Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 362 · 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. 1.44 + ? = 100
2. 2.You buy a kite for ₹28 and a pen for ₹33. You pay with a ₹100 note. How much change do you get, in rupees?
3. 3.You start your homework at 6:15 and finish at 7:50. How many minutes did you work?
4. 4.Double 44 =
5. 5.27 + 19 =
6. 6.A train leaves at 5:10 and reaches the next city at 6:15. How many minutes is the journey?
7. 7.46 children stand in rows of 5. How many full rows can they make?
8. 8.Best estimate of 16 × 23? (a) 40 (b) 4000 (c) 400
9. 9.78 − 43 =
10. 10.17 + 19 =
11. 11.10 + 12 =
12. 12.6 + 7 =
13. 13.58 × 7 =
14. 14.4 + ? = 10
15. 15.69 + 19 =
16. 16.Half of 76 =
17. 17.Double 81 =
18. 18.32 × 4 =
19. 19.11² =
20. 20.3 + ? = 10
21. 21.What is the remainder when 53 is divided by 7?
22. 22.106 − 92 =
23. 23.23 × 8 =
24. 24.72 + 38 =
25. 25.20 + 22 =
26. 26.14 laddoos are packed in boxes of 3. How many laddoos are left over?
27. 27.A cricket match starts at 1:55 and the first innings ends at 3:05. How many minutes did the innings last?
28. 28.68 + 9 =
29. 29.75 − 55 =
30. 30.What is the remainder when 31 is divided by 3?
31. 31.25% of ₹110 =
32. 32.68 − 42 =
33. 33.21 × 9 =
34. 34.208 ÷ 8 =
35. 35.35 + 7 =
36. 36.44 children stand in rows of 7. How many full rows can they make?
37. 37.37 + 9 =
38. 38.59 + ? = 100
39. 39.57 children stand in rows of 6. How many full rows can they make?
40. 40.You buy a water bottle for ₹91 and pay with a ₹100 note. How much change do you get, in rupees?

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