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Listed under:  Science  >  Scientific inquiry  >  Instrumentation (Technology)  >  Mathematical instruments  >  Protractors
Listed under:  Science  >  Scientific inquiry  >  Instrumentation (Technology)  >  Measuring instruments  >  Protractors
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TIMES Module 9: Measurement and Geometry: introduction to plane geometry - teacher guide

This is a 16-page guide for teachers. It provides an introduction to the initial ideas of plane geometry. Points and lines are introduced as fundamental objects in the study of geometry. Angles and parallelism are the initial areas of attention in a more formal approach to geometry that occurs from year 7.

Video

The amazing 'angle-a-tron'

Lost your protractor? Well, find out how to make an 'angle-a-tron'. This might just be the coolest mathematical tool you've ever used. Measure all sorts of angles. It's easy with an angle-a-tron!