Lesson
Plan in Math (Integrated with HEKASI)
I. Objectives
At
the end of the class, the pupils are expected to:
a.
define expressions
b.
translate word phrases to numerical expressions
c.
write the correct numerical expressions
d.
exhibit appreciation to one’s culture
II. Subject Matter
A.
Numerical Expressions
B.
BEC PELC A.1.1.1; Mathematics for Everyday Use 6; Soaring 21^{st}
Century Mathematics 6
C.
pictures, flashcards, matrix chart, chalkboard
D.
Valuing one’s culture
III. Procedure
A. Preparatory Activities
1.
Motivation
Show picture of precolonial
Filipinos.
Ask: What can you see in the
pictures? In what time of history you think do these pictures show?
Discuss that Filipinos in
preHispanic times have their own system in counting numbers.
Examples:
pu=ten daan=libo laksa=ten thousand yuta=hundred thousand
angawangaw=million kati=ten million bahala=
hundred million
B. Developmental Activities
1. Activity (MiniGame)
Divide the class into 5 groups. Each
group must compete in naming the numbers shown in the flashcards. The first
group who will have 5 points wins.
2. Presentation
Explain to the students about
mathematical expressions and phrases.
Example:
Word Phrases

Mathematical Expressions

Five
times ten divided by three
Thirty
increased by one
Eighteen
diminished by nine

5 x 10 ÷ 3
30 + 1
18  9

Let the pupils provide their own
examples.
3. Exercise
Write
an expression for the following:
1.
your sister’s age more than seven
2.
the year today multiplied by two
3.
twice the number of your subjects
4.
the number of your fingers diminished by the number of your ears
5.
the number of chairs in the classroom divided by the number of chalkboards
4. Generalization
How do we translate word phrases
into mathematical expressions?
\
C. Application
(OutoftheClassroom Activity)
Write
an expression of the following:
1.
the number of classrooms in our school multiplied by the number of armchairs in
our room
2.
the sum of pillars in the covered court and the number of coconut trees
3.
the cost of arroz caldo in the canteen bought by twelve pupils
4.
the number of mango trees over the number of acacia trees
5.
the number of grade 1 classrooms less than the number of grade 4 classrooms
multiplied to six
IV. Evaluation
Write
the word phrase.
1. (4 x 5) + 18
2.
(18 ÷ 5) x ( 4 + 5)
3. 2
x ( 1 + 5)
4. 10
+ 5 – 15
5. 89
÷ 3 + ( 4 x 5)
Write
the expression.
1.
ninety twice added to thirty
2.
six diminished by ten times three
3.
four hundred over eight less than one
V. Assignment
Write 5 examples of mathematical
phrases with their corresponding translation to numerical expressions in a ½
sheet of pad paper.
Prepared by:
JAYLORD S. LOSABIA
Teacher I
A. Bonifacio Elementary School
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