Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 290 · 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. 1.48 × 6 =
2. 2.You buy a bag of mangoes for ₹20 and a pen for ₹35. You pay with a ₹100 note. How much change do you get, in rupees?
3. 3.Double 61 =
4. 4.A film starts at 6:30 and ends at 7:55. How many minutes long is the film?
5. 5.34 × 8 =
6. 6.136 ÷ 8 =
7. 7.What is the remainder when 34 is divided by 6?
8. 8.A cricket match starts at 2:40 and the first innings ends at 5:15. How many minutes did the innings last?
9. 9.47 × 8 =
10. 10.79 + 49 =
11. 11.72 × 4 =
12. 12.5% of ₹620 =
13. 13.15 × 6 =
14. 14.91 × 5 =
15. 15.25 − 9 =
16. 16.23 − 19 =
17. 17.A cricket match starts at 2:50 and the first innings ends at 3:25. How many minutes did the innings last?
18. 18.27 × 8 =
19. 19.88 ÷ 8 =
20. 20.95 − 12 =
21. 21.You buy a kite for ₹207 and pay with a ₹500 note. How much change do you get, in rupees?
22. 22.You buy a notebook for ₹83 and pay with a ₹100 note. How much change do you get, in rupees?
23. 23.88 ÷ 4 =
24. 24.What is the remainder when 124 is divided by 9?
25. 25.23 + ? = 100
26. 26.19 + 6 =
27. 27.85 + 9 =
28. 28.You buy a bag of mangoes for ₹38 and a pen for ₹18. You pay with a ₹100 note. How much change do you get, in rupees?
29. 29.25 + 6 =
30. 30.288 ÷ 6 =
31. 31.33 + 29 =
32. 32.32 − 9 =
33. 33.A train leaves at 8:30 and reaches the next city at 9:30. How many minutes is the journey?
34. 34.Double 81 =
35. 35.52 ÷ 4 =
36. 36.13 × 8 =
37. 37.Best estimate of 164 + 517? (a) 500 (b) 900 (c) 700
38. 38.5% of ₹610 =
39. 39.66 + 9 =
40. 40.Best estimate of 727 + 860? (a) 1400 (b) 1800 (c) 1600

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