Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 113 · 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.Double 71 =
2. 2.10% of ₹70 =
3. 3.35 × 8 =
4. 4.You buy a kite for ₹75 and pay with a ₹100 note. How much change do you get, in rupees?
5. 5.86 − 42 =
6. 6.5% of ₹550 =
7. 7.85 − 57 =
8. 8.Double 31 =
9. 9.26² =
10. 10.155 ÷ 5 =
11. 11.Half of 134 =
12. 12.25² =
13. 13.88 + 6 =
14. 14.17 + ? = 100
15. 15.You buy a kite for ₹163 and pay with a ₹500 note. How much change do you get, in rupees?
16. 16.You buy a kite for ₹21 and a pen for ₹20. You pay with a ₹100 note. How much change do you get, in rupees?
17. 17.35 + 6 =
18. 18.52 + 29 =
19. 19.80 − 35 =
20. 20.51 + 19 =
21. 21.10% of ₹670 =
22. 22.39 laddoos are packed in boxes of 4. How many laddoos are left over?
23. 23.232 ÷ 8 =
24. 24.88 − 67 =
25. 25.What is the remainder when 94 is divided by 9?
26. 26.56 ÷ 4 =
27. 27.48 ÷ 4 =
28. 28.71 × 7 =
29. 29.7 + 6 =
30. 30.63 − 12 =
31. 31.39 laddoos are packed in boxes of 6. How many laddoos are left over?
32. 32.92 × 4 =
33. 33.33 × 8 =
34. 34.144 ÷ 4 =
35. 35.60 − 41 =
36. 36.You buy a pencil box for ₹11 and a pen for ₹23. You pay with a ₹100 note. How much change do you get, in rupees?
37. 37.35 × 4 =
38. 38.26 + 9 =
39. 39.176 ÷ 8 =
40. 40.Half of 88 =

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