Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 430 · 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. 1.88 ÷ 8 =
2. 2.A cricket match starts at 3:30 and the first innings ends at 6:15. How many minutes did the innings last?
3. 3.12 × 7 =
4. 4.192 ÷ 6 =
5. 5.5 + ? = 10
6. 6.168 ÷ 4 =
7. 7.7 + 6 =
8. 8.A film starts at 2:15 and ends at 4:30. How many minutes long is the film?
9. 9.5% of ₹130 =
10. 10.322 − 278 =
11. 11.9 + ? = 10
12. 12.70 − 46 =
13. 13.Double 57 =
14. 14.58 × 4 =
15. 15.675 + 99 =
16. 16.30 + 29 =
17. 17.52 × 4 =
18. 18.70 − 19 =
19. 19.You start your homework at 5:25 and finish at 5:50. How many minutes did you work?
20. 20.39 + 26 =
21. 21.Best estimate of 73 × 64? (a) 42000 (b) 4200 (c) 420
22. 22.62 − 19 =
23. 23.You buy a notebook for ₹185 and pay with a ₹500 note. How much change do you get, in rupees?
24. 24.248 ÷ 8 =
25. 25.A train leaves at 6:10 and reaches the next city at 9:15. How many minutes is the journey?
26. 26.27 × 4 =
27. 27.23² =
28. 28.22 × 4 =
29. 29.75 × 3 =
30. 30.34 − 9 =
31. 31.41 + 27 =
32. 32.124 ÷ 4 =
33. 33.1027 − 988 =
34. 34.You buy a cricket ball for ₹84 and pay with a ₹100 note. How much change do you get, in rupees?
35. 35.Half of 92 =
36. 36.80 − 28 =
37. 37.10% of ₹690 =
38. 38.40 + 44 =
39. 39.388 + 99 =
40. 40.62 × 4 =

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