Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 954 · 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. 1.14 + 15 =
2. 2.10% of ₹720 =
3. 3.You buy a cricket ball for ₹39 and a pen for ₹30. You pay with a ₹100 note. How much change do you get, in rupees?
4. 4.477 ÷ 9 =
5. 5.17² =
6. 6.24 + ? = 100
7. 7.Double 39 =
8. 8.Best estimate of 59 × 83? (a) 4800 (b) 480 (c) 48000
9. 9.48 + 55 =
10. 10.29 children stand in rows of 4. How many full rows can they make?
11. 11.Best estimate of 828 + 380? (a) 1000 (b) 1400 (c) 1200
12. 12.A film starts at 5:55 and ends at 9:15. How many minutes long is the film?
13. 13.You buy a kite for ₹132 and pay with a ₹500 note. How much change do you get, in rupees?
14. 14.110 + 99 =
15. 15.62 × 9 =
16. 16.29 + 58 =
17. 17.Best estimate of 576 + 511? (a) 1300 (b) 1100 (c) 900
18. 18.120 ÷ 8 =
19. 19.66 + ? = 100
20. 20.You buy a pencil box for ₹89 and pay with a ₹100 note. How much change do you get, in rupees?
21. 21.Best estimate of 52 × 97? (a) 5000 (b) 50000 (c) 500
22. 22.69 + ? = 100
23. 23.Half of 172 =
24. 24.576 ÷ 6 =
25. 25.22² =
26. 26.What is the remainder when 53 is divided by 4?
27. 27.106 − 69 =
28. 28.1 + ? = 10
29. 29.Half of 96 =
30. 30.133 + 99 =
31. 31.You buy a cricket ball for ₹95 and pay with a ₹100 note. How much change do you get, in rupees?
32. 32.You start your homework at 5:05 and finish at 6:10. How many minutes did you work?
33. 33.26² =
34. 34.87 − 19 =
35. 35.26 × 6 =
36. 36.85 × 8 =
37. 37.50% of ₹150 =
38. 38.80 − 38 =
39. 39.10% of ₹230 =
40. 40.90 − 58 =

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