Lesson Plan: Numbers 10-20 and Ordinal Numbers

Learning Objectives (अधिगम उद्देश्य)

Students will be able to:

English

  • Recognize numbers from 10 to 20.
  • Read and write numbers 10–20.
  • Count objects up to 20.
  • Compare numbers between 10 and 20.
  • Arrange numbers in ascending and descending order.
  • Understand the concept of ordinal numbers.
  • Identify positions using ordinal numbers from 1st to 10th.
  • Use ordinal numbers in daily life.

हिन्दी

विद्यार्थी—

  • 10 से 20 तक की संख्याओं को पहचानेंगे।
  • 10 से 20 तक की संख्याएँ पढ़ेंगे और लिखेंगे।
  • 20 तक वस्तुओं की गिनती करेंगे।
  • 10–20 के बीच की संख्याओं की तुलना करेंगे।
  • आरोही एवं अवरोही क्रम में संख्याएँ लिखेंगे।
  • क्रमवाचक संख्याओं का अर्थ समझेंगे।
  • 1st से 10th तक की क्रमवाचक संख्याओं का प्रयोग करेंगे।
  • दैनिक जीवन में क्रमवाचक संख्याओं का उपयोग करेंगे।

Prerequisite Knowledge (पूर्व ज्ञान)

Students already know:

  • Counting from 1–10
  • Number names from 1–10
  • Before and after numbers
  • Basic comparison (greater/smaller)

विद्यार्थी पहले से जानते हैं—

  • 1 से 10 तक की गिनती
  • संख्या नाम
  • पहले और बाद की संख्या
  • बड़ी और छोटी संख्या

Teaching Learning Materials (TLMs)

  • Number cards (10–20)
  • Flash cards
  • Bundles of ice cream sticks
  • Beads
  • Bottle caps
  • Toys
  • Picture cards
  • Number chart
  • Blackboard
  • Worksheets
  • Smart board (optional)

Key Vocabulary

English

हिन्दी

Number

संख्या

Counting

गिनती

Number Name

संख्या नाम

Ten

दस

Eleven

ग्यारह

Twelve

बारह

Thirteen

तेरह

Fourteen

चौदह

Fifteen

पंद्रह

Sixteen

सोलह

Seventeen

सत्रह

Eighteen

अठारह

Nineteen

उन्नीस

Twenty

बीस

First

पहला

Second

दूसरा

Third

तीसरा

Fourth

चौथा

Fifth

पाँचवाँ

Sixth

छठा

Seventh

सातवाँ

Eighth

आठवाँ

Ninth

नौवाँ

Tenth

दसवाँ

Period 1: Introduction to Numbers 10–20

Introduction

Teacher shows 10 pencils.

Ask:

How many pencils are there?

Children count.

Teacher then adds one more pencil.

Ask:

Now how many pencils are there?

Children answer:

11

Continue until 20.

Explain that numbers after 9 continue as 10, 11, 12...20.

Study Material

What are Numbers?

Numbers help us count people, animals and things.

संख्याएँ हमें वस्तुओं, लोगों तथा जानवरों की गिनती करने में सहायता करती हैं।

Numbers 10–20

Number

Number Name

हिन्दी

10

Ten

दस

11

Eleven

ग्यारह

12

Twelve

बारह

13

Thirteen

तेरह

14

Fourteen

चौदह

15

Fifteen

पंद्रह

16

Sixteen

सोलह

17

Seventeen

सत्रह

18

Eighteen

अठारह

19

Nineteen

उन्नीस

20

Twenty

बीस

Number Recognition Activity

Teacher displays random cards.

Example

17

Students say

Seventeen

Count the Objects

⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐ = 10

🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎🍎 = 12

🧸🧸🧸🧸🧸🧸🧸🧸🧸🧸🧸🧸🧸🧸🧸 = 15

Period 2: Number Names & Place Value

Place Value

All numbers from 10–19 have:

  • 1 Ten
  • Some Ones

Example

Number

Tens

Ones

10

1

0

11

1

1

12

1

2

13

1

3

14

1

4

15

1

5

16

1

6

17

1

7

18

1

8

19

1

9

20

2

0

Activity

Use bundles of 10 sticks.

