# Knowing Our Numbers – CBSE Class 6 Mathematics/WorksheetExtra Questions for Practice/Model Questions

1. Write the expanded form of 40987?
Answer: 40000 + 900 + 80 + 7
2. Write the numeral of 400000 + 6000 + 20 + 7
3. Insert commas and write the number name in Indian System of Numeration: 468976
Four lakh sixty eight thousand nine hundred seventy six.
4. Insert commas and write the number name in International System of Numeration: 57902132
Fifty seven million nine hundred two thousand one hundred thirty two.
5. Round off 8796 to nearest hundreds
6. Find the estimated sum of 346 + 1256
346 rounds off to 300.
1256 rounds off to 1300
Estimated sum = 300 + 1300 = 1600
7. Write the Roman numeral of 2032?
8. Write the Hindu Arabic numeral of CCXLVIII?
9. Arrange the following numbers in ascending order:
35687, 35867, 35786, 37854
10. Write the difference between the greatest 5 digit number and smallest 3 digit numbers?
Answer: Greatest 5 digit number = 99999
Smallest 3 digit number = 100
Difference = 99,899
11. Make the greatest and the smallest 4 digit number that you can make using the digits 4, 0, 8, 1 without repetition.