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Tuesday, May 25, 2010

Changing Percent to Fraction

LC: Change percent to fraction and vice-versa.

I. Learning Objectives: After the activity, pupils shall be able to:
C: analyze the process in changing percent to fraction and vice-versa.
P: convert percent to fraction and vice-versa with accuracy.
A: do the activity joyfully.

II. Learning Content:
Topic: Changing Percent to Fraction and Vice-Versa
Concept: To express percent as a fraction,
express the percent as a fraction with a denominator of 100.
Then, simplify. To express a fraction as a percent, write a
a proportion and solve it.
Skill: Changing fraction to decimal and vice-versa
Values: Doing work joyfully.
Materials: ball, wastebasket
Resources: Apistar, E. (2005), Soaring 21st Century
Insigne, L. (2003), Math and Me
www. lessonpage.com

III. Learning Experience:
Classroom Routine - checking of attendance, ID, etc.

A. Introduction:
1. Prelection:
a. Review: What does the word percent mean?

2. Preview:
a. Presentation of the day’s lesson
b. Motivation:
· In the word person, 50% of the letter spells the name of a
family member. Ans. Son

· In the word “price”, 80% of the letters spells the word of the primary
food the Filipino eats. Ans. Rice

· In the word fraction, 75% of the letters spells the
word for the meaning of a verb.

In the word muse, 75% of the letters spell the word of the
answer to an addition problem. Ans.sum

B. Interaction:
Activity 1: Work in group of four

a. Stand behind a line 15 feet from a wastebasket.
b. Have each person throw a ball into the basket. Each person will have
five tries.
c. Have one group member record a ratio for the total number of baskets
made out of the total number of tries.
e. Calculate the percent of baskets made for the group.


Fill in the chart:

Total Number of Baskets Made/Total Number of Tries Percent



· How many shoots have you made?
· How many shoots/baskets have you tried all in all?
· How did you find the percent?

Activity 2: Drill
a. Write as percent:
5/100 ___
5/ 20 ___

b. Write each percent as a fraction in lowest term.
13%
36%

C. Integration:
1. Generalization:
· How do you convert fraction to percent? Percent to fraction?

2. Reflection:
· Did you enjoy the activity?

3. Action
· What should you do to make your work joyful?

IV: Evaluation: Quiz (portfolio)
The circle graph shows the monthly budget for the Aquino family.





a. What fraction in simplest form, represents the portion of the
family budget that is spent on:
- Rent - clothes - utilities
- savings -food

V: Assignment: Enrichment
Do page 198 letter of your book.

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