Answer Key/ Sample Answers

Event / Likelihood of the Event / Probability
A cat will fly / Impossible / 0%
Rolling a 7 on a standard number cube / Impossible / 0%
Randomly choosing a letter from the alphabet and it happens to be a consonant versus a vowel / Likely /
You correctly guessone of eight winning numbers between 1 and 10 / Likely /
I flip a coin and it lands heads up / As likely as not /
You roll an even on a standard number cube / As likely as not /
A particular persons birthday falls on the first of a month / Unlikely /
A spinner is equally divided into green, blue, yellow, and red. The spinner lands on blue. / Unlikely /
The sun will rise tomorrow / Certain /
Next week will have 7 days / Certain /

Match the event with the correct likelihood and correct probability. (LL)

Then explain what the probability means.

Event / Likelihood of the Event / Probability / Explanation of probability
EXAMPLE:
A cat will fly / Impossible / 0% / 0% chance of happening means it will never happen.
Rolling a 7 on a standard number cube / Likely /
Randomly choosing a letter from the alphabet and it happens to be a consonant versus a vowel / Certain /
You correctly guess one of eight winning numbers between 1 and 10 / Unlikely /
I flip a coin and it lands heads up / Impossible /
You roll an even on a standard number cube / As likely as not /
A particular persons birthday falls on the first of a month / Likely /
A spinner is equally divided into green, blue, yellow, and red. The spinner lands on blue. / Certain /
The sun will rise tomorrow / Unlikely / 0%
Next week will have 7 days / As likely as not /

Match the event with the correct likelihood and correct probability. (LL)

Then explain what the probability means.

Event / Likelihood of the Event / Probability / Explanation of probability
EXAMPLE:
A cat will fly / Impossible / 0% / 0% chance of happening means it will never happen.
Rolling a 7 on a standard number cube
Randomly choosing a letter from the alphabet and it happens to be a consonant versus a vowel
You correctly guess one of eight winning numbers between 1 and 10
I flip a coin and it lands heads up
You roll an even on a standard number cube
A particular persons birthday falls on the first of a month
A spinner is equally divided into green, blue, yellow, and red. The spinner lands on blue.
The sun will rise tomorrow
Next week will have 7 days

Fill in the chart with the missing information. For likelihood, use the words impossible, likely, as likely as not, unlikely, and certain. (OG)

Event / Likelihood of the Event / Probability / Explanation of probability
EXAMPLE
A cat will fly / Impossible / 0% / 0% chance of happening means it will never happen.
Impossible
Randomly choosing a letter from the alphabet and it happens to be a consonant versus a vowel /
Likely
I flip a coin and it lands heads up /
As likely as not
Unlikely
A spinner is equally divided into green, blue, yellow, and red. The spinner lands on blue. /
The sun will rise tomorrow /
Certain

Fill in the chart with the missing information. For likelihood, use the words impossible, likely, as likely as not, unlikely, and certain. (HF) Create any missing events that apply to the information given.

Event / Likelihood of the Event / Probability / Explanation of Probability
EXAMPLE
A cat will fly / Impossible / 0% / 0% chance of happening means it will never happen.
Rolling a 7 on a standard number cube
Likely
I flip a coin and it lands heads up
or
Unlikely
A spinner is equally divided into green, blue, yellow, and red. The spinner lands on blue.
Certain