Spin to Win
A spinner has 4 equal sections. One section is red. What is the probability of landing on red?
1/4
What is the probability of rolling a 6 on a standard die?
1/6
A bag has 3 red marbles and 2 blue marbles. What is the probability of choosing a blue marble?
2/5
The weather forecast says there is a 90% chance of rain tomorrow. Should you probably bring an umbrella?
Yes
What word describes an event that will definitely happen?
Certain
A spinner has 8 equal sections. Two sections are blue. What is the probability of landing on blue?
2/8 or 1/4
What is the probability of rolling an even number on a standard die?
3/6 or 1/2
A jar has 5 green cubes, 3 yellow cubes, and 2 red cubes. What is the probability of choosing a green cube?
5/10 or 1/2
A multiple-choice question has answers A, B, C, D, and E. What is the probability of guessing correctly?
1/5
What word describes an event that cannot happen?
Impossible
A spinner has 10 equal sections numbered 1–10. What is the probability of landing on an odd number?
5/10 or 1/2
Two dice are rolled. What is the probability that both dice show an even number?
1/4
A box contains 20 markers. 8 are black. What is the probability of NOT choosing a black marker?
12/20 or 3/5
A game show contestant chooses between Door A, Door B, and Door C. One door has a prize. What is the probability of choosing the correct door?
1/3
What is the total number of possible outcomes called?
Sample space
A spinner has 12 equal sections. Three sections are green. What is the probability of NOT landing on green?
9/12 or 3/4
Two dice are rolled. What is the probability of rolling doubles?
1/6
A card numbered 1–20 is chosen. What is the probability of choosing a number greater than 5 and less than 15?
9/20
In a field of flowers, 43% are yellow and the rest are white. What is the probability a bee lands on a white flower?
57/100
True or False: The probability of an impossible event is 0.
True
A spinner has 5 equal sections: 2 yellow, 2 blue, and 1 purple. What is the probability of landing on yellow or blue?
4/5
Two dice are rolled. What is the probability that the sum is 12?
1/36
A card numbered 1–25 is chosen. What is the probability of choosing an even number?
12/25
A restaurant offers water or juice, and pizza, pasta, or salad. How many different meal combinations are possible?
6
True or False: A probability can be greater than 1.