Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 307 · 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. 1.318 − 296 =
2. 2.76 + 28 =
3. 3.18 + 5 =
4. 4.A film starts at 4:50 and ends at 8:10. How many minutes long is the film?
5. 5.28² =
6. 6.2 + ? = 10
7. 7.10% of ₹250 =
8. 8.99 − 15 =
9. 9.52 × 4 =
10. 10.You buy a water bottle for ₹32 and pay with a ₹100 note. How much change do you get, in rupees?
11. 11.Best estimate of 62 × 60? (a) 360 (b) 36000 (c) 3600
12. 12.23² =
13. 13.224 ÷ 7 =
14. 14.56 + 22 =
15. 15.44 laddoos are packed in boxes of 3. How many laddoos are left over?
16. 16.You buy a storybook for ₹98 and pay with a ₹100 note. How much change do you get, in rupees?
17. 17.25% of ₹110 =
18. 18.22 + 31 =
19. 19.79 + ? = 100
20. 20.25² =
21. 21.What is the remainder when 76 is divided by 5?
22. 22.82 × 9 =
23. 23.30 laddoos are packed in boxes of 7. How many laddoos are left over?
24. 24.You buy a water bottle for ₹16 and a pen for ₹15. You pay with a ₹100 note. How much change do you get, in rupees?
25. 25.25% of ₹40 =
26. 26.52 − 38 =
27. 27.A train leaves at 6:10 and reaches the next city at 8:35. How many minutes is the journey?
28. 28.113 − 87 =
29. 29.252 ÷ 7 =
30. 30.Half of 52 =
31. 31.19² =
32. 32.7 + ? = 10
33. 33.80 ÷ 4 =
34. 34.Half of 34 =
35. 35.91 × 9 =
36. 36.18² =
37. 37.218 − 177 =
38. 38.65 + 7 =
39. 39.5% of ₹800 =
40. 40.18 + 19 =

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