Page 11 - Touchpad Mathematics_Ver1.0_C4

INtroDUCtIoN to 4-DIgIt NUMbErS Century
21 st
Skills #Communication
Let us try these:

What comes after 9? __________ What comes after 99? __________

What comes next to the greatest 3-digit number? __________

What is the smallest 3-digit number? __________

Can you think of the smallest 4-digit number? __________

999 = 900 + 90 + 9 and 999 + 1 = 900 + 90 + 9 + 1

+ + + =

900 + 90 + 9 + 1 = 1000

Thus, 999 + 1 = 1000.

1000 is a 4-digit number. It is read as one thousand. 10 hundreds make
1 thousand.
1000 is the smallest 4-digit number.

Rashi and Mahi were doing their work. They were writing
the numeral for the number name given as: “One thousand one”

Rashi wrote 10001.

Mahi wrote 1001.

They started arguing over who was right.
Rashi's mother: What happened why you girls are arguing?

Rashi: Mother, look at our answers and let us know who is right.

Mother looked at both the answers and said Mahi was right.

rashi: Why?

Mother: What comes after 10, Rashi?

Rashi: Eleven

Mother: Please write it.
Rashi: 11

Mother: What comes after 100?

Rashi: One hundred one, 101.

9
Numbers