DEMO TEACHING

Hello, Learners!

Welcome to the

world of

Mathematics

PREPARATORY

Opening Prayer

OPENING PRAYER

God our loving Fathe be with us today

as we are living together

loving each other

OPENING PRAYER

and learning in Christ to follow your way

We ask this through

Christ our Lord. Amen

Good morning class!

How are You?

Checking of
attendance

If you are
complete say
“Hooray” but if
you are incomplete
say “Hep-Hep.”

Class Rules

a. Listen
attentively
and respect if
someone is
talking.

Class Rules

b. Raise your
hand if you want
to speak. Don’t
talk if your name
is not being
called.

Class Rules

c. Be courteous
all the time.
Remember this is an academic
place.

Class Rules

d. Cooperate
during recitation and other learning
activities

e. Do your best
always.

MATHEMATICS

CLASS

Let’s review: “Pass the Ball”

Mechanics:
While the music is playing you should pass the ball to your seatmate. Don’t throw the ball. When the music stops, the one holding the ball will answer the question.

MATHEMATICS

CLASS

1. Flat figures are two-
dimensional figures

REVIEW TIME

Multiple Choice

1. Flat figures are two-dimensional figures.

• True

• False

MATHEMATICS

CLASS

2. You can get the area of a
rectangle by multiplying the
length and the width (A= l x w)

REVIEW TIME

Multiple Choice

2. You can get the area of a rectangle by multiplying the length and the width (A= l x w)

• True

• False

MATHEMATICS

CLASS

𝒃 𝒙 𝒉

𝟐

REVIEW TIME

3. You can get the Area of the triangle by dividing the 2 by the product of its base and height or (A= ___ )

MATHEMATICS

CLASS

𝒃 𝒙 𝒉

𝟐)

REVIEW TIME

3. You can get the Area of the triangle by dividing the 2 by the product of the base and height or (A= ___ )

Multiple Choice

3 . You can get the Area of the triangle by dividing 2 by the product of the base and height or (A= $$\frac{1}{2}$$ 𝒃 𝒙 𝒉 )

• True

• False

MATHEMATICS

CLASS

4. A triangle is an example
of solid figure.

REVIEW TIME
FALSE

Multiple Choice

4. A triangle is an example of a solid figure.

• True

• False

MATHEMATICS

CLASS

5. A rectangle is a flat or 2D
figure

REVIEW TIME

Multiple Choice

5. A rectangle is an example of a flat or 2D figure.

• True

• False

MATHEMATICS

CLASS

Drill :

B. Direction: Identify the shape of the

following solid figures.

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MATHEMATICS

CLASS

REVIEW TIME

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MATHEMATICS

CLASS

REVIEW TIME

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​

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MATHEMATICS

CLASS

Let’s play: “ Guess the Word”

Guess the hidden words that are shown in the picture.

MATHEMATICS

CLASS

tion

MATHEMATICS

CLASS

Rela

tion

ship

tion

MATHEMATICS

CLASS

MATHEMATICS

CLASS

Volume

MATHEMATICS

CLASS

​

MATHEMATICS

CLASS

Prism

Rectangular

MATHEMATICS

CLASS

MATHEMATICS

CLASS

Pyramid

Pyramid

Relationship

Volume

Rectangular Prism

The ________ of the _______between the __________ and _______.

Pyramid

Relationship

Volume

Rectangular Prism

The relationship of the volume between the rectangular prism and pyramid.

Objectives:

At the end of the lesson you are
expected to:
- determine the relationship of the

volume between a rectangular prism
and a pyramid.

- derive the formula for finding the

volume of rectangular prism and
pyramid.

- apply this in real- life situation.

Let’s explore our community:

Kiddie Pool
at Hotel Dian

How much water
is needed to fill
the kiddie pool, if
it measures 20
meters long, 5
meters wide and 1
meter high?

How many cubic units are there in one layer?

How many cubic units are there in one layer?

9 cubic
units

1

5

4

7

6

3

2

8

9

How many layers fill the Rubik's cubes?

How many layers fill the Rubik's cubes?

3 layers

1

3

2

How many cubic units are there in all?

3 layers

9 cubic units per layer

How many cubic units are there in all?

