Theoretical
Experimental
Riddles
Vocabulary
How Likely is it?
100
Maria is flipping a coin.  What is the theoretical probability the coin will land on heads?
What is 1/2, 0.5, or 50%?
100
Layla flipped a coin 10 times and landed on heads 4 times. What is the experimental probability of landing on heads?
What is 2/5, or 0.4, or 40%?
100

Kate’s mother has three children: Snap, Crackle and ___?

Kate

100
Define "probability."
The chance that an event will occur
100
How likely is it that a coin is flipped and lands on tails?
Equally likely
200
The classic wood carousel at Carousel Park in Hampton, VA has 32 horses and 16 of them are standing horses. What is the probability of randomly selecting a standing horse?
What is 1/2, or 0.50, or 50%?
200

Jason rolled a die twenty times. He landed on 2 five times, 3 seven times,  6 two times, and 5 six times. What is the experimental probability of landing on 6?

1/10, 0.1, or 10% OR 2/20

200

What begins with T, finishes with T, and has T in it?

teapot 

200
Define "experimental probability."
The probability of what actually occurs.
200
How likely is it that a number cube is tossed and lands on 3?
Unlikely
300
What is the probability of rolling a number greater than 2 with a standard number cube?
What is 2/3, or 0.66, or 66%?
300

A letter tile is randomly selected from a bag, recorded, and replaced 100 times. The results are listed below. What is the experimental probability of selecting the letter "E"? A = 16 E = 11 I = 29 O = 19 U = 25

11/100 or 0.11, or 11%

300

How many months of the year have 28 days?

All of them

300
Define "theoretical probability"
The probability that you expect to happen
300
How likely is it that a number cube is tossed and it lands on 8?
never going to happen
400
There are 4 red marbles, 3 green marbles, and 1 yellow marble in a box. One marble is taken out of the box. What is the probability that the marble is red or yellow? 
What is 5/8, 0.625 or 62.5%?
400
Pedro recorded the types of birds that visit his bird feeder. Based on the results below, what is the probability the next bird will be a chickadee? Woodpecker = 3 Chickadee = 5 Cardinal = 1 Sparrow = 13 Blue Jay = 3
1/5, or 0.20, or 20%
400

What can you put between a 7 and an 8 so that the result is greater than a seven, but less than an eight?

a decimal (7.8)

400

Describe the difference between events that are certain, likely, unlikely, or impossible.

Certain would be 100% of the time, likely is anything greater than 50% of the time, unlikely is anything less than 50% of the time, and impossible is anything that has a 0% chance of occuring.

400
How likely is it that a number cube is tossed and lands on any number 1-6?
Certain
500
Jarvonya spins a spinner with 5 equal sections numbered 1-5. What is the probability she will spin and land on a composite number?
What is 1/5 or 0.2, or 20%?
500

Hasaan has a spinner with 5 equal sections, each a different color. What is the probability of landing on the blue section? 

1/5 or 0.2 or 20%

500

When Miguel was 6 years old, his little sister, Leila, was half is age. If Miguel is 40 years old today, how old is Leila?

She is 37 years old.

500
What do you call the type of event where more than one event is occuring? (Ex: spinning two dice)
Compound event
500
How likely is it that a number cube lands on 2 and a coin lands on heads?
unlikely
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