Numbers 2 Digit Number

Here the students will recall the numbers from 0 to 10 and learn 2 digit number. Also, the students will learn about the names of each two-digit number and the uses of two-digit numbers in real life.

In this learning concept, the student will learn about

• 1 to 100 numbers in words
• The Smallest two digit
• The greatest two digit
• The smallest 3-digit number

Each concept is explained to students using examples and illustrations, and a concept map is also given at the end to summarize the whole idea. At the end of the page, two printable Class 1 math worksheets with solutions are attached for the students to practice.

The numbers from 1 to 9 are called single digit numbers.

The numbers from 10 to 99 are called 2-digit numbers.

Ten

• The number 10 is written in words as ‘TEN’.
• 10 comes after the greatest 1-digit number 9.
• 10 is the smallest 2-digit number.
• The number 10 plays a very important role in mathematics.
• Usually, we group numbers in 10 to make calculations easy.

Example:

We can group 23 matchsticks in 10 as:

2 bundles of 10 matchsticks and 3 individual matchsticks.

It makes the counting easier.

 

1 to 100 Numbers in Words

• From 11-19 there are different wordings for these numbers.

11	12	13	14	15	16	17	18	19
Eleven	Twelve	Thirteen	Fourteen	Fifteen	Sixteen	Seventeen	Eighteen	Nineteen

• Numbers from 13 to 19 are called ‘TEEN’ numbers.
• From 20 onwards, there is some logic in the number names.
• The greatest number 2-digit number is 99.
• The number that comes after 99 is 100.
• 100 is the smallest 3-digit number.
• 100 is written in word as ‘Hundred’ or ‘One-Hundred’.

Example:

Question 1:Write the following numbers in words.

56, 89, 13

Answer:

56	Fifty-six
89	Eighty-nine
13	Thirteen

Question 2:Write the following numbers in numerals.

Ninety-eight, Forty-seven, Thirty-three

Answer:

Ninety-eight: 98, Forty-seven: 47, Thirty-three: 33

 

Numbers 1-100 in Real Life

We can see the uses of the numbers from 1 to 100 everywhere in our daily life. Following are some examples: