Chapter 1: Large Number

Impressions All in One Semester 1 Maths

Initiative and Self-Direction
Let’s Connect
Complete the following:

1. The greatest 1-digit number is…….. and the greatest 2-digit number is……..
2. The smallest 3-digit number is…….. and the greatest 3-digit number is……..
3. The greatest 4-digit number is ……..and the smallest 4-digit number……..
4. The greatest 5-digit number is …….. and the smallest 5-digit number is……..
5. The greatest 6-digit number is…….. and the smallest 6-digit number is……..
6. 9999+ 1000 =
7. The successor of 99999 is
8. Write 675843 in words.
9. Write the expanded form of 456987.

Answer:-

1. The greatest 1-digit number is 9 and the greatest 2-digit number is 99.
2. The smallest 3-digit number is 100 and the greatest 3-digit number is 999.
3. The greatest 4-digit number is 9999 and the smallest 4-digit number is 1000.
4. The greatest 5-digit number is 99,999 and the smallest 5-digit number is 10,000.
5. The greatest 6-digit number is 999,999 and the smallest 6-digit number is 100,000.

6. 9999 + 1000 = 10999
7. The successor of 99999 is 100,000.

8. 675843 in words: Six hundred seventy-five thousand eight hundred forty-three.

6. Expanded form of 456987: 400000 + 50000 + 6000 + 900 + 80 7
   

Check your Understanding 1.1

1. Write the place value and face value of each of the digits in the following numbers.
   α. 213789601
   b. 3245216
   c. 20113789
   d. 98107654
2. Write the expanded form of the following numbers.
   α. 1245643
   b. 3106972
   c. 26752312
   e. 41957516
   f. 93706972
   g. 64675735
   h. 80103138