Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 373 · 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 train leaves at 7:25 and reaches the next city at 8:20. How many minutes is the journey?
2. 2.16 + 15 =
3. 3.22 children stand in rows of 4. How many full rows can they make?
4. 4.69 + ? = 100
5. 5.You start your homework at 5:40 and finish at 7:25. How many minutes did you work?
6. 6.52 × 9 =
7. 7.9 + 2 =
8. 8.63 × 7 =
9. 9.152 ÷ 8 =
10. 10.63 − 29 =
11. 11.What is the remainder when 35 is divided by 6?
12. 12.25 + 6 =
13. 13.312 ÷ 8 =
14. 14.63 ÷ 3 =
15. 15.A train leaves at 3:15 and reaches the next city at 4:05. How many minutes is the journey?
16. 16.You buy a kite for ₹21 and pay with a ₹100 note. How much change do you get, in rupees?
17. 17.1 + ? = 10
18. 18.You buy a water bottle for ₹28 and pay with a ₹100 note. How much change do you get, in rupees?
19. 19.73 + 42 =
20. 20.50% of ₹470 =
21. 21.You buy a storybook for ₹325 and pay with a ₹500 note. How much change do you get, in rupees?
22. 22.66 − 12 =
23. 23.92 ÷ 4 =
24. 24.Best estimate of 59 × 42? (a) 24000 (b) 240 (c) 2400
25. 25.24² =
26. 26.16 + 9 =
27. 27.You buy a water bottle for ₹447 and pay with a ₹500 note. How much change do you get, in rupees?
28. 28.305 + 99 =
29. 29.55 laddoos are packed in boxes of 4. How many laddoos are left over?
30. 30.46 + 7 =
31. 31.12² =
32. 32.260 ÷ 4 =
33. 33.29 + ? = 100
34. 34.A train leaves at 5:35 and reaches the next city at 6:35. How many minutes is the journey?
35. 35.10% of ₹670 =
36. 36.50% of ₹260 =
37. 37.Double 71 =
38. 38.198 − 99 =
39. 39.52 + 21 =
40. 40.81 + 25 =

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