Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 797 · 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. 1.223 − 184 =
2. 2.8 + ? = 10
3. 3.35 × 8 =
4. 4.507 − 484 =
5. 5.Double 91 =
6. 6.50% of ₹60 =
7. 7.52 ÷ 4 =
8. 8.25% of ₹350 =
9. 9.A train leaves at 3:20 and reaches the next city at 5:00. How many minutes is the journey?
10. 10.36 − 9 =
11. 11.46 children stand in rows of 7. How many full rows can they make?
12. 12.663 − 99 =
13. 13.5% of ₹550 =
14. 14.96 − 32 =
15. 15.A cricket match starts at 5:30 and the first innings ends at 8:05. How many minutes did the innings last?
16. 16.172 ÷ 4 =
17. 17.160 ÷ 8 =
18. 18.200 ÷ 8 =
19. 19.96 − 60 =
20. 20.81 × 3 =
21. 21.A film starts at 1:40 and ends at 3:05. How many minutes long is the film?
22. 22.14 + 16 =
23. 23.80 + 47 =
24. 24.16 × 8 =
25. 25.32 + ? = 100
26. 26.82 − 35 =
27. 27.Double 71 =
28. 28.Double 16 =
29. 29.Half of 84 =
30. 30.64 − 40 =
31. 31.1024 − 982 =
32. 32.What is the remainder when 118 is divided by 8?
33. 33.76 laddoos are packed in boxes of 7. How many laddoos are left over?
34. 34.16 + 15 =
35. 35.72 + ? = 100
36. 36.Best estimate of 39 × 26? (a) 1200 (b) 12000 (c) 120
37. 37.A film starts at 3:35 and ends at 6:35. How many minutes long is the film?
38. 38.You buy a notebook for ₹14 and pay with a ₹100 note. How much change do you get, in rupees?
39. 39.78 × 8 =
40. 40.89 + 6 =

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