Example

15

One bundle of ten

  •  

Five single sticks

=15

Write the Missing Numbers

10 __ 12 __ 14 __ 16 __ 18 __ 20

Before, After and Between

Before

Number

After

9

10

11

10

11

12

11

12

13

14

15

16

18

19

20

Period 3: Comparing Numbers

Greater Than (>)

18 > 14

Less Than (<)

11 < 19

Equal (=)

15 = 15

Ascending Order

Smallest to Greatest

11,12,13,14,15

Descending Order

Greatest to Smallest

20,19,18,17,16

Activity

Arrange number cards from 10–20 in order.

Period 4: Ordinal Numbers

What are Ordinal Numbers?

Ordinal numbers tell us the position or order of a person or object.

क्रमवाचक संख्याएँ किसी व्यक्ति या वस्तु का स्थान बताती हैं।

Ordinal Numbers Chart

Ordinal

Word

हिन्दी

1st

First

पहला

2nd

Second

दूसरा

3rd

Third

तीसरा

4th

Fourth

चौथा

5th

Fifth

पाँचवाँ

6th

Sixth

छठा

7th

Seventh

सातवाँ

8th

Eighth

आठवाँ

9th

Ninth

नौवाँ

10th

Tenth

दसवाँ

Example

Children standing in a line

👧 👦 👧 👦 👧 👦 👧 👦 👧 👦

Ask

Who is first?

Who is third?

Who is fifth?

Race Activity

Teacher asks:

Who came first?

Who came second?

Who came third?

Classroom Activity

Arrange students in a line.

Ask

  • Who is first?
  • Who is sixth?
  • Who is ninth?

Real Life Examples

School Assembly

Riya stands second.

Rahul stands fifth.

Running Race

Aman comes first.

Priya comes third.

Queue

Mother is fourth in the queue.

Games

Number Hunt

Hide number cards.

Students find numbers 10–20.

Ordinal Race

Students stand in a line.

Teacher calls

"Fourth"

The fourth child raises a hand.

Flash Card Game

Teacher shows

18

Children say

"Eighteen"

Teacher says

"Seventh"

Children show

7th

Worksheet

Fill in the blanks

10 __ 12 __ 14 __ 16 __ 18 __ 20

Match

10 — Ten

15 — Fifteen

18 — Eighteen

20 — Twenty

Count and Write

⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐

Answer ______

Circle the Bigger Number

12 17

19 15

10 20

Arrange in Ascending Order

18 12 15 10

Arrange in Descending Order

11 20 16 18

Write the Ordinal Number

First = ______

Third = ______

Sixth = ______

Tenth = ______

Circle the Correct Answer

Who comes after Second?

A. Third

B. Fourth

C. Fifth

Who comes before Sixth?

A. Fourth

B. Fifth

C. Seventh

Word Problems

  1. There are 15 balloons. Count and write the number.
  2. Rahul is standing third in the line. What is Rahul's position?
  3. There are 20 students in the class. Write the number name.
  4. Meena comes first in the race. What is her position?

Assessment

Oral Questions

  • What comes after 16?
  • What comes before 20?
  • Which is greater: 12 or 18?
  • Who is first in your row?
  • What is the number name of 19?

Written Questions

  1. Write numbers from 10 to 20.
  2. Write number names from 10 to 20.
  3. Arrange 12, 19, 10, 15 in ascending order.
  4. Write the ordinal numbers from 1st to 10th.

Common Mistakes

  • Confusing 12 with 21.
  • Mixing up 13 and 30 (introduce only recognition for now).
  • Writing number names with incorrect spelling.
  • Confusing cardinal numbers (how many) with ordinal numbers (position).

Homework

  1. Write the numbers 10–20 three times.
  2. Write the number names from 10–20.
  3. Draw 18 stars and count them.
  4. Ask your family members to stand in a line and write who is first, second, third, fourth, and fifth.

Revision Notes

Numbers 10–20

  • Count carefully from 10 to 20.
  • Every number has a numeral and a number name.
  • Numbers from 10–19 have 1 ten and some ones; 20 has 2 tens.

Ordinal Numbers

  • Ordinal numbers tell us the position of a person or object.
  • We write them as 1st, 2nd, 3rd, 4th, 5th...10th.
  • Examples: first, second, third, tenth.