Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 479 · 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. 1.109 − 69 =
2. 2.159 ÷ 3 =
3. 3.352 ÷ 4 =
4. 4.6 + ? = 10
5. 5.84 + ? = 100
6. 6.20 + 22 =
7. 7.2 + ? = 10
8. 8.27² =
9. 9.31 × 4 =
10. 10.Half of 162 =
11. 11.67 + 8 =
12. 12.48 ÷ 4 =
13. 13.73 × 4 =
14. 14.64 − 32 =
15. 15.26 × 8 =
16. 16.102 children stand in rows of 8. How many full rows can they make?
17. 17.What is the remainder when 98 is divided by 8?
18. 18.You buy a storybook for ₹90 and pay with a ₹100 note. How much change do you get, in rupees?
19. 19.325 ÷ 5 =
20. 20.172 ÷ 4 =
21. 21.68 + 6 =
22. 22.16 + 17 =
23. 23.What is the remainder when 105 is divided by 8?
24. 24.77 + 9 =
25. 25.Best estimate of 599 + 267? (a) 1100 (b) 900 (c) 700
26. 26.Half of 64 =
27. 27.50 + ? = 100
28. 28.430 − 99 =
29. 29.A cricket match starts at 3:15 and the first innings ends at 3:50. How many minutes did the innings last?
30. 30.13 × 7 =
31. 31.You buy a storybook for ₹155 and pay with a ₹500 note. How much change do you get, in rupees?
32. 32.5% of ₹490 =
33. 33.32 + 52 =
34. 34.76 + 29 =
35. 35.30 + 31 =
36. 36.28² =
37. 37.63 × 4 =
38. 38.18 + 4 =
39. 39.17 + 19 =
40. 40.38 laddoos are packed in boxes of 4. How many laddoos are left over?

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths