Grade 8
Ms. Marjorie M. Estuita
MATH CLASS PRAYER
Dear Lord,
Thank you for the hundredfold blessings in our life.
Help us to multiply love with one another.
Divide our God given talent.
May we add happiness and positive thoughts to
everybody.
And subtract wrongdoings and grudges in our hearts.
This we ask in Jesus name….
Amen
PROBABILITY
OF SIMPLE
EVENTS
Ms. Marjorie M. Estuita
HELLO CLASS…. Tell me with
emoji you’re
feeling today…
Which emoji are
you today??
LET’S HAVE A RECALL…
Directions: Fill in the blank
with the correct form of
word.
________________is the chance that something will happen.
___________________________ is a chance process that leads to a well-
defined result called an outcome.
_______________ is the result of a single trial of an experiment.
___________________ is the set of all the possible outcomes.
_________________ is just one of the possible outcomes.
___________ is any set of one or more outcomes satisfying
some given conditions.
Probability
Probability Experiment
Outcome
Sample space
Sample point
Event
Picture Perfect
I will present you with
different pictures of objects,
and you will give the fraction
form of what is being asked.
• the number of the syringes
over all the objects
• the number of the virus
picture over all the objects
𝟔
𝟏𝟏
𝟓
𝟏𝟏
• the shaded part
• the unshaded part
𝟑
𝟒
𝟏
𝟒
• the number of the word UP
over all the words in the
picture
• how about the word MAKE?
• how about the word ART?
𝟖
𝟏𝟓
𝟕
𝟑𝟎
𝟕
𝟑𝟎
• the number of the word MATH
over all the words in the picture
• how about the word IS?
• how about the word FUN?
𝟖
𝟐𝟕
𝟏
𝟑
𝟏𝟎
𝟐𝟕
• the number of the word I over
all the words in the picture
• how about the word LOVE?
• how about the word MATH?
𝟏
𝟒
𝟐
𝟓
𝟕
𝟐𝟎
PROBABILITY OF SIMPLE EVENTS
Probability is the chance that something will happen.
How do we calculate or solve probability?
P(event) = number of favorable outcome/s_
number of all possible outcomes
P (event) = __number of expected events____
number of all possible outcomes
EXAMPLES:
1.What is the probability of getting a tail in tossing a single coin?
P(tail) = 1
2
2. What is the probability of getting a HEART from a deck of cards?
P(heart) = 13 = 1
52 4
3. There are 20 marbles in a box. 4 are red, 5 are blue and 11 are
yellow. What is the probability that a yellow marble will be picked?
P(yellow marble) = 11
20
LET’S TRY THIS
𝟏
𝟓
𝟏
𝟔
0
𝟑
𝟏𝟎
𝟏
𝟓
𝟏
𝟐
WHAT’S IN THE BOX?
A box contains 7 red balls, 5 orange balls, 4 yellow balls,
6 green balls, and 3 blue balls.
What is the probability of drawing out:
a. an orange ball?
b. a red ball?
c. a yellow ball?
d. a green ball?
e. a blue ball?
Numbers, numbers, numbers…
Direction: Find the probability of the following simple
events.
Given: Set J = {1, 2, 3, 4, 5, 6, 7, 8, 9}
1. even numbers
2. odd numbers
3. prime numbers
4. number divisible by 3
5. number divisible by 4
GROUP ACTIVITY
𝟏.
𝟓
𝟐𝟑
𝟒.
𝟐
𝟐𝟑
𝟐.
𝟕
𝟐𝟑
𝟑.
𝟗
𝟐𝟑
5. green candy
Answer
GENERALIZATION
What is a probability?
Probability is the chance that something will happen.
How can we calculate or solve probability?
P(event) = number of favorable outcome/s_
number of all possible outcomes
P (event) = __number of expected events____
number of all possible outcomes
QUIZ
Answer the following.
THINGS TO PONDER
How can we use or apply
probability in our life?
