Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 795 · 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. 1.60 − 34 =
2. 2.41 + 9 =
3. 3.You buy a notebook for ₹433 and pay with a ₹500 note. How much change do you get, in rupees?
4. 4.46 laddoos are packed in boxes of 5. How many laddoos are left over?
5. 5.1004 − 980 =
6. 6.8 + ? = 10
7. 7.208 ÷ 8 =
8. 8.24 + 25 =
9. 9.80 − 21 =
10. 10.22 + 22 =
11. 11.47 laddoos are packed in boxes of 7. How many laddoos are left over?
12. 12.328 − 283 =
13. 13.160 ÷ 8 =
14. 14.What is the remainder when 69 is divided by 6?
15. 15.26 + 25 =
16. 16.Best estimate of 30 × 49? (a) 15000 (b) 1500 (c) 150
17. 17.16 + 15 =
18. 18.You buy a notebook for ₹152 and pay with a ₹500 note. How much change do you get, in rupees?
19. 19.63 × 4 =
20. 20.50% of ₹480 =
21. 21.26 × 8 =
22. 22.89 − 9 =
23. 23.183 ÷ 3 =
24. 24.54 + ? = 100
25. 25.76 × 8 =
26. 26.33 + 9 =
27. 27.510 − 493 =
28. 28.423 ÷ 9 =
29. 29.98 − 56 =
30. 30.31 + 62 =
31. 31.Double 21 =
32. 32.264 ÷ 8 =
33. 33.You buy a water bottle for ₹355 and pay with a ₹500 note. How much change do you get, in rupees?
34. 34.A train leaves at 2:05 and reaches the next city at 4:15. How many minutes is the journey?
35. 35.12 × 8 =
36. 36.A cricket match starts at 5:55 and the first innings ends at 8:20. How many minutes did the innings last?
37. 37.321 − 276 =
38. 38.77 laddoos are packed in boxes of 6. How many laddoos are left over?
39. 39.Double 26 =
40. 40.152 ÷ 8 =

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