Paper, pencil and protractor Image

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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
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

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)

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