Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 998 · 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 + ? = 100
2. 2.34 + ? = 100
3. 3.112 − 81 =
4. 4.46 + 5 =
5. 5.You buy a box of crayons for ₹132 and pay with a ₹500 note. How much change do you get, in rupees?
6. 6.59 + 6 =
7. 7.57 + ? = 100
8. 8.A cricket match starts at 6:45 and the first innings ends at 7:15. How many minutes did the innings last?
9. 9.33 + ? = 100
10. 10.54 + 29 =
11. 11.66 − 28 =
12. 12.You buy a box of crayons for ₹268 and pay with a ₹500 note. How much change do you get, in rupees?
13. 13.You buy a kite for ₹35 and pay with a ₹100 note. How much change do you get, in rupees?
14. 14.A cricket match starts at 5:45 and the first innings ends at 8:30. How many minutes did the innings last?
15. 15.26 + 25 =
16. 16.57 laddoos are packed in boxes of 5. How many laddoos are left over?
17. 17.85 + 8 =
18. 18.106 − 63 =
19. 19.107 − 75 =
20. 20.Half of 62 =
21. 21.You buy a storybook for ₹36 and a pen for ₹44. You pay with a ₹100 note. How much change do you get, in rupees?
22. 22.50% of ₹270 =
23. 23.58 + 4 =
24. 24.133 ÷ 7 =
25. 25.50% of ₹230 =
26. 26.28 + 4 =
27. 27.10% of ₹380 =
28. 28.You buy a cricket ball for ₹54 and pay with a ₹100 note. How much change do you get, in rupees?
29. 29.3 + ? = 10
30. 30.99 × 3 =
31. 31.15 + ? = 100
32. 32.You buy a notebook for ₹305 and pay with a ₹500 note. How much change do you get, in rupees?
33. 33.71 × 4 =
34. 34.72 − 49 =
35. 35.9 + ? = 10
36. 36.59 × 8 =
37. 37.86 − 75 =
38. 38.328 ÷ 8 =
39. 39.A train leaves at 4:00 and reaches the next city at 6:30. How many minutes is the journey?
40. 40.25% of ₹730 =

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