Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 58 · 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. 1.55 + 6 =
2. 2.46 + 29 =
3. 3.A cricket match starts at 1:05 and the first innings ends at 1:35. How many minutes did the innings last?
4. 4.25% of ₹110 =
5. 5.96 ÷ 3 =
6. 6.348 ÷ 4 =
7. 7.41 × 4 =
8. 8.42 × 6 =
9. 9.Double 51 =
10. 10.31 × 9 =
11. 11.What is the remainder when 90 is divided by 7?
12. 12.A cricket match starts at 7:00 and the first innings ends at 10:20. How many minutes did the innings last?
13. 13.219 − 195 =
14. 14.You buy a kite for ₹15 and a pen for ₹29. You pay with a ₹100 note. How much change do you get, in rupees?
15. 15.13 + ? = 100
16. 16.5% of ₹470 =
17. 17.14² =
18. 18.275 + 99 =
19. 19.72 children stand in rows of 7. How many full rows can they make?
20. 20.72 + 19 =
21. 21.A train leaves at 1:00 and reaches the next city at 2:55. How many minutes is the journey?
22. 22.9 + 5 =
23. 23.You buy a pencil box for ₹59 and pay with a ₹100 note. How much change do you get, in rupees?
24. 24.24 + 25 =
25. 25.28 + ? = 100
26. 26.84 − 17 =
27. 27.53 − 29 =
28. 28.79 − 36 =
29. 29.305 ÷ 5 =
30. 30.232 ÷ 4 =
31. 31.55 + 9 =
32. 32.29² =
33. 33.256 ÷ 8 =
34. 34.77 + ? = 100
35. 35.684 ÷ 9 =
36. 36.13 + 12 =
37. 37.68 ÷ 4 =
38. 38.34 + 31 =
39. 39.29 × 4 =
40. 40.You buy a bag of mangoes for ₹56 and pay with a ₹100 note. How much change do you get, in rupees?

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