Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 163 · 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.A train leaves at 2:05 and reaches the next city at 4:50. How many minutes is the journey?
2. 2.25% of ₹690 =
3. 3.You buy a pencil box for ₹173 and pay with a ₹500 note. How much change do you get, in rupees?
4. 4.Double 91 =
5. 5.You buy a pencil box for ₹26 and a pen for ₹32. You pay with a ₹100 note. How much change do you get, in rupees?
6. 6.42 + 9 =
7. 7.260 ÷ 4 =
8. 8.78 − 39 =
9. 9.56 × 4 =
10. 10.Half of 44 =
11. 11.75 − 58 =
12. 12.50 + 72 =
13. 13.52 − 14 =
14. 14.74 + 29 =
15. 15.68 laddoos are packed in boxes of 8. How many laddoos are left over?
16. 16.You buy a notebook for ₹91 and pay with a ₹100 note. How much change do you get, in rupees?
17. 17.8 + 3 =
18. 18.11 + 10 =
19. 19.9 + 10 =
20. 20.14 × 8 =
21. 21.3 + ? = 10
22. 22.A film starts at 8:30 and ends at 9:35. How many minutes long is the film?
23. 23.5% of ₹50 =
24. 24.11² =
25. 25.You start your homework at 8:25 and finish at 9:15. How many minutes did you work?
26. 26.A film starts at 3:10 and ends at 6:30. How many minutes long is the film?
27. 27.72 − 48 =
28. 28.50% of ₹40 =
29. 29.232 ÷ 8 =
30. 30.Best estimate of 66 × 57? (a) 42000 (b) 4200 (c) 420
31. 31.67 − 43 =
32. 32.12 + ? = 100
33. 33.What is the remainder when 43 is divided by 3?
34. 34.28 × 9 =
35. 35.864 ÷ 9 =
36. 36.What is the remainder when 45 is divided by 4?
37. 37.Best estimate of 32 × 97? (a) 3000 (b) 30000 (c) 300
38. 38.Double 39 =
39. 39.21² =
40. 40.228 ÷ 4 =

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