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Paper, pencil and protractor

In this activity, students are asked to construct triangles with a given set of restrictions. This can be done as a group activity. After completing the constructions, students are asked to explain their findings.

Additional details
Year level(s)	Year 8
Audience	Teacher
Purpose	Assessment task
Format	Web page
Teaching strategies and pedagogical approaches	Feedback
Keywords	Angle, Construction, Triangle, Side, Congruent
Curriculum alignment
Curriculum connections	Critical and creative thinking
Strand and focus	Space
Topics	Angles and geometric reasoning
AC: Mathematics (V9.0) content descriptions	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 AC9M8SP02 Establish properties of quadrilaterals using congruent triangles and angle properties, and solve related problems explaining reasoning
Numeracy progression	Understanding geometric properties (P6, P7) Proportional thinking (P6)
Copyright details
Organisation	AAMT
Copyright	© 2014 The Australian Association of Mathematics Teachers (AAMT) Inc. Free-for-education material.