Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 591 · 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. 1.514 − 489 =
2. 2.Best estimate of 67 × 14? (a) 700 (b) 7000 (c) 70
3. 3.31 × 4 =
4. 4.72 laddoos are packed in boxes of 5. How many laddoos are left over?
5. 5.You buy a kite for ₹44 and a pen for ₹13. You pay with a ₹100 note. How much change do you get, in rupees?
6. 6.25 + 24 =
7. 7.14 × 8 =
8. 8.50% of ₹150 =
9. 9.89 + 22 =
10. 10.Half of 66 =
11. 11.You buy a notebook for ₹17 and a pen for ₹34. You pay with a ₹100 note. How much change do you get, in rupees?
12. 12.25² =
13. 13.188 ÷ 4 =
14. 14.35 + 8 =
15. 15.153 ÷ 3 =
16. 16.39 × 8 =
17. 17.236 + 99 =
18. 18.2 + ? = 10
19. 19.202 − 183 =
20. 20.65 + 8 =
21. 21.A train leaves at 6:55 and reaches the next city at 8:15. How many minutes is the journey?
22. 22.A film starts at 1:10 and ends at 4:30. How many minutes long is the film?
23. 23.22 + 24 =
24. 24.77 + 9 =
25. 25.10% of ₹300 =
26. 26.60 − 19 =
27. 27.You buy a kite for ₹91 and pay with a ₹100 note. How much change do you get, in rupees?
28. 28.55 − 21 =
29. 29.57 × 9 =
30. 30.27 + 57 =
31. 31.82 × 3 =
32. 32.24² =
33. 33.79 − 53 =
34. 34.264 ÷ 8 =
35. 35.25% of ₹380 =
36. 36.91 children stand in rows of 8. How many full rows can they make?
37. 37.8 + 9 =
38. 38.You buy a kite for ₹31 and pay with a ₹100 note. How much change do you get, in rupees?
39. 39.25 + 9 =
40. 40.32 + 52 =

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