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?

- 5, __, 15, ___,
- 45,___, ___,___60.
- 100, ___, 110, ___.

Q2. Write the missing number?

- 45, ___ , ____, 48
- ___, 98, ___, 100
- 15, ___, ___, ___
- 45,___, ___, ___, ___, 50
- 10, ___, ___, ___, ___, ___, ___ ,___, ___,___ ,20

Q3. Write the counting numbers from

- 1 to 10
- 50 to 60
- 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?

### What are the counting numbers from 1 to 50?

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.