GeoGebra

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GeoGebra
and the STEM agenda

• Mark Dawes
• University of Cambridge
• Comberton Village College
• GeoGebra Institute of Cambridge
• md437_at_cam.ac.uk
• www.geogebra.org

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xkcd
http//xkcd.com/435/
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Every Child Matters (ECM)

• According to the British government, every child
  should
• be healthy
• stay safe
• enjoy and achieve
• make a positive contribution
• achieve economic well-being

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STEM

• achieve economic well-being

Science Technology Engineering Mathematics
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STEM
Science Technology Engineering Mathematics
Are the parts of mathematics that do not have
applications to S, T and E considered to be
worthless?
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A better model?
Science Technology Engineering Mathematics
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GeoGebra
Geometry
Algebra

Spreadsheet

Algebra Window
Geometry Graphics Window
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This talk

• GeoGebra and STEM

• How much I have learned from using GeoGebra
• as a learner
• as a school-teacher
• from pupils in school
• as a lecturer
• from students at university

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Some things I learned from my pupils
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Question Make a conjecture about the triangle
in a semi-circle. Prove it.
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Johns Conjecture
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Johns Conjecture
x
y
y
x
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What actually happened
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Johns Conjecture
The two smaller triangles have the same area
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Maddies Diagram
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Maddies Diagram
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Some things I learned as a teacher / as a learner
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Interacting with important ideas
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This talk

• GeoGebra and STEM

• How much I have learned from using GeoGebra
• as a learner
• as a school-teacher
• from pupils in school
• as a lecturer
• from students at university

22
Tell me and I forget. Teach me and I
remember. Involve me and I learn. Benjamin
Franklin