# Knowing Our Numbers – CBSE Class 6 Mathematics

Model Questions/Extra Questions for Practice

**Fill in the blanks:**

- The place value of 7 in 47658 is ————
- Round off 234 to the nearest 10’s is ————-
- Roman numeral for 90 is —————-
- The standard form of 40000 + 3000 + 70 + 2 is ———
- The greatest 4 digit number using the digits 5,0,9,2 is ————

Answer the following: - Insert commas suitably and write the number name in International System of Numeration: 56748902
- Write the expanded form of 23908
- Write in Roman Numerals:

a) 232

b) 548 - Find the difference between the greatest and the least five digit numbers that can be written using the digits 9, 0, 7, 5, 2
- Find the product of greatest number of 2 digits and smallest number of three digits.

**ANSWERS:**

- 7000
- 230
- XC
- 43072
- 9520
- 56,748,902

Fifty six million seven hundred forty eight thousand nine hundred two. - 20000 + 3000 + 900 + 8
- a) 232 = CCXXXII

b) DXLVIII - Greatest number = 97520

Least number = 20579

Difference = 97520 – 20579 = 76941 - Greatest two digit number = 99

Smallest three digit number = 100

Product = 100 x 99 = 9900