# Knowing Our Numbers – CBSE Class 6 MathematicsModel Questions/Extra Questions for Practice

Fill in the blanks:

1. The place value of 7 in 47658 is ————
2. Round off 234 to the nearest 10’s is ————-
3. Roman numeral for 90 is —————-
4. The standard form of 40000 + 3000 + 70 + 2 is ———
5. The greatest 4 digit number using the digits 5,0,9,2 is ————
6. Insert commas suitably and write the number name in International System of Numeration: 56748902
7. Write the expanded form of 23908
8. Write in Roman Numerals:
a) 232
b) 548
9. Find the difference between the greatest and the least five digit numbers that can be written using the digits 9, 0, 7, 5, 2
10. Find the product of greatest number of 2 digits and smallest number of three digits.

1. 7000
2. 230
3. XC
4. 43072
5. 9520
6. 56,748,902
Fifty six million seven hundred forty eight thousand nine hundred two.
7. 20000 + 3000 + 900 + 8
8. a) 232 = CCXXXII
b) DXLVIII
9. Greatest number = 97520
Least number = 20579
Difference = 97520 – 20579 = 76941
10. Greatest two digit number = 99
Smallest three digit number = 100
Product = 100 x 99 = 9900