. 35.You buy a water bottle for ₹38 and a pen for ₹41. You pay with a ₹100 note. How much change do you get, in rupees?
36. 36.Half of 40 =
37. 37.29 × 4 =
38. 38.13² =
39. 39.103 − 98 =
40. 40.What is the remainder when 31 is divided by 4?

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