Counting Numbers

All the natural numbers are called counting numbers. These numbers are always positive integers like 1,2,3,4,5,6,…… The counting numbers, which can be counted, are infinite and are a crucial part of number systems in Maths. Learning numbers is the basic task which we start learning from kindergarten. This is used in everyday life too. Example,

  • Tell the time shown in the clock
  • Counting the number of students in class
  • Buying number of toffees etc.

You can count the numbers in different ways, for example,

  • Counting by 2 – 2,4,6…
  • Counting by 3 – 3, 6, 9, …
  • Counting by 4 – 4, 8, 12, …
  • Counting by 5 – 5, 10, 15,…
  • Counting by 6 and so on.

Both the even and odd numbers are included in counting numbers. Example, 6 – even number and 9 – odd number.

Counting Numbers from 1 to 20

Let us count the number by 1 with number names. Number names upto 100 is important to learn as a basic maths concept.

1 One
2 Two
3 Three
4 Four
5 Five
6 Six
7 Seven
8 Eight
9 Nine
10 Ten
11 Eleven
12 Twelve
13 Thirteen
14 Fourteen
15 Fifteen
16 Sixteen
17 Seventeen
18 Eighteen
19 Nineteen
20 Twenty

Counting Numbers from 1 to 100 (One to Hundred)

The table of one to hundred numbers is given below. These numbers are frequently used for counting in Maths and in real life. Let us learn all.

1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100

Count 100 to 1000 

100 One hundred
200 Two-hundred
300 Three-hundred
400 Four-hundred
500 Five-hundred
600 Six-hundred
700 Seven-hundred
800 Eight-hundred
900 Nine-hundred
1000 One thousand

Number Names 1 to 100

1 – one 2 –

two

 3 –

three

 4 –

four

 5 –

five

 6 –

six

 7 –

seven

 8 –

eight

 9 –

nine

 10 –

ten
11 –

eleven

 12 –

twelve

 13 –

thirteen

 14 –

fourteen

 15 –

fifteen

 16 –

sixteen

 17 –

seventeen

 18 –

eighteen

 19 –

nineteen

 20 –

twenty
21 –

twenty-

one

 22 –

twenty-

two

 23 –

twenty-

three

 24 –

twenty-

four

 25 –

twenty-

five

 26 –

twenty-

six

 27 –

twenty-

seven

 28 –

twenty-

eight

 29 –

twenty-

nine

 30 –

thirty
31 –

thirty-

one

 32

thirty-

two

 33

thirty-

three

 34

thirty-

four

 35

thirty-

five

 36

thirty-

six

 37

thirty-

seven

 38

thirty-

eight

 39

thirty-

nine

 40

forty
41

forty-

one

 42

forty-

two

 43

forty-

three

 44

forty-

four

 45

forty-

five

 46

forty-

six

 47

forty-

seven

 48

forty-

eight

 49

forty-

nine

 50

fifty
51

fifty-

one

 52

fifty-

two

 53

fifty-

three

 54

fifty-

four

 55

fifty-

five

 56

fifty-

six

 57

fifty-

seven

 58

fifty-

eight

 59

fifty-

nine

 60

sixty
61

sixty-

one

 62

sixty-

two

 63

sixty-

three

 64

sixty-

four

 65

sixty-

five

 66

sixty-

six

 67

sixty-

seven

 68

sixty-

eight

 69

sixty-

nine

 70

seventy
71

seventy-

one

 72

seventy-

two

 73

seventy-

three

 74

seventy-

four

 75

seventy-

five

 76

seventy-

six

 77

seventy-

seven

 78

seventy-

eight

 79

seventy-

nine

 80

eighty
81

eighty-

one

 82

eighty-

two

 83

eighty-

three

 84

eighty-

four

 85

eighty-

five

 86

eighty-

six

 87

eighty-

seven

 88

eighty-

eight

 89

eighty-

nine

 90

ninety
91

ninety-

one

 92

ninety-

two

 93

ninety-

three

 94

ninety-

four

 95

ninety-

five

 96

ninety-

six

 97

ninety-

seven

 98

ninety-

eight

 99

ninety-

nine

 100

one hun

Counting Numbers Worksheets

Let us practice a few questions on counting numbers.

Q1. Count the numbers by 5?

  1. 5, __, 15, ___,
  2. 45,___, ___,___60.
  3. 100, ___, 110, ___.

Q2. Write the missing number?

  1. 45, ___ , ____, 48
  2. ___, 98, ___, 100
  3. 15, ___, ___, ___
  4. 45,___, ___, ___, ___, 50
  5. 10, ___, ___, ___, ___, ___, ___ ,___, ___,___ ,20

Q3. Write the counting numbers from

  1. 1 to 10
  2. 50 to 60
  3. 30 to 70

Q4. Write 6 counting numbers from 60

Q5. Write 9 counting numbers from11

Q6. Write the counting numbers between 10 to 30

Q7. Write all the even counting numbers between 10 to 20.

Q8. Write all the odd counting numbers from 11 to 21.

Q9. Write the counting numbers by 5 till 20.

Frequently Asked Questions – FAQs

Q1

What is a counting number in Maths?

In Mathematics, counting numbers are natural numbers, that are used to count anything.
Q2

What are the counting numbers from 1 to 50?

Counting numbers from 1 to 50 are:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15. 16 17 18 19 20 21 22 23 24 25. 26 27 28 29 30 31 32 33 34 35. 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50.
Q3

What is the spelling of 999?

The spelling of 999 in English is nine hundred ninety-nine.
Q4

What is the spelling of 10,000,00?

The spelling of 10,000,00 is One million.
Q5

How do we count 1,000,000,000 in English?

1,000,000,000 is counted as One billion.
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