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ACARA AC9M5P01, Equally likely outcomes

Year 5 · Probability

List the outcomes of chance experiments with equally likely outcomes and compare them with experiments whose outcomes are not equally likely.

Below are free printable maths worksheets that support AC9M5P01. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.

Teaching guide

What students learn

List the outcomes of chance experiments with equally likely outcomes and compare them with experiments whose outcomes are not equally likely.

How to teach it

Order events from impossible to certain in everyday language, then quantify simple chances as fractions of the equally-likely outcomes.

Worked example
A bag has 8 balls. 2 are red. What is the probability of picking a red one? Write it as a fraction.
Answer: 2/8
Why: favourable 2 out of 8 total = 2/8

Generated and checked in code, so it is correct.

Watch out for

Assuming a rare-but-possible event is impossible, and thinking past results change the next independent outcome.

Probability worksheets

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Sets A-F are the same worksheet with different questions - print any (or all) for fresh practice.

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More Year 5 Probability codes: AC9M5P02
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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.