Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 622 · 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.Double 77 =
2. 2.520 − 497 =
3. 3.Double 49 =
4. 4.You buy a storybook for ₹219 and pay with a ₹500 note. How much change do you get, in rupees?
5. 5.You start your homework at 7:25 and finish at 10:15. How many minutes did you work?
6. 6.39 × 8 =
7. 7.82 × 6 =
8. 8.98 − 17 =
9. 9.85 + 27 =
10. 10.43 + 63 =
11. 11.24 × 6 =
12. 12.684 ÷ 9 =
13. 13.228 ÷ 4 =
14. 14.28² =
15. 15.6 + 7 =
16. 16.88 + 4 =
17. 17.50% of ₹430 =
18. 18.10% of ₹630 =
19. 19.What is the remainder when 85 is divided by 6?
20. 20.6 + ? = 10
21. 21.A train leaves at 3:05 and reaches the next city at 3:45. How many minutes is the journey?
22. 22.382 + 99 =
23. 23.79 − 29 =
24. 24.A cricket match starts at 2:00 and the first innings ends at 4:40. How many minutes did the innings last?
25. 25.20 × 4 =
26. 26.308 − 275 =
27. 27.29 × 4 =
28. 28.23² =
29. 29.212 ÷ 4 =
30. 30.522 − 476 =
31. 31.9 + ? = 10
32. 32.75 × 3 =
33. 33.84 − 26 =
34. 34.23 + 24 =
35. 35.A cricket match starts at 6:40 and the first innings ends at 9:55. How many minutes did the innings last?
36. 36.525 − 482 =
37. 37.86 + 6 =
38. 38.33 + 9 =
39. 39.92 × 4 =
40. 40.75 + 29 =

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