Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 939 · 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. 1.5% of ₹580 =
2. 2.132 ÷ 6 =
3. 3.65 − 48 =
4. 4.79 − 15 =
5. 5.What is the remainder when 47 is divided by 4?
6. 6.44 + 19 =
7. 7.56 × 4 =
8. 8.570 ÷ 6 =
9. 9.7 + ? = 10
10. 10.42 + 21 =
11. 11.17 + 5 =
12. 12.50% of ₹350 =
13. 13.You buy a storybook for ₹413 and pay with a ₹500 note. How much change do you get, in rupees?
14. 14.13 × 8 =
15. 15.You start your homework at 8:25 and finish at 11:15. How many minutes did you work?
16. 16.84 + 51 =
17. 17.70 + 37 =
18. 18.41 children stand in rows of 7. How many full rows can they make?
19. 19.51 laddoos are packed in boxes of 6. How many laddoos are left over?
20. 20.232 ÷ 8 =
21. 21.48 − 29 =
22. 22.What is the remainder when 71 is divided by 5?
23. 23.Best estimate of 286 + 866? (a) 1000 (b) 1400 (c) 1200
24. 24.61 + 19 =
25. 25.28 + 27 =
26. 26.96 children stand in rows of 7. How many full rows can they make?
27. 27.83 + 36 =
28. 28.You buy a cricket ball for ₹92 and pay with a ₹100 note. How much change do you get, in rupees?
29. 29.78 + 4 =
30. 30.Best estimate of 549 + 807? (a) 1300 (b) 1500 (c) 1100
31. 31.276 ÷ 4 =
32. 32.89 − 65 =
33. 33.44 + 53 =
34. 34.6 + 5 =
35. 35.107 − 29 =
36. 36.17 + 9 =
37. 37.96 − 14 =
38. 38.1028 − 998 =
39. 39.5 + 8 =
40. 40.10 + 12 =

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