7 feet (MathXplosion follow up)

A thinking mathematically targeted teaching opportunity focused on using an informal unit of measurement to investigate length.

Watch the episode of MathXplosion – Most people are seven feet tall on the ABC Education website.

Syllabus

Syllabus outcomes and content descriptors from Mathematics K–10 Syllabus (2022) © NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales, 2024.

Outcomes

  • MAO-WM-01
  • MAE-GM-02
  • MAE-GM-03
  • MAO-WM-01
  • MA1-GM-02
  • MA1-GM-03

Collect resources

You will need:

  • pencils or markers
  • your mathematics workbook.

7 feet (MathXplosion follow up)

Watch the 7 feet (MathXplosion follow up) video (0:59).

Trace and cut around your foot to help see if you are seven 'feet' tall.

[Screen reads: Trace around your foot. Screen shows white paper on the floor, with a foot on the piece of paper. They model the foot being traced around with a marker.]

[Screen reads: Now, you have your footprint! Screen shows the white paper with outlined footprint displayed.]

[Screen reads: Next, carefully cut your foot out… The screen shows the instructor cutting out the footprint outline using scissors.]

[Screen reads: Are you 7 feet tall? Can you find some things that are more than 7 feet tall? Can you find some things less than 7 feet tall? Over to you, mathematicians!]

Speaker:

Alright mathematicians, so are you 7 feet tall?

Then can you find some things that are more than your 7 feet tall?

And can you find some things that are less than your 7 feet tall?

Over to you to investigate, mathematicians.

[End of transcript]

Instructions

  • Work out whether you are 7 feet tall.
  • Can you find some things that are more than your 7 feet tall? Write and draw your findings in your workbook.
  • Can you find somethings less than your 7 feet tall? Write and draw your findings in your workbook.

Category:

  • Early Stage 1
  • Geometric measure
  • Mathematics (2022)
  • Stage 1

Business Unit:

  • Curriculum and Reform
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