Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 254 · 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. 1.34 × 4 =
2. 2.324 − 290 =
3. 3.35 + 7 =
4. 4.1005 − 984 =
5. 5.68 + 7 =
6. 6.You start your homework at 7:40 and finish at 9:20. How many minutes did you work?
7. 7.You buy a storybook for ₹73 and pay with a ₹100 note. How much change do you get, in rupees?
8. 8.10% of ₹80 =
9. 9.88 + ? = 100
10. 10.76 × 4 =
11. 11.28 + 30 =
12. 12.19 + 7 =
13. 13.16² =
14. 14.61 + 22 =
15. 15.You start your homework at 7:20 and finish at 7:55. How many minutes did you work?
16. 16.55 × 5 =
17. 17.28 × 8 =
18. 18.A cricket match starts at 2:45 and the first innings ends at 4:35. How many minutes did the innings last?
19. 19.27 × 6 =
20. 20.You start your homework at 2:25 and finish at 3:55. How many minutes did you work?
21. 21.507 − 99 =
22. 22.34 + 88 =
23. 23.What is the remainder when 46 is divided by 5?
24. 24.87 × 5 =
25. 25.8 + ? = 10
26. 26.132 ÷ 4 =
27. 27.26² =
28. 28.Best estimate of 32 × 38? (a) 1200 (b) 120 (c) 12000
29. 29.76 ÷ 4 =
30. 30.70 − 30 =
31. 31.508 − 484 =
32. 32.5% of ₹220 =
33. 33.76 children stand in rows of 9. How many full rows can they make?
34. 34.A train leaves at 7:15 and reaches the next city at 9:15. How many minutes is the journey?
35. 35.You buy a box of crayons for ₹39 and pay with a ₹100 note. How much change do you get, in rupees?
36. 36.You buy a water bottle for ₹78 and pay with a ₹100 note. How much change do you get, in rupees?
37. 37.What is the remainder when 107 is divided by 7?
38. 38.50% of ₹410 =
39. 39.What is the remainder when 33 is divided by 5?
40. 40.147 ÷ 7 =

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