Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 420 · 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 81 =
2. 2.26 + 25 =
3. 3.Double 93 =
4. 4.416 ÷ 8 =
5. 5.96 − 56 =
6. 6.Half of 56 =
7. 7.What is the remainder when 57 is divided by 7?
8. 8.You buy a cricket ball for ₹86 and pay with a ₹100 note. How much change do you get, in rupees?
9. 9.You buy a pencil box for ₹92 and pay with a ₹100 note. How much change do you get, in rupees?
10. 10.2 + ? = 10
11. 11.16 × 7 =
12. 12.72 + 53 =
13. 13.232 ÷ 8 =
14. 14.27 × 4 =
15. 15.77 + 8 =
16. 16.40 + 14 =
17. 17.A film starts at 5:05 and ends at 5:50. How many minutes long is the film?
18. 18.85 − 14 =
19. 19.79 + 67 =
20. 20.39 + 9 =
21. 21.10% of ₹90 =
22. 22.61 − 18 =
23. 23.32 × 7 =
24. 24.240 ÷ 8 =
25. 25.17 × 7 =
26. 26.7 + ? = 10
27. 27.72 − 12 =
28. 28.19 × 8 =
29. 29.Half of 122 =
30. 30.15 + 8 =
31. 31.12 + 14 =
32. 32.22 + 21 =
33. 33.A film starts at 3:10 and ends at 6:10. How many minutes long is the film?
34. 34.19 × 4 =
35. 35.26 + 27 =
36. 36.13 × 4 =
37. 37.79 − 19 =
38. 38.What is the remainder when 62 is divided by 9?
39. 39.A train leaves at 4:00 and reaches the next city at 5:15. How many minutes is the journey?
40. 40.59 + 4 =

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