Containers for Change WA - What’s in our Bin?

Containers for Change WA - What’s in our Bin?

Lesson 1 of 5 in this unit

  • Primary
  • Year 6
  • Mathematics
  • Numbers
  • Measurement
  • Fractions
  • Graphs and data
  • Environmental
  • Recycling
  • ...

Lesson summary

What exactly are we throwing away? Using percentages, fractions and pie charts, students will explore just what goes into our bins and how we can represent these quantities in a comparable way.

Learning intentions:

Students will...

  • understand percentages.

Success criteria:

Students can...

  • recognise 100% as the complete whole
  • create pie chart models to represent findings and compare relative size
  • connect common fractions such as ¼ and ½ to their related percentages
  • estimate the percentages represented by sections of a pie chart which represent less familiar quantities.

Lesson guides and printables

Lesson Plan
Teacher Content Information
Student Worksheet
Example Percentages

Lesson details

Skills

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

  • critical thinking
  • collaboration
  • communication
  • reflection

Curriculum Mapping

Western Australian Curriculum - Year 6, Mathematics

  • Make connections between equivalent fractions, decimals and percentages (ACMNA131)
  • Interpret and compare a range of data displays, including side-by-side column graphs for two categorical variables (ACMSP147)

Australian Curriculum (v9.0) content descriptions - Mathematics

  • Students solve problems that require finding a familiar fraction, decimal or percentage of a quantity, including percentage discounts, choosing efficient calculation strategies and using digital tools where appropriate (AC9M6N07).
  • Students plan and conduct statistical investigations by posing and refining questions or identifying a problem and collecting relevant data; analyse and interpret the data and communicate findings within the context of the investigation (AC9M6ST03).

General capabilities: Critical and Creative Thinking, Ethical Understanding, Numeracy

Cross-curriculum priority: Sustainability

Relevant parts of Year 6 achievement standards: Students solve problems involving finding a fraction, decimal or percentage of a quantity and use estimation to find approximate solutions to problems involving rational numbers and percentages. They compare distributions of discrete and continuous numerical and ordinal categorical data sets as part of their statistical investigations, using digital tools.

Western Australian Curriculum - Year 6, Mathematics

  • Make connections between equivalent fractions, decimals and percentages (ACMNA131)
  • Interpret and compare a range of data displays, including side-by-side column graphs for two categorical variables (ACMSP147)

UN Sustainable Development Goals

UN SDG 11: Make cities and human settlements inclusive, safe, resilient and sustainable

  • Target 11.6 By 2030, reduce the adverse per capita environmental impact of cities, including by paying special attention to air quality and municipal and other waste management.

Resources Required

  • Contents of a bin
  • Device to display videos
  • Example percentages resource (for students who may require additional support)
  • Gloves, tongs and tarp for sorting rubbish
  • Butchers paper, tarp, ruler, protractor and marker
  • Pie Chart Example 1 (for display to the class)
  • Pie Chart Example 2 (one per student)
  • Protractors and calculators (for extension activities)

Additional Info

Level of teacher scaffolding: High - direct instruction, leading of discussions, supervising waste sorting activity for safety considerations.

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