Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 697 · 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. 1.27 laddoos are packed in boxes of 6. How many laddoos are left over?
2. 2.Half of 82 =
3. 3.36 + 5 =
4. 4.588 ÷ 6 =
5. 5.Half of 86 =
6. 6.47 + ? = 100
7. 7.A train leaves at 7:15 and reaches the next city at 8:00. How many minutes is the journey?
8. 8.What is the remainder when 13 is divided by 3?
9. 9.34 + 19 =
10. 10.A film starts at 2:55 and ends at 5:25. How many minutes long is the film?
11. 11.9 + 10 =
12. 12.Best estimate of 313 + 232? (a) 500 (b) 700 (c) 300
13. 13.15 × 4 =
14. 14.594 ÷ 6 =
15. 15.15 × 8 =
16. 16.17 × 8 =
17. 17.92 − 38 =
18. 18.35 × 8 =
19. 19.6 + ? = 10
20. 20.89 + 31 =
21. 21.What is the remainder when 63 is divided by 4?
22. 22.2 + ? = 10
23. 23.Best estimate of 28 × 91? (a) 2700 (b) 27000 (c) 270
24. 24.A cricket match starts at 2:40 and the first innings ends at 3:25. How many minutes did the innings last?
25. 25.22² =
26. 26.16 + 17 =
27. 27.24 − 19 =
28. 28.84 − 55 =
29. 29.Half of 176 =
30. 30.308 − 278 =
31. 31.Double 78 =
32. 32.A cricket match starts at 6:00 and the first innings ends at 6:25. How many minutes did the innings last?
33. 33.50% of ₹630 =
34. 34.19 + 3 =
35. 35.42 + 42 =
36. 36.196 ÷ 4 =
37. 37.6 + 8 =
38. 38.61 children stand in rows of 6. How many full rows can they make?
39. 39.10 + 11 =
40. 40.40 + 51 =

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