WALT
Language of chance
WALT: Recognise that probabilities range from 0 to 1(ACMSP117)
Probability is the study of how likely something is to happen. Probability can be expressed in fractions, decimals, percentages and words.
Probability is the study of how likely something is to happen. Probability can be expressed in fractions, decimals, percentages and words.
Stretching your brain.
In your table groups word bank words that can be used for chance.
Cut up your word bank.
Peg them on our probability scale.
In your table groups word bank words that can be used for chance.
Cut up your word bank.
Peg them on our probability scale.
Equivalent Fractions
Equivalent Fractions are fractions that have the same value.
For example 2/4 is equivalent to 1/2
For example 2/4 is equivalent to 1/2
Probability
WALT: List outcomes of chance experiments involving equally likely outcomes and represent probabilities of those outcomes using fractions (ACMSP116)
WILF: Can you use a tree diagram to represent the possibility of outcomes using fractions.
WILF: Can you use a tree diagram to represent the possibility of outcomes using fractions.
Engaging the brain
Firing up the brain
Create your own tree diagram using the choices on the table.

Create your own tree diagram using the choices on the table.

Stretching the brain
Create a tree diagram of the possibilities of rolling a number on 2 dice.
 What was the possibility of rolling a odd number?
 What was the possibility of rolling a even number?
 What is the possibility of rolling a 3?
 Test to see if your right.
3. Create a tree diagram of the possibilities of spinning a certain colour on a spinner.
 What is the possibility of spinning a yellow?
 What is the possibility of spinning a blue?
 Add 2 more sections to your spinner, has the probability of spinning a yellow changed?
 What is the possibility now of spinning a blue?
The Monty Hall Problem
Stretching the brain
Exploring the Monty Hall Problem.
You will need:
Exploring the Monty Hall Problem.
You will need:
 Your shoulder partner.
 Whiteboard.
 2 Whiteboard makers.