Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 541 · 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. 1.23 + 25 =
2. 2.5% of ₹400 =
3. 3.82 − 56 =
4. 4.47 + 84 =
5. 5.29 + 5 =
6. 6.28 + 5 =
7. 7.23 × 8 =
8. 8.19 + ? = 100
9. 9.16² =
10. 10.What is the remainder when 26 is divided by 5?
11. 11.191 − 99 =
12. 12.You buy a cricket ball for ₹82 and pay with a ₹100 note. How much change do you get, in rupees?
13. 13.97 − 43 =
14. 14.18 + 17 =
15. 15.42 − 29 =
16. 16.46 × 4 =
17. 17.51 × 4 =
18. 18.You buy a notebook for ₹322 and pay with a ₹500 note. How much change do you get, in rupees?
19. 19.50 + 43 =
20. 20.204 ÷ 4 =
21. 21.56 + 9 =
22. 22.You buy a box of crayons for ₹156 and pay with a ₹500 note. How much change do you get, in rupees?
23. 23.21² =
24. 24.14 + 16 =
25. 25.85 − 57 =
26. 26.19 × 4 =
27. 27.12 + 14 =
28. 28.10% of ₹80 =
29. 29.128 ÷ 4 =
30. 30.123 − 89 =
31. 31.5 + 6 =
32. 32.89 − 19 =
33. 33.74 − 9 =
34. 34.121 − 78 =
35. 35.5% of ₹790 =
36. 36.A film starts at 6:05 and ends at 9:25. How many minutes long is the film?
37. 37.74 + 83 =
38. 38.8 + 10 =
39. 39.Double 17 =
40. 40.You buy a cricket ball for ₹203 and pay with a ₹500 note. How much change do you get, in rupees?

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