Counting Numbers

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

  • Tell the time show in the clock
  • Counting the number of students in class
  • Buying no. 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 Number 1 to 20

Let us count the number by 1 with number names. Number names upto 100 is important as a basic math 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 1 to 100 Table

If we keep counting the numbers like this upto 100, it would be shown as below.

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

Counting Numbers Worksheets

Let us practice a few questions on Counting the 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.