Knowing Our Numbers – CBSE Class 6 Mathematics
Model 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 ————
   Answer the following:
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.

ANSWERS:

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