Mental Maths Questions Worksheet for Class 5

Mental maths lesson 19: Mixed mental challenge · Set 224 · 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.Best estimate of 38 × 29? (a) 120 (b) 1200 (c) 12000
2. 2.100 ÷ 4 =
3. 3.23² =
4. 4.26 × 8 =
5. 5.What is the remainder when 39 is divided by 4?
6. 6.Best estimate of 179 + 260? (a) 500 (b) 300 (c) 700
7. 7.Best estimate of 94 × 26? (a) 270 (b) 27000 (c) 2700
8. 8.5% of ₹120 =
9. 9.10% of ₹480 =
10. 10.16² =
11. 11.52 × 4 =
12. 12.45 + 24 =
13. 13.25 + 6 =
14. 14.15 + 16 =
15. 15.24 × 8 =
16. 16.78 ÷ 3 =
17. 17.22 × 8 =
18. 18.You buy a pencil box for ₹55 and pay with a ₹100 note. How much change do you get, in rupees?
19. 19.78 − 27 =
20. 20.118 children stand in rows of 9. How many full rows can they make?
21. 21.25 × 8 =
22. 22.100 − 64 =
23. 23.160 ÷ 8 =
24. 24.125 ÷ 5 =
25. 25.17 + 18 =
26. 26.10% of ₹770 =
27. 27.Best estimate of 159 + 482? (a) 700 (b) 500 (c) 900
28. 28.77 − 52 =
29. 29.200 ÷ 4 =
30. 30.15² =
31. 31.44 + 14 =
32. 32.1 + ? = 10
33. 33.What is the remainder when 49 is divided by 4?
34. 34.50% of ₹140 =
35. 35.50% of ₹150 =
36. 36.5% of ₹410 =
37. 37.26² =
38. 38.27² =
39. 39.28² =
40. 40.You buy a pencil box for ₹495 and pay with a ₹500 note. How much change do you get, in rupees?

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