Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 713 · 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.You buy a cricket ball for ₹310 and pay with a ₹500 note. How much change do you get, in rupees?
2. 2.51 × 3 =
3. 3.47 × 3 =
4. 4.Best estimate of 476 + 232? (a) 900 (b) 700 (c) 500
5. 5.79 × 7 =
6. 6.You buy a water bottle for ₹47 and pay with a ₹100 note. How much change do you get, in rupees?
7. 7.63 − 17 =
8. 8.34 × 4 =
9. 9.18 + 19 =
10. 10.A train leaves at 3:40 and reaches the next city at 4:10. How many minutes is the journey?
11. 11.25% of ₹520 =
12. 12.14 + 15 =
13. 13.48 + ? = 100
14. 14.120 ÷ 4 =
15. 15.52 + 21 =
16. 16.1015 − 994 =
17. 17.92 children stand in rows of 6. How many full rows can they make?
18. 18.77 − 44 =
19. 19.A train leaves at 3:45 and reaches the next city at 4:45. How many minutes is the journey?
20. 20.53 − 31 =
21. 21.25% of ₹760 =
22. 22.24 + 25 =
23. 23.16 + 15 =
24. 24.105 − 58 =
25. 25.296 ÷ 4 =
26. 26.Best estimate of 787 + 482? (a) 1100 (b) 1500 (c) 1300
27. 27.21 + 22 =
28. 28.72 − 9 =
29. 29.You buy a storybook for ₹43 and a pen for ₹40. You pay with a ₹100 note. How much change do you get, in rupees?
30. 30.10% of ₹300 =
31. 31.61 − 29 =
32. 32.40 − 19 =
33. 33.26 + 27 =
34. 34.505 − 496 =
35. 35.A train leaves at 7:30 and reaches the next city at 10:45. How many minutes is the journey?
36. 36.Double 36 =
37. 37.8 + ? = 10
38. 38.49 + 4 =
39. 39.21² =
40. 40.Half of 92 =

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