National Recycling Week - Recycling in Australia

National Recycling Week - Recycling in Australia

Lesson 1 of 6 in this unit

  • Secondary
  • Year 7 - 8
  • Mathematics
  • Environmental
  • Recycling
  • Sustainability
  • ...

Lesson summary

Students use authentic data to answer problems about recycling. They calculate and use percentages to compare rates of recycling and environmental benefits. They do a quick survey and calculate percentages to help them to analyse their data.

Learning intentions:

Students will...

  • calculate and apply percentages to data to help to analyse the data and answer mathematical questions.
  • demonstrate how mathematics is used tounderstand environmental issues.  

Lesson guides and printables

Lesson Plan
Student Worksheet
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Lesson details

Curriculum mapping

Australian Curriculum content descriptions:

Year 7 Mathematics:

  • Find percentages of quantities and express one quantity as a percentage of another, with and without digital technologies (ACMNA158)
  • Connect fractions, decimals and percentages and carry out simple conversions (ACMNA157)

Resources required

  • Scrap paper
  • Access to a spreadsheet application that can produce pie graphs.


This lesson is designed to build students’ competencies in the following skills:

  • communication
  • critical thinking

Additional info

Planet Ark’s National Recycling Week started in 1996 to bring a national focus to the environmental benefits of recycling. This highly regarded annual campaign continues to educate and stimulate behaviour change by promoting kerbside, industrial and community recycling initiative. It also gives people the tools to minimise waste and manage material resources responsibly at home, work and school. In partnership with Planet Ark, we have developed lessons from early learning through to year 10 to help educators bring these important topics into the classroom.

National Recycling Week is held in the second week of November each year but you can recycle all year-round with these lessons which were designed to be used at any time. Click here to find out more about National Recycling Week and the Schools Recycle Right Challenge. 

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