
St. James 04-23-2025 Probability
Presentation
•
Mathematics
•
6th - 8th Grade
•
Easy
Antoinette Norris Woodson
Used 1+ times
FREE Resource
10 Slides • 15 Questions
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I can determine if events are independent or dependent.
I can calculate conditional probability in real-world contexts.
I can apply geometric models (like area) to calculate probability.
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Events
The events DO NOT affect each other (marbles in a bag)
The item is REPLACED
(Marble is put back in bag)
8
The events DO AFFECT each other
The item is NOT REPLACED
(Marble is NOT put back)
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Open Ended
Coin Toss Decision 🪙
You flip a coin to decide who goes first in a game.
What is the probability it lands on heads? (Express as a fraction)
12
Open Ended
Rolling for a Prize 🎲
In a contest, you win if you roll an odd number on a standard die.
What is the probability of winning? (Fraction)
13
Open Ended
Lottery Wheel Spin 🎡
A lottery wheel has 8 equal slots numbered 1–8.
What is the probability it lands on number 7? (Fraction)
14
Open Ended
Drawing a King for Bonus Points 🃏
You draw a card from a standard deck.
What is the probability of drawing a king? (Fraction)
15
Open Ended
Color Raffle – Red or Blue Ticket 🎟️
A raffle has 26 red and 13 blue tickets in a box of 52 tickets.
What’s the probability of drawing a red or blue ticket? (Fraction)
16
Open Ended
You draw one card.
What’s the probability of drawing a heart or an ace? (Decimal, round to hundredth)
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Open Ended
Rolling Double Sixes in a Game 🎲
You roll two dice.
What’s the probability of rolling two sixes? (Fraction)
18
Open Ended
You have 5 red socks and 3 blue socks. You randomly grab two without replacement.
What’s the probability both are blue? (Fraction)
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Open Ended
Garden Plot 🌻
A rectangular garden is 200 ft². A flower bed takes up 50 ft².
What is the probability a randomly tossed seed lands in the flower bed? (Decimal)
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Open Ended
Coin Flip & Dice Roll Combo 🎲🪙
You flip a coin and roll a die.
What’s the probability of getting tails AND rolling a 4? (Fraction)
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Open Ended
Drawing Two Aces Without Replacement 🃏
You draw 2 cards from a deck without replacement.
What is the probability both cards are aces? (Fraction)
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Open Ended
Playground Sandpit 🏖️
A playground is 300 m². The sandpit is 75 m².
What is the probability a child randomly stands in the sandpit? (Percent)
23
Open Ended
Survey – Club Membership 🎓
In a school of 40 students:
18 are in Drama
15 are in Music
5 are in both
What’s the probability a student is in Drama or Music? (Fraction)
24
Open Ended
Drawing a Face Card 🂫
You draw one card.
What’s the probability it’s a face card? (Fraction)
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Open Ended
Carnival Dart Game 🎯
A board is 144 in². The prize zone is 36 in².
What’s the probability of hitting the prize zone? (Fraction)
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