Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 969 · 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. 1.104 − 72 =
2. 2.52 + 62 =
3. 3.305 − 289 =
4. 4.24 − 19 =
5. 5.Half of 94 =
6. 6.256 ÷ 8 =
7. 7.23 × 8 =
8. 8.83 + 83 =
9. 9.10% of ₹540 =
10. 10.You buy a water bottle for ₹358 and pay with a ₹500 note. How much change do you get, in rupees?
11. 11.43 laddoos are packed in boxes of 4. How many laddoos are left over?
12. 12.50% of ₹230 =
13. 13.388 ÷ 4 =
14. 14.What is the remainder when 57 is divided by 9?
15. 15.13 × 4 =
16. 16.10% of ₹480 =
17. 17.128 ÷ 8 =
18. 18.88 × 3 =
19. 19.100 ÷ 4 =
20. 20.26² =
21. 21.A film starts at 4:00 and ends at 5:15. How many minutes long is the film?
22. 22.You buy a bag of mangoes for ₹253 and pay with a ₹500 note. How much change do you get, in rupees?
23. 23.81 − 15 =
24. 24.50% of ₹150 =
25. 25.96 ÷ 8 =
26. 26.164 ÷ 4 =
27. 27.You buy a kite for ₹11 and pay with a ₹100 note. How much change do you get, in rupees?
28. 28.1 + ? = 10
29. 29.Best estimate of 296 + 280? (a) 800 (b) 400 (c) 600
30. 30.18² =
31. 31.35 × 8 =
32. 32.85 + 6 =
33. 33.227 − 175 =
34. 34.75 + 9 =
35. 35.50 × 4 =
36. 36.19 + 6 =
37. 37.10% of ₹630 =
38. 38.Double 53 =
39. 39.55 − 26 =
40. 40.Half of 116 =

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