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# Construction

This module from the AMSI 'The Improving Mathematics Education in Schools (TIMES) project' is for teachers who wish to consolidate their content knowledge on how to use a ruler and compasses to construct circles, angles and triangles. There are sections that provide history and context for the topic, as well as exercises and examples of how to present and explain the concepts to students.

Year level(s) Year 7, Year 8
Purpose Content knowledge
Keywords angle, compasses, ruler, construction, explicit teaching

## Curriculum alignment

Strand and focus Space
Topics Angles and geometric reasoning
AC: Mathematics (V9.0) content descriptions
AC9M7M04
Identify corresponding, alternate and co-interior relationships between angles formed when parallel lines are crossed by a transversal; use them to solve problems and explain reasons

AC9M8SP01
Identify the conditions for congruence and similarity of triangles and explain the conditions for other sets of common shapes to be congruent or similar, including those formed by transformations

Numeracy progression Understanding geometric properties (P6, P7)
Proportional thinking (P6)