Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 412 · 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. 1.40 × 8 =
2. 2.25 + 6 =
3. 3.45 + 6 =
4. 4.8 + ? = 10
5. 5.50% of ₹120 =
6. 6.62 − 35 =
7. 7.Best estimate of 804 + 304? (a) 1300 (b) 900 (c) 1100
8. 8.200 ÷ 8 =
9. 9.35 children stand in rows of 4. How many full rows can they make?
10. 10.You buy a cricket ball for ₹251 and pay with a ₹500 note. How much change do you get, in rupees?
11. 11.You start your homework at 5:40 and finish at 8:20. How many minutes did you work?
12. 12.A train leaves at 3:00 and reaches the next city at 5:35. How many minutes is the journey?
13. 13.A cricket match starts at 8:35 and the first innings ends at 11:10. How many minutes did the innings last?
14. 14.Double 35 =
15. 15.29 + ? = 100
16. 16.12 + 13 =
17. 17.17 + 18 =
18. 18.44 + 12 =
19. 19.22 × 4 =
20. 20.65 + 6 =
21. 21.18 × 8 =
22. 22.23 − 19 =
23. 23.18 + 20 =
24. 24.38 × 7 =
25. 25.325 − 297 =
26. 26.12² =
27. 27.39 + 34 =
28. 28.Double 53 =
29. 29.You buy a cricket ball for ₹14 and a pen for ₹39. You pay with a ₹100 note. How much change do you get, in rupees?
30. 30.69 + ? = 100
31. 31.57 + 7 =
32. 32.A cricket match starts at 2:00 and the first innings ends at 4:50. How many minutes did the innings last?
33. 33.25% of ₹470 =
34. 34.23 + 24 =
35. 35.67 − 19 =
36. 36.220 − 180 =
37. 37.58 − 46 =
38. 38.36 + 9 =
39. 39.184 ÷ 8 =
40. 40.13 + ? = 100

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