Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 399 · 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.A film starts at 3:00 and ends at 4:55. How many minutes long is the film?
2. 2.62 − 24 =
3. 3.20 children stand in rows of 3. How many full rows can they make?
4. 4.96 − 19 =
5. 5.28 + 27 =
6. 6.You buy a kite for ₹489 and pay with a ₹500 note. How much change do you get, in rupees?
7. 7.3 + ? = 10
8. 8.55 + 81 =
9. 9.25% of ₹820 =
10. 10.172 ÷ 4 =
11. 11.113 − 84 =
12. 12.A film starts at 7:20 and ends at 10:10. How many minutes long is the film?
13. 13.819 ÷ 9 =
14. 14.36 + 9 =
15. 15.You buy a pencil box for ₹30 and pay with a ₹100 note. How much change do you get, in rupees?
16. 16.17 + 18 =
17. 17.70 + 29 =
18. 18.35 + 9 =
19. 19.You buy a storybook for ₹86 and pay with a ₹100 note. How much change do you get, in rupees?
20. 20.Half of 112 =
21. 21.305 ÷ 5 =
22. 22.You buy a box of crayons for ₹18 and a pen for ₹21. You pay with a ₹100 note. How much change do you get, in rupees?
23. 23.You start your homework at 1:45 and finish at 5:05. How many minutes did you work?
24. 24.23 + 24 =
25. 25.456 ÷ 6 =
26. 26.88 ÷ 4 =
27. 27.508 − 497 =
28. 28.You buy a storybook for ₹29 and pay with a ₹100 note. How much change do you get, in rupees?
29. 29.Double 17 =
30. 30.51 × 3 =
31. 31.39 × 3 =
32. 32.74 × 4 =
33. 33.19² =
34. 34.29 + 28 =
35. 35.72 + 55 =
36. 36.76 + ? = 100
37. 37.50% of ₹200 =
38. 38.40 × 8 =
39. 39.25% of ₹90 =
40. 40.15 + 16 =

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