Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 956 · 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. 1.92 ÷ 4 =
2. 2.You start your homework at 1:05 and finish at 3:15. How many minutes did you work?
3. 3.You buy a notebook for ₹57 and pay with a ₹100 note. How much change do you get, in rupees?
4. 4.17 × 8 =
5. 5.22 + 19 =
6. 6.10% of ₹280 =
7. 7.50% of ₹760 =
8. 8.47 + 27 =
9. 9.12 + 14 =
10. 10.55 + 74 =
11. 11.84 ÷ 4 =
12. 12.A film starts at 4:35 and ends at 6:25. How many minutes long is the film?
13. 13.91 − 53 =
14. 14.You buy a pencil box for ₹32 and a pen for ₹36. You pay with a ₹100 note. How much change do you get, in rupees?
15. 15.8 + ? = 10
16. 16.Best estimate of 514 + 863? (a) 1200 (b) 1600 (c) 1400
17. 17.65 + 6 =
18. 18.37 + 6 =
19. 19.21 + 22 =
20. 20.10% of ₹160 =
21. 21.68 ÷ 4 =
22. 22.216 ÷ 8 =
23. 23.37 laddoos are packed in boxes of 3. How many laddoos are left over?
24. 24.33 × 4 =
25. 25.326 − 278 =
26. 26.50% of ₹90 =
27. 27.66 − 46 =
28. 28.What is the remainder when 13 is divided by 3?
29. 29.206 − 197 =
30. 30.66 − 31 =
31. 31.You buy a bag of mangoes for ₹19 and a pen for ₹20. You pay with a ₹100 note. How much change do you get, in rupees?
32. 32.312 + 99 =
33. 33.505 − 486 =
34. 34.624 + 99 =
35. 35.129 ÷ 3 =
36. 36.29² =
37. 37.59 − 16 =
38. 38.3 + ? = 10
39. 39.24 children stand in rows of 5. How many full rows can they make?
40. 40.Best estimate of 626 + 314? (a) 900 (b) 1100 (c) 700

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