Page 10 - Math Genius C3

E:\Working\Orange_Education\Math_Genius_3\Open_Files\CHAP_01
\ 01-Oct-2025 Bharat Arora Proof-10 Reader’s Sign _______________________ Date __________

1. Represent the number 167 pictorially using blocks.
2. Write the number 998 in words.

3. How many hundreds and tens are there in 768?
4. Fill in the blanks.

(a) 10 ones = ______ (b) 10 tens = ______ (c) 1 hundred = ____ ones.

(d) The smallest 3-digit number is ______.

(e) The number that comes just before the smallest 3-digit number is _____.

4-Digit Numbers

A special assembly was organised in Neha’s school to

observe the World Health Day. On the occasion, it was
announced that the school would start working with an

NGO, Swasth Bachpan which takes care of the health
and hygiene of about 1000 children living in the slums.

Neha was trying to understand the number announced.

She had learned that 999 is the greatest 3-digit number.
She asked her father to explain the number 1000. Her father explained that when we

add 1 to the greatest 3-digit number, we get the smallest 4-digit number.

9 9 9 greatest 3-digit number
+ 1
1 0 0 0 smallest 4-digit number

It can also be represented as:

+ + + =

900 + 90 + 9 + 1 = 1000
Thus, 999 + 1 = 1000. We read 1000 as one thousand.

With this smallest 4-digit number, the next place and period in the place value chart get

introduced.

The new period is the thousands period, and the fourth place from the right is the
thousands place.

8 Mathematics-3