Lesson

Can you remember the words we can use to describe chance ?

What is the chance of winning the lottery?

A

Impossible

B

Unlikely

Worked Solution

Idea summary

Terms to describe chance:

Impossible: definitely will NOT happen.

Unlikely: more likely NOT to happen than to happen.

Even chance: one thing is not more likely to happen than the other

Likely: more likely to happen than not to happen.

Certain: definitely will happen.

Do you know how to use and interpret the actions of a spinner or a die? This video will show you how.

If you spin this spinner:

a

What is the most likely symbol to spin?

A

B

C

Worked Solution

b

What is the likelihood of spinning an apple?

A

Unlikely

B

Likely

C

Even chance

Worked Solution

Idea summary

If something appears on a spinner or die more than half the time, then it will be likely to land on.

If something appears on a spinner or die less than half the time, then it will be unlikely to land on.

Playing cards are often used as a prop when exploring chance. This video will show you what is in a deck of cards so you can make sense of chance questions about cards.

These four cards are shuffled and you draw one at random:

a

What are the chances of drawing a Jack, Queen, or King?

A

Unlikely

B

Likely

C

Even chance

Worked Solution

b

What are the chances of drawing a card with a number less than 4?

A

Unlikely

B

Likely

C

Even chance

Worked Solution

Idea summary

Whatever we use to look at chance, it's important to consider all of the possible outcomes, as well as the total objects we have.