Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 179 · 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. 1.49 + 8 =
2. 2.119 − 94 =
3. 3.78 + 6 =
4. 4.10% of ₹880 =
5. 5.You buy a kite for ₹13 and a pen for ₹38. You pay with a ₹100 note. How much change do you get, in rupees?
6. 6.10 + 9 =
7. 7.1014 − 994 =
8. 8.Double 94 =
9. 9.14² =
10. 10.27² =
11. 11.57 × 7 =
12. 12.86 − 38 =
13. 13.A train leaves at 7:50 and reaches the next city at 9:35. How many minutes is the journey?
14. 14.16² =
15. 15.10% of ₹240 =
16. 16.What is the remainder when 86 is divided by 7?
17. 17.69 + 6 =
18. 18.86 + 9 =
19. 19.152 ÷ 8 =
20. 20.531 ÷ 9 =
21. 21.55 + 7 =
22. 22.A cricket match starts at 5:20 and the first innings ends at 8:30. How many minutes did the innings last?
23. 23.208 ÷ 8 =
24. 24.50% of ₹760 =
25. 25.You buy a water bottle for ₹141 and pay with a ₹500 note. How much change do you get, in rupees?
26. 26.85 + 8 =
27. 27.67 − 15 =
28. 28.64 laddoos are packed in boxes of 5. How many laddoos are left over?
29. 29.623 ÷ 7 =
30. 30.71 × 9 =
31. 31.497 ÷ 7 =
32. 32.46 + ? = 100
33. 33.14 + 9 =
34. 34.A train leaves at 2:20 and reaches the next city at 4:35. How many minutes is the journey?
35. 35.67 − 29 =
36. 36.160 ÷ 5 =
37. 37.6 + 6 =
38. 38.Half of 198 =
39. 39.8 + ? = 10
40. 40.You buy a box of crayons for ₹386 and pay with a ₹500 note. How much change do you get, in rupees?

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