Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 306 · 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. 1.77 − 13 =
2. 2.13 × 4 =
3. 3.53 laddoos are packed in boxes of 7. How many laddoos are left over?
4. 4.507 − 475 =
5. 5.You buy a storybook for ₹22 and a pen for ₹32. You pay with a ₹100 note. How much change do you get, in rupees?
6. 6.104 ÷ 8 =
7. 7.109 children stand in rows of 9. How many full rows can they make?
8. 8.Half of 138 =
9. 9.1016 − 993 =
10. 10.74 × 3 =
11. 11.Half of 158 =
12. 12.33 × 3 =
13. 13.114 ÷ 6 =
14. 14.212 − 178 =
15. 15.92 × 4 =
16. 16.89 − 31 =
17. 17.10% of ₹390 =
18. 18.A film starts at 2:40 and ends at 5:40. How many minutes long is the film?
19. 19.27² =
20. 20.13² =
21. 21.36 + 5 =
22. 22.12 × 4 =
23. 23.Best estimate of 169 + 273? (a) 300 (b) 500 (c) 700
24. 24.9 + ? = 10
25. 25.30 + 31 =
26. 26.2 + ? = 10
27. 27.10% of ₹420 =
28. 28.140 ÷ 5 =
29. 29.576 ÷ 6 =
30. 30.Best estimate of 848 + 239? (a) 800 (b) 1200 (c) 1000
31. 31.What is the remainder when 34 is divided by 5?
32. 32.A film starts at 3:40 and ends at 6:55. How many minutes long is the film?
33. 33.43 × 4 =
34. 34.37 + 19 =
35. 35.25% of ₹810 =
36. 36.31 × 9 =
37. 37.200 ÷ 4 =
38. 38.73 − 51 =
39. 39.6 + 7 =
40. 40.What is the remainder when 49 is divided by 4?

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