Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 483 · 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. 1.50% of ₹190 =
2. 2.85 + 6 =
3. 3.21² =
4. 4.280 ÷ 5 =
5. 5.10% of ₹640 =
6. 6.112 ÷ 8 =
7. 7.Double 25 =
8. 8.27 + 28 =
9. 9.You buy a pencil box for ₹17 and a pen for ₹37. You pay with a ₹100 note. How much change do you get, in rupees?
10. 10.528 ÷ 8 =
11. 11.38 laddoos are packed in boxes of 7. How many laddoos are left over?
12. 12.63 + ? = 100
13. 13.2 + ? = 10
14. 14.50 + 9 =
15. 15.A film starts at 6:20 and ends at 9:00. How many minutes long is the film?
16. 16.What is the remainder when 21 is divided by 4?
17. 17.245 ÷ 7 =
18. 18.26 + 7 =
19. 19.Best estimate of 12 × 50? (a) 50 (b) 500 (c) 5000
20. 20.302 − 277 =
21. 21.50% of ₹410 =
22. 22.64 + ? = 100
23. 23.63 children stand in rows of 5. How many full rows can they make?
24. 24.A train leaves at 3:05 and reaches the next city at 5:20. How many minutes is the journey?
25. 25.Best estimate of 861 + 798? (a) 1500 (b) 1700 (c) 1900
26. 26.Double 62 =
27. 27.85 × 8 =
28. 28.9 + 8 =
29. 29.56 ÷ 4 =
30. 30.Best estimate of 289 + 464? (a) 600 (b) 800 (c) 1000
31. 31.56 + ? = 100
32. 32.A train leaves at 8:45 and reaches the next city at 11:35. How many minutes is the journey?
33. 33.30 + 29 =
34. 34.A train leaves at 3:35 and reaches the next city at 5:00. How many minutes is the journey?
35. 35.Half of 156 =
36. 36.50% of ₹270 =
37. 37.94 children stand in rows of 8. How many full rows can they make?
38. 38.3 + ? = 10
39. 39.76 − 62 =
40. 40.574 ÷ 7 =

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