Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 182 · 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. 1.14 + 15 =
2. 2.28² =
3. 3.47 + ? = 100
4. 4.You buy a pencil box for ₹13 and a pen for ₹43. You pay with a ₹100 note. How much change do you get, in rupees?
5. 5.36 + 5 =
6. 6.29 × 3 =
7. 7.26 × 4 =
8. 8.686 ÷ 7 =
9. 9.22 + 62 =
10. 10.50% of ₹640 =
11. 11.50% of ₹460 =
12. 12.A film starts at 8:20 and ends at 11:00. How many minutes long is the film?
13. 13.You start your homework at 7:00 and finish at 7:25. How many minutes did you work?
14. 14.A film starts at 2:45 and ends at 5:50. How many minutes long is the film?
15. 15.85 children stand in rows of 6. How many full rows can they make?
16. 16.17 + 16 =
17. 17.Double 51 =
18. 18.Double 85 =
19. 19.9 + 6 =
20. 20.17 + 5 =
21. 21.43 × 4 =
22. 22.18 + 9 =
23. 23.88 × 4 =
24. 24.14² =
25. 25.You start your homework at 6:15 and finish at 6:40. How many minutes did you work?
26. 26.23 + 22 =
27. 27.78 + 3 =
28. 28.31 + 21 =
29. 29.22 + 23 =
30. 30.What is the remainder when 113 is divided by 8?
31. 31.124 ÷ 4 =
32. 32.10 + 9 =
33. 33.30 + 29 =
34. 34.48 + 87 =
35. 35.Double 87 =
36. 36.106 − 89 =
37. 37.60 + 56 =
38. 38.10% of ₹880 =
39. 39.297 ÷ 3 =
40. 40.You start your homework at 3:10 and finish at 4:00. How many minutes did you work?

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