2. Good Mor

4. Finding the
Percentage
in a
Given Problem
Q3 W2

5. Review (Identifying the base, percentage and
rate in a problem)
Complete the
table
BASE RATE PERCENTAG
E
1.) 24 25%
2.) 15 20%
3.) 60 50%
4.) 100 15%
5.) 80 10%
6
3
30
15
8

6. Good Mor
Steps in solving word
problems.
What is asked?
What are given?
What operation to be used?
What is the number sentence?
Solve
Understand
Plan
Show your solution
Check and look back
State the complete answer

7. What is asked? No. of faceshields he sold
What are given? 50 % 300pcs. of faceshields

8. Good Mor
What operation to be used?
What is the number sentence?
Solve
Plan
300 x 50 %= 150
Multiplication
300 x 50%=N
BASE X RATE= PERCENTAGE

9. Step 1: 300
x 50% Rate
Arranged the numbers
vertically.
Step 2 300
x 0.50
Move the decimal point of 50% twice
from right to left.

10. Step 3 300 Base
x 0.50 Rate
000
1500
15000 Percentage
BASE X RATE=
PERCENTAGE

11. A.Find the following
1) 30% of 90 =
2) 25% of 60 =
3) 80% of 80 =
4) 12% of 200=
5) 75% of 300=

12. NO. BASE RATE PERCENTAGE
1 90 30%
2 60 25%
3 80 80%
4 200 12%
5 300 75%
90 x .30= 27
60 x .25 = 15
80 x .80 = 64

13. Keep Trying!
Directions: Solve the following problems.
1) Teacher Lea called for the HRPTA Meeting. Only 95 % of 40 parents
in her
class were present. How many parents of Teacher Lea attended the
meeting?
2) Mang Luis harvested 50 kilograms of tomatoes in his farm. If 20% of
it were
given to his neighbors, how many kilograms of tomatoes were left to
him?
3) There are 40 marbles in the box. If 20% are red marbles and the rest
are blue
marbles, how many red marbles are there? How many blue marbles
are there?
4) Rica answered 60 items of examination correctly. If the examination
is
75 items , what percent of the examination items did Rica answer
correctly?

14. Answer
Directions: Solve the following problems.
1) 95 % of 40 = 40 x .95 =38 parents attend the meeting.
2 ) 50 x 20% = 50 x .20 =10 tomatoes given to neighbor
50-10= 40
tomatoes left on him
3) 40 x 20% = 40 x.20 = 8 are red marbles and 40-8 =
32 are blue
marbles
4) 60 items / 75 items =80% Rica answer correctly.

15. ASSESSMENT
A.Find the following
1) 9 % of 160
2) 24 % of 64
3) 30 % of 280
4) 55% of 500
5) 97 % of 5 800
Fill in the blank.
1.) _____is 40 % of 710
2.) 75 % of 880 is____
3.) is 85 % of 900

16. ASSESSMENT
A.Find the following
1) 9 % of 160=14.40
2) 24 % of 64 =15.36
3) 30 % of 280= 84
4) 55% of 500= 275
5) 97 % of 5 800=5625
Fill in the blank.
1.) _____is 40 % of 710 =284
2.) 75 % of 880 is = 660
3.) is 85 % of 900= 720

17. In finding the percentage of a given number
follow these steps
1. Find the rate in the given problem.
2. Arrange the numbers in vertically.
3. Move the decimal point of the given rate twice
from
right to left.
4. Multiply the numbers following the steps in
multiplication.
5. Count the number at the right of the decimal
point
Keep in
Mind