Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 619 · 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 1:55 and reaches the next city at 4:10. How many minutes is the journey?
2. 2.26 × 5 =
3. 3.75 + 6 =
4. 4.Half of 154 =
5. 5.A film starts at 3:20 and ends at 6:10. How many minutes long is the film?
6. 6.You buy a kite for ₹39 and pay with a ₹100 note. How much change do you get, in rupees?
7. 7.What is the remainder when 61 is divided by 6?
8. 8.14² =
9. 9.22 × 9 =
10. 10.35 children stand in rows of 6. How many full rows can they make?
11. 11.86 − 19 =
12. 12.10% of ₹280 =
13. 13.Half of 64 =
14. 14.A train leaves at 5:50 and reaches the next city at 8:30. How many minutes is the journey?
15. 15.32 × 8 =
16. 16.43 − 19 =
17. 17.13 laddoos are packed in boxes of 3. How many laddoos are left over?
18. 18.22² =
19. 19.651 ÷ 7 =
20. 20.8 + ? = 10
21. 21.Double 81 =
22. 22.65 − 9 =
23. 23.23² =
24. 24.20 × 8 =
25. 25.65 − 51 =
26. 26.322 − 287 =
27. 27.5 + 6 =
28. 28.You buy a water bottle for ₹12 and a pen for ₹30. You pay with a ₹100 note. How much change do you get, in rupees?
29. 29.50% of ₹540 =
30. 30.272 ÷ 8 =
31. 31.2 + ? = 10
32. 32.81 × 3 =
33. 33.12² =
34. 34.You buy a cricket ball for ₹61 and pay with a ₹100 note. How much change do you get, in rupees?
35. 35.62 − 43 =
36. 36.31 children stand in rows of 3. How many full rows can they make?
37. 37.26² =
38. 38.5% of ₹140 =
39. 39.38 × 8 =
40. 40.Best estimate of 77 × 76? (a) 64000 (b) 640 (c) 6400

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