Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 445 · 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. 1.77 × 9 =
2. 2.434 ÷ 7 =
3. 3.74 × 7 =
4. 4.317 − 294 =
5. 5.59 + 7 =
6. 6.A train leaves at 3:10 and reaches the next city at 5:00. How many minutes is the journey?
7. 7.Double 74 =
8. 8.81 + ? = 100
9. 9.104 ÷ 8 =
10. 10.330 − 285 =
11. 11.5% of ₹180 =
12. 12.96 − 14 =
13. 13.68 × 4 =
14. 14.504 − 494 =
15. 15.95 − 63 =
16. 16.46 + 17 =
17. 17.9 + 10 =
18. 18.You start your homework at 3:40 and finish at 4:55. How many minutes did you work?
19. 19.27 + ? = 100
20. 20.450 − 99 =
21. 21.95 − 34 =
22. 22.102 − 62 =
23. 23.26 + 27 =
24. 24.10% of ₹870 =
25. 25.61 − 9 =
26. 26.54 + 59 =
27. 27.You buy a storybook for ₹51 and pay with a ₹100 note. How much change do you get, in rupees?
28. 28.52 − 34 =
29. 29.5% of ₹400 =
30. 30.106 − 78 =
31. 31.81 − 65 =
32. 32.5 + 6 =
33. 33.Best estimate of 533 + 263? (a) 800 (b) 1000 (c) 600
34. 34.64 − 29 =
35. 35.Best estimate of 788 + 806? (a) 1600 (b) 1800 (c) 1400
36. 36.49 laddoos are packed in boxes of 6. How many laddoos are left over?
37. 37.25 + 73 =
38. 38.23² =
39. 39.57 + 6 =
40. 40.You buy a pencil box for ₹77 and pay with a ₹100 note. How much change do you get, in rupees?

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths