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Lesson Plan in Math 1 - Ordinal Numbers 1st to 20th

Vera Alva C Villalas
Lesson Plan in Math 1 - Ordinal Numbers 1st to 20th

Detailed Lesson Plan



I. Objectives :

At the end of the lesson, the pupils are expected to:

A. Identify the ordinal numbers from 1st up to 20th using words and numbers

B. Express the importance of position/rank in any object using ordinal numbers

C. Match the ordinal numbers with their words and objects presented.

II. Subject Matter :

Topic : Ordinal Numbers 1st up to 20th

References :

Materials : Worksheets, Pictures, Cut outs, Chart,

K.B.I : Listen and Participate

Values Integrated : Cooperation

III. Procedure :

Teachers Activity Pupils Actvity

A. Preparatory Activities

a. Exercise/Opening Song

The Hello Song – Youtube Video

b. Prayer

Everybody stands up, bow your head, fold your hands, close your eyes and let us pray.

c. Checking of attendance

Everybody please sit down, hands on your lap.

It seems everyone is present, let us clap our hands for today’s complete attendance.

d. Greetings

Good morning children

How are you today?

I am also good. Are you ready for our next lesson class?

e. Setting behavioral standards

Before starting our lesson, let us have an agreement first.

What will you do if you want to answer a question?

Yes Aaron?

Correct! Answering or asking a question will only be permitted after raising hands.

What will you do when someone is speaking in front?

Yes Mattheo?

Pak Ganern! Everyone should listen attentively and do not disturb the speaker.

It is also a sign of respect to others, am I correct class?

Lastly, what will you do when having a group activity?

Yes Andrew?

Beri gud, beri gud! Everyone must actively participate in the activities, and cooperate with their teammates to finish faster.

This is our agreement children; will you fulfill our agreement today?

f. Review

Before we start our lesson, I want everyone to count from 1 up to 20.

Row 1…

Row 2…

Row 3…

How many numbers are there?

Very good!

g. Drill

Instruction: Count and pick the right number.

I need 9 volunteers to answer each box.

Color the box of the number you pick/choose.

Here are the colors. Any volunteers?

(after picking)

Start now. You only have 2 minutes to finish coloring all your answers.

(after 2 minutes)

Clap your hands to the correct answers, children.

B. Motivation

Now, before moving forward…

I have here 20 kinds of animals…

I need 20 volunteers to race. Anyone?

The volunteers will hold any kind of animals and run 3 meters from the starting line to finish…

The starting line will be from the back, and the finish line is here in front.

The 1st and last animal will have a ribbon…

Each ribbon will distinguish your rank in the race…

Are you ready?

Okay, let’s start.

(after the race)

Now, all the animals held their Ribbons.

The volunteers will now line up in front according to their rank in the race.

As you can see, they are in order.

Can anyone tell me what animal is in the 1st place?

How about the 5th place?

Very good!

Now, what do you think is our lesson for today?

Yes Jheric?


Our lesson for today concerns numbers, specifically, about ORDINAL NUMBERS.

From the word ordinal, it means that the numbers are in order.

Seeing that, the lineup of volunteers is from 1st to 20th.

Okay volunteers, you may sit down.

C. Discussion

What are Ordinal Numbers?

Ordinal Numbers define rank or position

Well, a rank is a “degree or position of dignity, eminence, or excellence”.

Numbers that are used to represent the rank or position of an object or a person are known as ordinal numbers.

Example of this:

The pig got the 1st place

The tiger got the 2nd place

The bee got the 3rd place

And so on…

As you can see, here are the animals that got 1st to 20th position in order.

They got in order, according to their rank in the race.

The first animal deserves to be in the first rank because he/she came first from the race, after all.

This shows the first animal is capable enough to finish the race first.

You got to know who came first or last just by looking at them.

So, you have to rank them carefully.

Do you understand children?

Okay, let’s move on to another example.

Pasted in front are number cut outs from 1 to 20. They are not in order.

I need a volunteer to arrange the numbers orderly from 1 to 20.

(after arranging)

This is what we call ordinal numbers.

Number 1 will be the 1st

Number 20 will be the 20th.

This shows that the 1st number should be in the 1st rank because it’s the least and the 20th number is at the 20th rank since it’s the greatest.

Ranking or positioning varies in how we interpret them.

I have here a chart.

These shows the ordinal numbers and their words.

I will call someone and you will have to read, as well as, spell the words.

Are you ready children?

Terrence, please read and spell the 1st word.

Ameroding, please read and spell the 20th word.

From the above list, you can see that we write ordinal numbers by using the last two letters of the word.

For example, fifth = 5th.

When looking at compound numbers, we apply the following:

Numbers ending with 1: Only add “st” (e.g., twenty-first = 21st, thirty-first = 31st)

Numbers ending with 2: Only add “nd” (e.g., twenty-second = 22nd, thirty-second = 32nd)

Numbers ending with 3: o/Only add “rd” (e.g., twenty-third = 23rd, thirty-third = 33rd)

Numbers ending with 4, 5, 6, 7, 8, 9, or 0:

Only add “th” (e.g., twenty-fourth = 24th, thirty-fifth = 35th)

Order is synonymous with organization and discipline.

Therefore, an orderly person is capable of organizing, classifying, and arranging things in a meticulous and harmonious fashion.

But, at the same time, orderly people are able to be disciplined and methodical in their conduct and thoughts.

One always needs to clarify priorities and to have the organizational skills to do things in their proper order.

This is an important tool for accomplishing anything in life.

One needs to know and identify what must be done and then an order of priorities must be established.

We will never have enough time to do everything we would like to do.

By being aware of the order of importance of what you have to do, you will ensure that you will effectively accomplish the most possible within the limitations of the time allotted to you.

Do you understand how ordinal number works now children?

Very good!

D. Presenting new Skills

1. Activity

Let’s have an activity.

I have here the Ribbons from 1st to 20th.

Now, I will randomly give them to anyone.

After giving out the 20 Ribbons, in 1 minute I want everyone to line up in front and search their rightful place according to their ordinal numbers and ranks.

(after distribution)

Start now.

(after 1 minute)

Now class, let’s see if they have arranged their selves accordingly.

Please show the Ribbons to the class.

Glycyr, do you think that they’re arranged according to their ranks?

Then, whose holding the 15th ribbon, Rainver?

Whose holding the 7th ribbon, Chester?

Whose holding the 12th ribbon, Charles?


Now, let’s read what’s written on the Ribbons aloud.

(after reading)

Volunteers, please paste the Ribbons on the board.

You may now sit down.

2. Infusion of values

a. Based on your activity, how did you work as a group?

b. How were you able to answer all the questions?

c. What will you do to maintain organized and orderliness in the group activity?

Very well said!

E. Generalization

Do you now understand the importance of using ordinal numbers children?

Why do we need to use ordinal numbers?


Why do we need to know the rank or position of any kind?


How important is order in life?


NOW, as you can see in this chart.

Some ordinal numbers are missing, I need volunteers to fill in the blanks with the correct ordinal numbers from 1st to 20th.

To establish good orderly skills, we need to know the basic rank/position of the ordinal numbers and its importance to the system.

Any volunteers?

(after picking)

Start now.

(after writing)

Does all the ordinal numbers in their proper places?


Let’s clap our hands to them.

The ordinal numbers from 1st to 20th is now completed correctly.

F. Application

I will divide the class into 2 groups.

The ones on the left will be the 1st group and the ones on the right will be the 2nd group.

Choose your leader and reporter.

Pasted in front are the charts with ordinal numbers and words.

By writing a line, I want you to connect the ordinal numbers to its equivalent words.

Are you ready?

I will only give you 2 minutes.

The time starts now.

(after 2 minutes)



Time is up.

Leaders please come in front with your reporters.

NOW, let’s have each leader and reporter check the other groups’ work.

After checking, see to it that you report the score of the other group.

Start now.

(after checking)

Are there any wrong answers from the 1st group?

Are there any wrong answers from the 2nd group?

Brilliant! Let’s give ourselves a round of applause for matching all the correct answers!

Because the groups have given the correct answers, it’s time for a short quiz!



(sitting down)

(clapping hands)

We are fine teacher.

How about you?

Yes teacher.

Raise our right-hand teacher.

Listen teacher

Yes teacher

Participate teacher

Yes teacher





20, teacher

(raising hands)

(coloring the answers)

(clapping hands)

(raising hands)

Yes teacher

(volunteers racing in front)

(lining up from 1st to 20th)



Numbers teacher.

Yes teacher

(raising hands)

(arranging numbers)

Yes teacher



Yes teacher

(lining up)

(showing the ribbons)

Yes teacher





(volunteers pasting the ribbons)

(sitting down)

We worked quietly.

All of us cooperated in answering.

We followed the instructions

Listen to the leader teacher.

(yes teacher)

(to know their ranks and/or position)

(to put everything in order)

(order is an important tool for accomplishing anything in life)

(raising hands)


Yes teacher

(clapping hands)


Yes teacher


(checking answers)

None teacher

None teacher

(clapping hands)

IV. Evaluation :

I have here worksheets, I will give each one of you a copy.

Prepare your pencils.

These worksheets should be answered within 5 minutes.

After answering, you pass it back to me.

Instruction: Circle the right ordinal numbers according to their words.

You may start now.

(after 5 minutes)

Time is up. Pass your papers, finish or not finish.

We will now determine who answered correctly.

Allan, you answer the 1st question.

Followed by Elmar for the 2nd question.

Lastly, Cedric for the 20th question.

Check the papers and write corrected by at the right bottom of the worksheet for +10 points

V. Assignments :

Instruction: Identify the ordinal position of the following letters (the first one is done for you).



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Lesson Plan in Math 1 - Ordinal Numbers 1st to 20th
February 13, 2023
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