Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 164 · 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.A train leaves at 5:35 and reaches the next city at 6:05. How many minutes is the journey?
2. 2.117 − 94 =
3. 3.69 + ? = 100
4. 4.Double 91 =
5. 5.A train leaves at 7:30 and reaches the next city at 9:10. How many minutes is the journey?
6. 6.You buy a water bottle for ₹22 and a pen for ₹24. You pay with a ₹100 note. How much change do you get, in rupees?
7. 7.Best estimate of 19 × 28? (a) 6000 (b) 600 (c) 60
8. 8.12² =
9. 9.1 + ? = 10
10. 10.Half of 102 =
11. 11.37 × 8 =
12. 12.85 + 66 =
13. 13.50% of ₹40 =
14. 14.836 − 99 =
15. 15.26 + 6 =
16. 16.72 − 46 =
17. 17.88 − 13 =
18. 18.You buy a cricket ball for ₹26 and a pen for ₹45. You pay with a ₹100 note. How much change do you get, in rupees?
19. 19.10% of ₹120 =
20. 20.17 × 5 =
21. 21.16 + 17 =
22. 22.A train leaves at 5:55 and reaches the next city at 9:10. How many minutes is the journey?
23. 23.What is the remainder when 29 is divided by 3?
24. 24.11 + 12 =
25. 25.56 × 4 =
26. 26.Double 16 =
27. 27.25 + 27 =
28. 28.16² =
29. 29.Half of 62 =
30. 30.28 × 9 =
31. 31.240 ÷ 8 =
32. 32.67 × 4 =
33. 33.63 − 43 =
34. 34.67 − 23 =
35. 35.A film starts at 2:00 and ends at 4:50. How many minutes long is the film?
36. 36.66 + 5 =
37. 37.12 + 14 =
38. 38.36 ÷ 3 =
39. 39.5% of ₹340 =
40. 40.17 + 9 =

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