Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 807 · 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 ₹630 =
2. 2.5% of ₹650 =
3. 3.21 + 33 =
4. 4.What is the remainder when 56 is divided by 5?
5. 5.15² =
6. 6.128 ÷ 4 =
7. 7.68 − 23 =
8. 8.26 + 27 =
9. 9.32 × 8 =
10. 10.282 ÷ 6 =
11. 11.25% of ₹830 =
12. 12.57 + 86 =
13. 13.26 × 8 =
14. 14.A train leaves at 2:25 and reaches the next city at 3:40. How many minutes is the journey?
15. 15.38 − 9 =
16. 16.You buy a pencil box for ₹37 and pay with a ₹100 note. How much change do you get, in rupees?
17. 17.A cricket match starts at 2:35 and the first innings ends at 4:15. How many minutes did the innings last?
18. 18.Best estimate of 88 × 92? (a) 810 (b) 81000 (c) 8100
19. 19.107 − 89 =
20. 20.43 + ? = 100
21. 21.28 × 7 =
22. 22.60 + 56 =
23. 23.63 − 46 =
24. 24.27 + 5 =
25. 25.49 − 9 =
26. 26.19 + 3 =
27. 27.Double 53 =
28. 28.13 + 9 =
29. 29.3 + ? = 10
30. 30.374 − 99 =
31. 31.51 − 9 =
32. 32.85 + 9 =
33. 33.27 + 6 =
34. 34.18 × 8 =
35. 35.16 + 18 =
36. 36.37 + 8 =
37. 37.92 ÷ 4 =
38. 38.21² =
39. 39.Best estimate of 374 + 774? (a) 1400 (b) 1000 (c) 1200
40. 40.You buy a storybook for ₹168 and pay with a ₹500 note. How much change do you get, in rupees?

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