Counting Numbers

All the natural numbers are called counting numbers. These numbers are always positive 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 Number 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 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 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.

BOOK

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