Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 331 · 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. 1.510 − 475 =
2. 2.A cricket match starts at 8:35 and the first innings ends at 11:00. How many minutes did the innings last?
3. 3.Half of 94 =
4. 4.75 − 21 =
5. 5.12 × 4 =
6. 6.62 + 19 =
7. 7.You buy a kite for ₹172 and pay with a ₹500 note. How much change do you get, in rupees?
8. 8.What is the remainder when 76 is divided by 8?
9. 9.88 children stand in rows of 6. How many full rows can they make?
10. 10.75 + 29 =
11. 11.320 ÷ 8 =
12. 12.34 children stand in rows of 4. How many full rows can they make?
13. 13.67 + 83 =
14. 14.You buy a cricket ball for ₹15 and a pen for ₹24. You pay with a ₹100 note. How much change do you get, in rupees?
15. 15.What is the remainder when 40 is divided by 3?
16. 16.19 + ? = 100
17. 17.24² =
18. 18.28 + 84 =
19. 19.390 ÷ 5 =
20. 20.50% of ₹510 =
21. 21.31 × 8 =
22. 22.35 + 19 =
23. 23.8 + ? = 10
24. 24.10% of ₹170 =
25. 25.59 − 46 =
26. 26.16 − 9 =
27. 27.Double 28 =
28. 28.87 − 75 =
29. 29.You buy a pencil box for ₹28 and a pen for ₹33. You pay with a ₹100 note. How much change do you get, in rupees?
30. 30.You buy a notebook for ₹329 and pay with a ₹500 note. How much change do you get, in rupees?
31. 31.Double 52 =
32. 32.You buy a cricket ball for ₹58 and pay with a ₹100 note. How much change do you get, in rupees?
33. 33.14 × 6 =
34. 34.4 + ? = 10
35. 35.76 + 6 =
36. 36.3 + ? = 10
37. 37.47 × 5 =
38. 38.24 × 5 =
39. 39.144 ÷ 8 =
40. 40.109 − 76 =

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