What possible lesson in other
subject will you integrate
probability?
QUOTES OF THE DAY
HOW WELL DO YOU LEARN THE LESSON?
Powerpoint Presentation on Probability by Marjorie M. Estuita

Powerpoint Presentation on Probability by Marjorie M. Estuita

  • 1.
  • 2.
    MATH CLASS PRAYER DearLord, Thank you for the hundredfold blessings in our life. Help us to multiply love with one another. Divide our God given talent. May we add happiness and positive thoughts to everybody. And subtract wrongdoings and grudges in our hearts. This we ask in Jesus name…. Amen
  • 3.
  • 4.
    HELLO CLASS…. Tellme with emoji you’re feeling today… Which emoji are you today??
  • 5.
    LET’S HAVE ARECALL… Directions: Fill in the blank with the correct form of word.
  • 6.
    ________________is the chancethat something will happen. ___________________________ is a chance process that leads to a well- defined result called an outcome. _______________ is the result of a single trial of an experiment. ___________________ is the set of all the possible outcomes. _________________ is just one of the possible outcomes. ___________ is any set of one or more outcomes satisfying some given conditions. Probability Probability Experiment Outcome Sample space Sample point Event
  • 7.
    Picture Perfect I willpresent you with different pictures of objects, and you will give the fraction form of what is being asked.
  • 8.
    • the numberof the syringes over all the objects • the number of the virus picture over all the objects 𝟔 𝟏𝟏 𝟓 𝟏𝟏
  • 9.
    • the shadedpart • the unshaded part 𝟑 𝟒 𝟏 𝟒
  • 10.
    • the numberof the word UP over all the words in the picture • how about the word MAKE? • how about the word ART? 𝟖 𝟏𝟓 𝟕 𝟑𝟎 𝟕 𝟑𝟎
  • 11.
    • the numberof the word MATH over all the words in the picture • how about the word IS? • how about the word FUN? 𝟖 𝟐𝟕 𝟏 𝟑 𝟏𝟎 𝟐𝟕
  • 12.
    • the numberof the word I over all the words in the picture • how about the word LOVE? • how about the word MATH? 𝟏 𝟒 𝟐 𝟓 𝟕 𝟐𝟎
  • 13.
    PROBABILITY OF SIMPLEEVENTS Probability is the chance that something will happen. How do we calculate or solve probability? P(event) = number of favorable outcome/s_ number of all possible outcomes P (event) = __number of expected events____ number of all possible outcomes
  • 14.
    EXAMPLES: 1.What is theprobability of getting a tail in tossing a single coin? P(tail) = 1 2 2. What is the probability of getting a HEART from a deck of cards? P(heart) = 13 = 1 52 4 3. There are 20 marbles in a box. 4 are red, 5 are blue and 11 are yellow. What is the probability that a yellow marble will be picked? P(yellow marble) = 11 20
  • 15.
  • 16.
    WHAT’S IN THEBOX? A box contains 7 red balls, 5 orange balls, 4 yellow balls, 6 green balls, and 3 blue balls. What is the probability of drawing out: a. an orange ball? b. a red ball? c. a yellow ball? d. a green ball? e. a blue ball?
  • 17.
    Numbers, numbers, numbers… Direction:Find the probability of the following simple events. Given: Set J = {1, 2, 3, 4, 5, 6, 7, 8, 9} 1. even numbers 2. odd numbers 3. prime numbers 4. number divisible by 3 5. number divisible by 4
  • 18.
  • 19.
    GENERALIZATION What is aprobability? Probability is the chance that something will happen. How can we calculate or solve probability? P(event) = number of favorable outcome/s_ number of all possible outcomes P (event) = __number of expected events____ number of all possible outcomes
  • 20.
  • 21.
    THINGS TO PONDER Howcan we use or apply probability in our life? What possible lesson in other subject will you integrate probability?
  • 22.
  • 23.
    HOW WELL DOYOU LEARN THE LESSON?