3 layers

9 cubic units

x 3 layers

27 cubic units

9 cubic units per layer

A cube is an example of a prism.

length

width

height

What do you call the amount of
space inside the
prism?

length

width

height

Volume

is the amount of
space inside the
prism.

How much water is
needed to fill the
kiddie pool, if it
measures 20 meters
long, 5 meters wide
and 1 meter high?

V= l w h

V= 20 m x 5 m x 1 m

V= 100 m³

V= l w h

V= 20 m x 5 m x 1 m

V= 100 m³

How much water is needed to fill the kiddie pool?

V= l w h

V= 20 m x 5 m x 1 m

V= 100 m³

What is the volume of the kiddie pool?

Values Integration

What country is well know for its pyramids?

What country is well know for its pyramids?

Egypt

Open the Magic Box

What objects are inside the magic box?

​

Open the Magic Box

The base is 10.16 cm long, 20.32 cm wide, and
15.24 cm in height.

Consider that these objects have the same
base and height

How many rectangular pyramids are needed
to fill this rectangular prism with water?

How many rectangular pyramids are needed
to fill this rectangular prism with water?

3 rectangular pyramids

What is the formula in getting the volume of
the pyramids?

What is the formula in getting the volume of
the pyramids?

V of pyramid =

𝒍𝒘𝒉

𝟑

𝟏
𝟑

𝒍𝒘𝒉

or V =

Let’s try this:

Direction: Consider that prism and
the pyramid have the base height.

Find the volume of the pyramid. The
learner who can answer the question

correctly will be given a prize.

9 cm
4 cm

6 cm

1. What is the volume of the pyramid based on the
measurement of the rectangular prism?

9 cm
4 cm

6 cm

1. What is the volume of the pyramid based on the
measurement of the rectangular prism?

The volume of the pyramid is 72 cm.

9 cm
4 cm

6 cm

V= l x w x h
V=?

V= 9 cm x 4 cm x 6 cm

V= 36 cm2x 6 cm
V= 216 cm3

V= 72 cm
V= 216 cm3 ÷ 3 =

The volume of
the pyramid is
72 cm.

V=Bh

3

V= 9 cm x 4 cm x 6 cm

3

Checking:

V= 216 cm3

3

V= 72 cm

Let’s answer together:

Group Activity:

Reminder
1. Finish your work with in 5

minutes

2. Cooperate with your groupmates
3. Assign a leader, secretary, time

keeper and a reporter.

Group 1: “SING WITH ME”

The rubric is found inside the envelop.

Direction: Compose a rap song
about the relationship between the
volume of a rectangular prism and
a pyramid.

Group 2: CHOOSE ME

The rubric is found inside the envelop.

Direction: Determine the volume of
the following.

Group 3: “Measure Me”

The rubric is found inside the envelop.

Direction: Determine the
relationship of the volume
between a rectangular prism and a
pyramid by measuring the
dimension.

Presentation of output

Direction: Each groups are given 3
minutes to present their work.

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Generalization

What is the formula in getting the volume of
rectangular pyramid?

What is the formula in getting the volume of
rectangular prism?

V of pyramid =

𝒍𝒘𝒉

𝟑
V of pyramid =

𝟏
𝟑𝒍𝒘𝒉

V = 𝒍𝒘𝒉

Generalization

What is the formula in getting the volume of
rectangular pyramid?

What is the relationship between the volume of
prism and pyramid with the same base area and
height

MATHEMATICS

CLASS

Quiz time:

Direction: Determine the relationship
between the volume of the rectangular
prism and pyramid using the formula:
V = lwh
V=

𝒍𝒘𝒉

𝟑or V=

𝟏
𝟑Bh

1. Which is bigger in volume? Justify your answer.

a. six pieces of rectangular pyramids with a

dimension of 5 m long, 3 meters wide, and 6 m
high.

b. four pieces of a rectangular prism with a
dimension of 12 m long, 2 meters wide, and 3 m
high

MATHEMATICS

CLASS

Assignment:

Direction: Using colored paper, make a paper
pyramid and rectangular prism with the same
base area and height. Determine the
relationship of the volume.
For your reference watch

https://youtube.br/wZBs9JW3qc0