Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 341 · 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.You buy a kite for ₹475 and pay with a ₹500 note. How much change do you get, in rupees?
2. 2.A train leaves at 1:35 and reaches the next city at 3:30. How many minutes is the journey?
3. 3.301 − 294 =
4. 4.15² =
5. 5.17² =
6. 6.17 + 19 =
7. 7.50% of ₹560 =
8. 8.37 laddoos are packed in boxes of 3. How many laddoos are left over?
9. 9.55 × 4 =
10. 10.1 + ? = 10
11. 11.86 − 64 =
12. 12.Half of 86 =
13. 13.118 − 95 =
14. 14.25% of ₹290 =
15. 15.3 + ? = 10
16. 16.29² =
17. 17.Double 48 =
18. 18.Double 17 =
19. 19.1008 − 986 =
20. 20.58 + 19 =
21. 21.78 − 49 =
22. 22.106 − 90 =
23. 23.12 + 13 =
24. 24.You buy a cricket ball for ₹86 and pay with a ₹100 note. How much change do you get, in rupees?
25. 25.10% of ₹780 =
26. 26.26 + 25 =
27. 27.72 ÷ 4 =
28. 28.70 + ? = 100
29. 29.6 + 7 =
30. 30.67 − 9 =
31. 31.Half of 30 =
32. 32.85 + 27 =
33. 33.Best estimate of 64 × 26? (a) 18000 (b) 1800 (c) 180
34. 34.You buy a pencil box for ₹131 and pay with a ₹500 note. How much change do you get, in rupees?
35. 35.81 + 41 =
36. 36.222 ÷ 3 =
37. 37.65 − 31 =
38. 38.29 + 4 =
39. 39.7 + 8 =
40. 40.14 + 13 =

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