Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 992 · 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. 1.126 − 81 =
2. 2.Half of 168 =
3. 3.176 ÷ 4 =
4. 4.A film starts at 8:20 and ends at 9:30. How many minutes long is the film?
5. 5.63 + 69 =
6. 6.39 + ? = 100
7. 7.222 ÷ 3 =
8. 8.A cricket match starts at 6:55 and the first innings ends at 8:40. How many minutes did the innings last?
9. 9.A train leaves at 6:50 and reaches the next city at 8:25. How many minutes is the journey?
10. 10.444 + 99 =
11. 11.23 + 24 =
12. 12.5% of ₹220 =
13. 13.19 + 3 =
14. 14.13 × 8 =
15. 15.41 + 64 =
16. 16.A train leaves at 4:30 and reaches the next city at 5:30. How many minutes is the journey?
17. 17.72 ÷ 4 =
18. 18.90 laddoos are packed in boxes of 7. How many laddoos are left over?
19. 19.164 ÷ 4 =
20. 20.Best estimate of 71 × 82? (a) 5600 (b) 560 (c) 56000
21. 21.52 + 9 =
22. 22.43 × 5 =
23. 23.Half of 136 =
24. 24.You buy a kite for ₹38 and pay with a ₹100 note. How much change do you get, in rupees?
25. 25.153 + 99 =
26. 26.61 − 51 =
27. 27.6 + ? = 10
28. 28.733 + 99 =
29. 29.54 laddoos are packed in boxes of 5. How many laddoos are left over?
30. 30.66 + ? = 100
31. 31.Half of 148 =
32. 32.A film starts at 4:20 and ends at 6:20. How many minutes long is the film?
33. 33.126 − 84 =
34. 34.88 + 7 =
35. 35.7 + 4 =
36. 36.20 + 21 =
37. 37.65 + 58 =
38. 38.91 − 78 =
39. 39.65 × 6 =
40. 40.57 × 4 =

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths