Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 706 · 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. 1.128 ÷ 8 =
2. 2.6 + 7 =
3. 3.Double 94 =
4. 4.312 ÷ 8 =
5. 5.684 ÷ 9 =
6. 6.25% of ₹890 =
7. 7.56 ÷ 4 =
8. 8.18² =
9. 9.140 ÷ 4 =
10. 10.You buy a cricket ball for ₹86 and pay with a ₹100 note. How much change do you get, in rupees?
11. 11.A film starts at 3:00 and ends at 6:10. How many minutes long is the film?
12. 12.29 + 5 =
13. 13.3 + ? = 10
14. 14.48 + 81 =
15. 15.47 × 3 =
16. 16.Best estimate of 29 × 72? (a) 21000 (b) 2100 (c) 210
17. 17.184 + 99 =
18. 18.180 ÷ 4 =
19. 19.You buy a bag of mangoes for ₹26 and pay with a ₹100 note. How much change do you get, in rupees?
20. 20.224 ÷ 8 =
21. 21.10% of ₹220 =
22. 22.49 − 29 =
23. 23.96 − 72 =
24. 24.You buy a notebook for ₹52 and pay with a ₹100 note. How much change do you get, in rupees?
25. 25.6 + 9 =
26. 26.10% of ₹280 =
27. 27.You buy a cricket ball for ₹438 and pay with a ₹500 note. How much change do you get, in rupees?
28. 28.10% of ₹330 =
29. 29.773 − 99 =
30. 30.Half of 86 =
31. 31.7 + ? = 10
32. 32.Double 45 =
33. 33.52 − 48 =
34. 34.71 laddoos are packed in boxes of 5. How many laddoos are left over?
35. 35.319 − 295 =
36. 36.83 + 15 =
37. 37.41 children stand in rows of 4. How many full rows can they make?
38. 38.You buy a water bottle for ₹45 and a pen for ₹21. You pay with a ₹100 note. How much change do you get, in rupees?
39. 39.14 + 19 =
40. 40.82 − 45 =

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