Choose a ball Image

Please note: This site contains links to websites not controlled by the Australian Government or ESA. More information here.

Go to website

Choose a ball

A sequence of lessons designed to build student understanding of probability. By exploring different questions that students pose from the given prompts, the inquiry can cover many areas. Students may choose to work individually or in pairs throughout the lesson to build on their understandings. Examples of student questions and responses are provided, with visuals to guide the teacher to build and develop student understanding of the topic. Additionally, a prompt sheet and PowerPoint have been provided.

Additional details

Year level(s) Year 9
Audience Teacher
Purpose Assessment task, Extension, Student task, Teaching resource
Format Downloadable resources
Teaching strategies and pedagogical approaches Collaborative learning, Differentiated teaching, Explicit teaching, Feedback, Mathematics investigation
Keywords probability, permutation, replacement, combination

Curriculum alignment

Curriculum connections Critical and creative thinking, Numeracy
Strand and focus Probability, Statistics, Build understanding, Apply understanding
Topics Chance and probability
AC: Mathematics (V9.0) content descriptions
List all outcomes for compound events both with and without replacement, using lists, tree diagrams, tables or arrays; assign probabilities to outcomes


Calculate relative frequencies from given or collected data to estimate probabilities of events involving "and", inclusive "or" and exclusive "or"

Numeracy progression Understanding chance (P6)

Copyright details


Inquiry Maths


© Andrew Blair 2012-21. Creative Commons BY-NC-SA 4.0.