Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 349 · 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 start your homework at 2:05 and finish at 3:15. How many minutes did you work?
2. 2.Half of 196 =
3. 3.396 ÷ 6 =
4. 4.95 − 41 =
5. 5.34 + 34 =
6. 6.26 × 4 =
7. 7.72 − 41 =
8. 8.84 − 29 =
9. 9.Double 41 =
10. 10.526 − 480 =
11. 11.You buy a pencil box for ₹38 and pay with a ₹100 note. How much change do you get, in rupees?
12. 12.352 ÷ 8 =
13. 13.84 − 54 =
14. 14.67 − 41 =
15. 15.18 + 17 =
16. 16.28 + 29 =
17. 17.Best estimate of 832 + 855? (a) 1500 (b) 1900 (c) 1700
18. 18.A cricket match starts at 3:35 and the first innings ends at 5:45. How many minutes did the innings last?
19. 19.326 − 275 =
20. 20.87 + 5 =
21. 21.65 + 61 =
22. 22.5% of ₹210 =
23. 23.Best estimate of 738 + 247? (a) 700 (b) 900 (c) 1100
24. 24.You buy a storybook for ₹420 and pay with a ₹500 note. How much change do you get, in rupees?
25. 25.95 − 49 =
26. 26.33 × 8 =
27. 27.11² =
28. 28.76 children stand in rows of 9. How many full rows can they make?
29. 29.Half of 52 =
30. 30.56 + ? = 100
31. 31.88 − 59 =
32. 32.25% of ₹520 =
33. 33.320 − 288 =
34. 34.36 × 8 =
35. 35.65 × 7 =
36. 36.A train leaves at 6:35 and reaches the next city at 7:35. How many minutes is the journey?
37. 37.43 laddoos are packed in boxes of 6. How many laddoos are left over?
38. 38.75 × 4 =
39. 39.17 + 18 =
40. 40.Half of 184 =

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