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

What is a counting number in Maths?

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

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.

What is the spelling of 999?

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

What is the spelling of 10,000,00?

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

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

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

BOOK

Free Class