National Recycling Week - Time for Pi

Australian Curriculum content descriptions:

Year 9 Mathematics:  

• Calculate the surface area and volume of cylinders and solve related problems (ACMMG217)

Time needed: 50 min

Level of teacher scaffolding: Medium – encourage students to think outside the ‘square’ when trying to come up with creative solutions for circles

• Washed aluminium cans
• Rulers
• Callipers
• Accurate measuring jugs or weighing scales
• String
• Protractors and any other equipment students might wish to try to solve their problems
• There’s an app for that: - Calculation of Pi

Assumed prior learning:  Used compass, draw circles, measure length accurately, understands the concept of approximation, used different units of volume and weight, has used volume measuring flasks/cups

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

• problem solving 

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.