Numbers and the Power of Proportion · Number and Algebra

Ratios and Proportional Reasoning

Apply ratio and scale to solve problems involving distance, maps, and mixtures.

Key Questions

  1. 1How does a scale factor change the relationship between two objects?
  2. 2When is it more effective to use a ratio instead of a direct measurement?
  3. 3What happens to a mixture if the ratio of its parts is altered by a constant amount?

ACARA Content Descriptions

AC9M8N03
Year: Year 8
Subject: Mathematics
Unit: Numbers and the Power of Proportion
Period: Number and Algebra

Suggested Methodologies

Ready to teach this topic?

Generate a complete, classroom-ready active learning mission in seconds.

Generate a Custom MissionBrowse Lesson Plan Templates

More in Numbers and the Power of Proportion

The Logic of Rational Numbers

Deepen understanding of terminating and recurring decimals and their fractional equivalents.

2 methodologies

Rates in Motion

Examine constant rates of change and their applications in speed and unit pricing.

2 methodologies

Browse curriculum by country

AmericasUSCAMXCLCOBR
EuropeUKIEFRDEESITNLPTSE
Asia & PacificINSGAU