Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 228 · 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. 1.202 − 178 =
2. 2.5 + 7 =
3. 3.What is the remainder when 55 is divided by 4?
4. 4.312 ÷ 6 =
5. 5.32 children stand in rows of 7. How many full rows can they make?
6. 6.A film starts at 1:35 and ends at 2:05. How many minutes long is the film?
7. 7.A film starts at 1:55 and ends at 3:55. How many minutes long is the film?
8. 8.24 − 19 =
9. 9.75 + 6 =
10. 10.16 × 8 =
11. 11.45 × 4 =
12. 12.Half of 46 =
13. 13.54 − 36 =
14. 14.Half of 192 =
15. 15.16 + 17 =
16. 16.Double 21 =
17. 17.40 × 8 =
18. 18.14² =
19. 19.89 laddoos are packed in boxes of 6. How many laddoos are left over?
20. 20.59 − 29 =
21. 21.46 × 4 =
22. 22.378 ÷ 9 =
23. 23.152 ÷ 8 =
24. 24.50% of ₹420 =
25. 25.50% of ₹550 =
26. 26.80 − 43 =
27. 27.You buy a kite for ₹59 and pay with a ₹100 note. How much change do you get, in rupees?
28. 28.Half of 82 =
29. 29.224 ÷ 8 =
30. 30.Half of 132 =
31. 31.36 + 7 =
32. 32.83 + 31 =
33. 33.A train leaves at 6:10 and reaches the next city at 7:35. How many minutes is the journey?
34. 34.Double 28 =
35. 35.528 − 496 =
36. 36.Best estimate of 87 × 88? (a) 810 (b) 8100 (c) 81000
37. 37.9 + 11 =
38. 38.50 × 4 =
39. 39.27 × 4 =
40. 40.64 + 86 =

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