National Recycling Week - Working With Data Tables

National Recycling Week - Working With Data Tables

Lesson 1 of 1 in this unit

  • Secondary
  • Year 7 - 8
  • Mathematics
  • Environmental
  • Recycling
  • Economic
  • Design Thinking
  • ...

Lesson summary

This lesson enables teachers to guide students through some real data sets that reflect consumer recycling behaviour statistics. They will note trends in the recycling of printer cartridges in Australia, using data gathered by the organisation, Cartridges 4 Planet Ark. Activities include working with tabulated data and drawing conclusions. This lesson meets selected Australian Curriculum outcomes for Years 7 and 8 in the subject of Mathematics.

Learning intentions:

Students will...

  • learn about one important cartridge recycling program called ‘Cartridges 4 Planet Ark’ currently operating in Australia
  • consolidate their skills in interpreting tabulated data.

Lesson guides and printables

Lesson Plan
Cartridge Recycling Student Worksheet
Teacher Content Info
LS Student Worksheet - Recycling Cartridges

Lesson details

Curriculum mapping

Australian Curriculum content descriptions:

Year 7 Mathematics:

  • Calculate mean, median, mode and range for sets of data. Interpret these statistics in the context of data (ACMSP171)
  • Describe and interpret data displays using median, mean and range (ACMSP172)
  • Find percentages of quantities and express one quantity as a percentage of another, with and without digital technologies. (ACMNA158)

Year 8 Mathematics:

  • Explore the variation of means and proportions of random samples drawn from the same population (ACMSP293)
  • Solve problems involving the use of percentages, including percentage increases and decreases, with and without digital technologies (ACMNA187)
  • Carry out the four operations with rational numbers and integers, using efficient mental and written strategies and appropriate digital technologies (ACMNA183)

General capabilities: Numeracy, Critical and creative thinking

Resources required


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

  • communication
  • critical thinking
  • problem solving

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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