Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 663 · 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. 1.58 + ? = 100
2. 2.You buy a pencil box for ₹32 and a pen for ₹35. You pay with a ₹100 note. How much change do you get, in rupees?
3. 3.50% of ₹290 =
4. 4.89 − 58 =
5. 5.99 × 8 =
6. 6.61 − 16 =
7. 7.You buy a storybook for ₹33 and pay with a ₹100 note. How much change do you get, in rupees?
8. 8.You start your homework at 3:35 and finish at 4:20. How many minutes did you work?
9. 9.16² =
10. 10.224 ÷ 8 =
11. 11.19 + 18 =
12. 12.57 × 9 =
13. 13.Half of 198 =
14. 14.55 + 8 =
15. 15.36 + 57 =
16. 16.Half of 34 =
17. 17.Double 25 =
18. 18.72 − 48 =
19. 19.66 ÷ 3 =
20. 20.Double 17 =
21. 21.40 × 8 =
22. 22.A film starts at 2:20 and ends at 5:00. How many minutes long is the film?
23. 23.13 + 15 =
24. 24.Double 59 =
25. 25.A cricket match starts at 7:00 and the first innings ends at 8:10. How many minutes did the innings last?
26. 26.4 + ? = 10
27. 27.48 × 4 =
28. 28.280 ÷ 8 =
29. 29.Double 49 =
30. 30.72 + ? = 100
31. 31.You buy a box of crayons for ₹182 and pay with a ₹500 note. How much change do you get, in rupees?
32. 32.19 + 3 =
33. 33.35 + 6 =
34. 34.You buy a water bottle for ₹396 and pay with a ₹500 note. How much change do you get, in rupees?
35. 35.What is the remainder when 31 is divided by 6?
36. 36.23 + 25 =
37. 37.240 ÷ 4 =
38. 38.Double 83 =
39. 39.12 × 5 =
40. 40.You buy a bag of mangoes for ₹15 and a pen for ₹25. You pay with a ₹100 note. How much change do you get, in rupees?

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