Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 112 · 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.Double 88 =
2. 2.1029 − 984 =
3. 3.11 + 13 =
4. 4.You buy a box of crayons for ₹444 and pay with a ₹500 note. How much change do you get, in rupees?
5. 5.49 × 3 =
6. 6.You buy a water bottle for ₹338 and pay with a ₹500 note. How much change do you get, in rupees?
7. 7.184 ÷ 4 =
8. 8.You start your homework at 7:45 and finish at 8:25. How many minutes did you work?
9. 9.5 + 9 =
10. 10.Double 26 =
11. 11.305 ÷ 5 =
12. 12.10 + 12 =
13. 13.You buy a notebook for ₹339 and pay with a ₹500 note. How much change do you get, in rupees?
14. 14.582 + 99 =
15. 15.16 + ? = 100
16. 16.192 ÷ 8 =
17. 17.6 + ? = 10
18. 18.63 + 69 =
19. 19.79 + ? = 100
20. 20.152 ÷ 8 =
21. 21.What is the remainder when 23 is divided by 5?
22. 22.40 children stand in rows of 6. How many full rows can they make?
23. 23.11² =
24. 24.A film starts at 1:05 and ends at 3:45. How many minutes long is the film?
25. 25.What is the remainder when 51 is divided by 9?
26. 26.16 + 15 =
27. 27.A cricket match starts at 3:55 and the first innings ends at 4:50. How many minutes did the innings last?
28. 28.Best estimate of 677 + 506? (a) 1200 (b) 1000 (c) 1400
29. 29.320 ÷ 8 =
30. 30.Double 31 =
31. 31.56 + 19 =
32. 32.89 + 71 =
33. 33.196 ÷ 4 =
34. 34.37 + 13 =
35. 35.97 × 6 =
36. 36.Double 46 =
37. 37.60 − 25 =
38. 38.99 − 49 =
39. 39.192 ÷ 4 =
40. 40.31 × 4 =

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