Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 120 · 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. 1.96 ÷ 8 =
2. 2.66 + 29 =
3. 3.46 + 17 =
4. 4.2 + ? = 10
5. 5.88 + 9 =
6. 6.Best estimate of 319 + 824? (a) 1300 (b) 900 (c) 1100
7. 7.35 × 4 =
8. 8.Double 61 =
9. 9.164 ÷ 4 =
10. 10.16² =
11. 11.What is the remainder when 34 is divided by 4?
12. 12.80 − 31 =
13. 13.89 + 8 =
14. 14.25 children stand in rows of 4. How many full rows can they make?
15. 15.54 + 53 =
16. 16.80 ÷ 4 =
17. 17.What is the remainder when 45 is divided by 6?
18. 18.You buy a storybook for ₹66 and pay with a ₹100 note. How much change do you get, in rupees?
19. 19.76 − 23 =
20. 20.10 + 12 =
21. 21.76 ÷ 4 =
22. 22.20 + 29 =
23. 23.What is the remainder when 50 is divided by 4?
24. 24.42 + 23 =
25. 25.64 × 3 =
26. 26.108 ÷ 4 =
27. 27.86 laddoos are packed in boxes of 6. How many laddoos are left over?
28. 28.55 laddoos are packed in boxes of 4. How many laddoos are left over?
29. 29.9 + 4 =
30. 30.58 − 35 =
31. 31.61 × 4 =
32. 32.256 ÷ 4 =
33. 33.Double 79 =
34. 34.39 + 33 =
35. 35.32 × 5 =
36. 36.21 laddoos are packed in boxes of 5. How many laddoos are left over?
37. 37.21 + 25 =
38. 38.58 × 6 =
39. 39.35 + 6 =
40. 40.58 + 32 =

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