Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 880 · 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. 1.18 + 5 =
2. 2.What is the remainder when 31 is divided by 3?
3. 3.10% of ₹200 =
4. 4.10% of ₹620 =
5. 5.287 ÷ 7 =
6. 6.63 children stand in rows of 8. How many full rows can they make?
7. 7.486 ÷ 6 =
8. 8.You start your homework at 7:05 and finish at 10:00. How many minutes did you work?
9. 9.108 − 29 =
10. 10.39 ÷ 3 =
11. 11.Best estimate of 367 + 740? (a) 900 (b) 1100 (c) 1300
12. 12.78 − 19 =
13. 13.28 + 39 =
14. 14.A film starts at 4:10 and ends at 7:30. How many minutes long is the film?
15. 15.22 + 27 =
16. 16.Double 99 =
17. 17.9 + 11 =
18. 18.A film starts at 7:00 and ends at 7:40. How many minutes long is the film?
19. 19.63 − 21 =
20. 20.524 − 498 =
21. 21.Double 98 =
22. 22.8 + ? = 10
23. 23.17 + 18 =
24. 24.62 + 89 =
25. 25.88 ÷ 4 =
26. 26.579 + 99 =
27. 27.A train leaves at 3:35 and reaches the next city at 5:15. How many minutes is the journey?
28. 28.16 + 15 =
29. 29.35 laddoos are packed in boxes of 6. How many laddoos are left over?
30. 30.68 × 3 =
31. 31.26 × 8 =
32. 32.25% of ₹550 =
33. 33.152 ÷ 4 =
34. 34.A film starts at 7:55 and ends at 10:50. How many minutes long is the film?
35. 35.527 − 498 =
36. 36.236 ÷ 4 =
37. 37.57 + 35 =
38. 38.10 + 9 =
39. 39.88 − 69 =
40. 40.23 − 9 =

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