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ICCT COLLEGES FOUNDATION INC.

V.V Soliven Avenue. Cainta, Rizal


COLLEGE OF TEACHER EDUCATION

Detailed Lesson Plan in Math 5

I. Objective :
At the end of the lesson, the students will be able to :
a. Round decimals to the nearest hundredths and thousandths
b. Understand the difference between the tenths place, the hundredths place, and the thousandth
place.
c. Apply rounding techniques.

II. SUBJECT MATTER


Topic : ROUNDING DECIMAL NUMBERS
Instructional Materials : PPT Presentation
References : https://www.youtube.com/watch?v=w5nNlyEI_qU
Math 5 Workbook (LGU Book )(pp.100-101)

TEACHER`S HINT TEACHER`S ACTIVITY STUDENT`S ACTIVITY


I. PRELIMINARIES
a. Greetings Good afternoon , Grade 5-Majesty ! Good afternoon, Miss
Tagapan!
b. Prayer Kindly stand up for the opening
prayer.
Manuel , please lead the (Manuel will stand up and
opening prayer. lead the prayer.)

c. Checking of Attendance Do we have any absentees (The class secretary will


today ? stand up and check the
Mischel, please list the names attendance.)
of absentees for today

d. Checking of Class , did I gave you an Yes, Ma`am !


Assignments assignment yesterday ?

Kindly pass your notebooks to ( The students will pass


your classmate in front you. their assignments.)

e. Motivation Before we proceed to our new topic,


let us have an energizer to warm up
our minds.
Are you ready,class ? Yes,Ma`am !

Let us watch a video and write down


the important details that you see. Yes,Ma`am !
Understand ?
https://www.youtube.com/watch?v=2
RqGOrISNs4
What is the song all about ? It is all about
Yes,Michael. decimals,Ma`am.

Very good ,Michael. What other It is said there that decimals


details have you observe ?Yes, are fractions too.
Nichel .

Very good, Nichel. Are there any I have also see in the video
observations that you have ? Yes , that decimals is a part of a
Bryan. whole

Excellent observations , class. I


guess you are all ready for our new
topic for today. Yes,Ma`am.
Am I right ?
II. LESSON PROPER
Let us have a simple activity before I
a. ACTIVITY present to you our new topic.
Get a 1/4 sheet of paper.

( The teacher will present the


exercise on the PPT )

All you have to do is to round off the


underlined digits to its nearest place
value.

1. 3.74
2. 0.658
3. 9.0075
4. 34.9
5. 163.152

Are you done,class ? Yes,Ma`am.


b. ANALYSIS After answering our simple activity, We rounded off decimals to
what have you notice ? their nearest place value.
Yes,Butch.

Excellent ,Butch.
c. ABSTRACTION To round off decimals, look at the
digit immediately to the right of the
digit to be rounded

Let us have an example:

The distance of a north star from


earth is 4.572 light years.Scientists
estimate that the north star is about
5 light years away.

4.572 was rounded to 5.


We round decimals just as we round
whole numbers.
Let us round 4.572 to different
places.

No. Rou Digit Is it Rou


nd to to more nd
the the than
near right 5?
est
4.57 Whol 5 YES 5
2 e
num
bers
4.57 tenth 7 YES 4.6
2 s
4.57 hund 2 NO 4.57
2 redth
s

Do you understand the table ?


Very good. Let us have more Yes,Ma`am.
examples.
HUNDREDTHS
0.231
0.232
0.233 0.23
0.234
0.235
0.236
0.237 0.24
0.238
0.239
0.3211
0.3212 0.321
0.3213
0.3214
0.3215
0.3216
0.3217 0.322
0.3218
0.3219
Always remember that if a digit is 5
or more , add 1 to the digit in the
rounding place and drop all the digit
to its right.
If a digit is 4 or less , just drop all
digits to the right of the digit in the
rounding place.
Do you understand, class ? Yes,Ma`am.

d. APPLICATION Now that we have already know how (The students will count the
to round off decimals, let us have a proceeds to their groups.)
group activity.I will divide you into
two groups. Kindly count 1,2 to have
your group number. After counting,
please proceed to you respective
groups.

For your activity, I have here sets of


decimals that has an underlined digit
that you will round off to the nearest
place value.
Are you ready ? Yes, Ma`am.

( The students will do their


activity.)

Are you done ? Yes,Ma`am.

All right. Please present your


answer on the board. Let us have Manuel will represent our
group 1. Who will present your group, Ma`am.
answers ?
Okay, Manuel. Present us your (Manuel will discuss their
answers. answers. )

Excellent work , Group 1.Now,let us Shiela, will represent our


proceed to Group 2.Who will group,Ma`am.
represent your group?

Okay, Shiela.Kindly present us your ( Shiela will present their


answers. answers. )

Excellent work , Group 2.

I am very grateful that you have fully


understand our lesson.
III. EVALUATION
Directions : Complete the table.Round to the indicated place value.
DECIMAL Nearest whole TENTHS HUNDREDTHS THOUSANDTHS
NUMBERS number
1. 64.5945
2. 8.7921
3. 0.6898
4. 6.0938
5.59.7648

IV. ASSIGNMENT
Directions : Round off the following numbers to the indicated place value.
1. 89.456 ( tenths)
2. 54.274 (hundredths)
3. 326.6937 ( thousandths)
4. 869.5383 ( thousandths)
5. 298.0927 ( ones)
6. 238.653 ( hundredths )
7. 5.0847 ( tenths )
8. 2.8732 ( thousandths )
9. 4.655 ( hundredths )
10. 8.4856 ( thousandths)

Prepared by :
Ms. Carla Joy F. Tagapan

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