Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 911 · 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. 1.69 × 8 =
2. 2.A train leaves at 2:05 and reaches the next city at 2:45. How many minutes is the journey?
3. 3.5% of ₹40 =
4. 4.You buy a cricket ball for ₹152 and pay with a ₹500 note. How much change do you get, in rupees?
5. 5.288 ÷ 8 =
6. 6.56 × 4 =
7. 7.48 + ? = 100
8. 8.66 − 55 =
9. 9.728 ÷ 8 =
10. 10.14² =
11. 11.43 + 19 =
12. 12.Half of 192 =
13. 13.29² =
14. 14.5% of ₹710 =
15. 15.144 ÷ 4 =
16. 16.12 × 8 =
17. 17.72 − 15 =
18. 18.93 × 8 =
19. 19.23 + 22 =
20. 20.What is the remainder when 17 is divided by 4?
21. 21.You buy a kite for ₹99 and pay with a ₹100 note. How much change do you get, in rupees?
22. 22.3 + ? = 10
23. 23.95 − 44 =
24. 24.17 + 4 =
25. 25.70 − 59 =
26. 26.25 − 9 =
27. 27.74 + 19 =
28. 28.A film starts at 6:50 and ends at 9:05. How many minutes long is the film?
29. 29.72 × 7 =
30. 30.76 ÷ 4 =
31. 31.57 + 38 =
32. 32.28 + 9 =
33. 33.You buy a kite for ₹42 and a pen for ₹11. You pay with a ₹100 note. How much change do you get, in rupees?
34. 34.Best estimate of 253 + 738? (a) 1200 (b) 1000 (c) 800
35. 35.52 × 5 =
36. 36.26² =
37. 37.71 + ? = 100
38. 38.Best estimate of 385 + 455? (a) 700 (b) 1100 (c) 900
39. 39.58 children stand in rows of 8. How many full rows can they make?
40. 40.75 + 8 =

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