Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 295 · 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. 1.5% of ₹380 =
2. 2.172 ÷ 4 =
3. 3.212 ÷ 4 =
4. 4.26² =
5. 5.21 × 7 =
6. 6.101 − 57 =
7. 7.87 − 57 =
8. 8.342 ÷ 6 =
9. 9.20 × 8 =
10. 10.What is the remainder when 57 is divided by 9?
11. 11.308 − 294 =
12. 12.83 − 21 =
13. 13.50 + ? = 100
14. 14.14 + 15 =
15. 15.28 + 29 =
16. 16.7 + ? = 10
17. 17.45 + ? = 100
18. 18.Best estimate of 73 × 97? (a) 700 (b) 7000 (c) 70000
19. 19.11 + ? = 100
20. 20.89 + 2 =
21. 21.328 − 288 =
22. 22.You buy a cricket ball for ₹22 and pay with a ₹100 note. How much change do you get, in rupees?
23. 23.74 children stand in rows of 8. How many full rows can they make?
24. 24.99 − 35 =
25. 25.28 + 14 =
26. 26.25% of ₹660 =
27. 27.11 + 13 =
28. 28.47 laddoos are packed in boxes of 6. How many laddoos are left over?
29. 29.10% of ₹230 =
30. 30.Half of 84 =
31. 31.35 − 29 =
32. 32.Best estimate of 287 + 309? (a) 600 (b) 800 (c) 400
33. 33.36 children stand in rows of 7. How many full rows can they make?
34. 34.A train leaves at 2:05 and reaches the next city at 3:45. How many minutes is the journey?
35. 35.21 + 42 =
36. 36.Double 79 =
37. 37.19 + 5 =
38. 38.402 ÷ 6 =
39. 39.280 ÷ 8 =
40. 40.You buy a notebook for ₹25 and a pen for ₹44. You pay with a ₹100 note. How much change do you get, in rupees?

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