Probability Using Spinners

Front

What is probability?

Back

Probability is the 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 will definitely happen, with a probability of 1.

Front

What does it mean if an event is impossible?

Back

An event is impossible if it cannot happen at all, with a probability of 0.

Front

How do you express probability as a fraction?

Back

Probability can be expressed as a fraction of the number of favorable outcomes over the total number of possible outcomes.

Front

What is the probability of landing on a number if there are 6 equal spaces?

Back

The probability of landing on any specific number is 1/6.

Front

If a spinner has 3 spaces for number 1 and 2 spaces for number 2, what is the probability of landing on 1?

Back

The probability of landing on 1 is 3/5.

Front

If a spinner has 4 spaces for green and 2 spaces for yellow, which color is more likely to be landed on?

Back

Green is more likely to be landed on because it has more spaces.

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 6?

Back

The probability of spinning an even number (2, 4, 6) is 3/6 or 1/2.

Front

If a spinner has 3 spaces for blue and 9 spaces for other colors, what is the probability of landing on blue?

Back

The probability of landing on blue is 3/12 or 1/4.

Front

What does it mean for an event to be 'more likely'?

Back

An event is 'more likely' if it has a greater chance of occurring compared to another event.