Sita has 5 apples. We write the number as 5. We can also write it as a word: five. Every number has a name! Learning number names helps us read and write numbers in words. Let us learn the names of numbers from one to twenty.
Numbers 1 to 10 and Their Names
Number
Name
Number
Name
1
one
6
six
2
two
7
seven
3
three
8
eight
4
four
9
nine
5
five
10
ten
Numbers 11 to 20 and Their Names
Number
Name
Number
Name
11
eleven
16
sixteen
12
twelve
17
seventeen
13
thirteen
18
eighteen
14
fourteen
19
nineteen
15
fifteen
20
twenty
Notice: eleven and twelve are special names. Thirteen to nineteen all end in "-teen".
📝 Key Words
Word
Meaning
Number
A symbol we use to count: 1, 2, 3...
Number name
The word form of a number: one, two, three...
Match
To find the pair that goes together
Word form
Writing a number using letters, not digits
⭐ Key Points to Remember
Every number has a name written in words.
Numbers 1 to 12 have special names to learn by heart.
Numbers 13 to 19 end in "-teen".
20 is called twenty.
Always start with a capital letter when writing a number name at the start of a sentence.
✏️ Practice Questions
A. Fill in the Blanks
1. The number name of 7 is .
2. The number for "fifteen" is .
3. The number name of 12 is .
4. The number for "nineteen" is .
5. The number name of 20 is .
B. Choose the Correct Answer
1. What is the number name of 13?
a) thirtyb) thirteenc) three
2. Which number is "eleven"?
a) 10b) 12c) 11
3. What is the number name of 18?
a) eightb) eightyc) eighteen
C. Short Answer
1. Write the number names for 4, 9, and 16.
2. Arjun has fourteen pencils. Write 14 in words and draw 14 dots.
3. Write the numbers for: six, twelve, seventeen.
🎨 Activity: Number Name Match
Draw lines to match each number to its name:
5 fourteen 14 five 11 twenty 20 eleven
Now write three sentences using number names. Example: "I have six crayons."
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Sita has 5 apples. We write the number as 5. We can also write it as a word: five. Every number has a name! Learning number names helps us read and write numbers in words.
Numbers 1 to 20 and Their Names
Number
Name
Number
Name
Number
Name
1
one
8
eight
15
fifteen
2
two
9
nine
16
sixteen
3
three
10
ten
17
seventeen
4
four
11
eleven
18
eighteen
5
five
12
twelve
19
nineteen
6
six
13
thirteen
20
twenty
7
seven
14
fourteen
Key Words
Word
Meaning
Number
A symbol we use to count: 1, 2, 3...
Number name
The word form of a number: one, two, three...
Match
To find the pair that goes together
Word form
Writing a number using letters, not digits
Examples
7 = seven 14 = fourteen 20 = twenty
Numbers 13 to 19 all end in "-teen": thirteen, fourteen, fifteen...
Mathematics -- Class 2 (continued)
Topic: Number Names -- Practice
Key Points to Remember
Every number has a name written in words.
Numbers 1 to 12 have special names to learn by heart.
Numbers 13 to 19 end in "-teen".
20 is called twenty.
Always start with a capital letter when writing a number name at the start of a sentence.
A. Fill in the Blanks
The number name of 7 is .
The number for "fifteen" is .
The number name of 12 is .
The number for "nineteen" is .
The number name of 20 is .
B. Choose the Correct Answer
What is the number name of 13?
a) thirtyb) thirteenc) three
Which number is "eleven"?
a) 10b) 12c) 11
What is the number name of 18?
a) eightb) eightyc) eighteen
C. Short Answer
Write the number names for 4, 9, and 16.
Arjun has fourteen pencils. Write 14 in words and draw 14 dots.
Write the numbers for: six, twelve, seventeen.
Activity: Number Name Match
Draw lines to match each number to its name:
5 fourteen
14 five
11 twenty
20 eleven
Now write one sentence using a number name: ___________________________