5th Grade Probability and Outcomes

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 (impossible) and 1 (certain).

Front

What does it mean if an event is 'certain'?

Back

An event is 'certain' if it is guaranteed to happen. For example, if you flip a coin, it is certain that it will land as either heads or tails.

Front

What does it mean if an event is 'impossible'?

Back

An event is 'impossible' if it cannot happen at all. For example, rolling a 7 on a standard 6-sided die is impossible.

Front

What does 'unlikely' mean in probability?

Back

'Unlikely' means that an event has a low chance of occurring, but it is still possible.

Front

How do you calculate the total number of combinations?

Back

To find the total number of combinations, multiply the number of options for each category. For example, if you have 2 jackets and 3 ties, the combinations are 2 x 3 = 6.

Front

What is an example of a 'certain' event?

Back

An example of a 'certain' event is that the sun will rise tomorrow.

Front

What is an example of an 'impossible' event?

Back

An example of an 'impossible' event is that a person can fly without any assistance.

Front

If a spinner has 4 equal sections: red, blue, green, and yellow, what is the probability of landing on blue?

Back

The probability of landing on blue is 1 out of 4, or 25%.

Front

What is the probability of selecting a color that is not on the spinner?

Back

The probability of selecting a color not on the spinner is 0, as it is impossible.

Front

If you have 3 different colored shirts and 2 different colored pants, how many outfits can you make?

Back

You can make 3 x 2 = 6 different outfits.