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Right-angled triangles inquiry
This prompt will guide students to make a connection between Pythagoras and trigonometrical ratios. This can build the students' conceptual understanding of what a trigonometrical ratio is. The resource includes classroom examples, teacher notes and guided questions.
|Year level(s)||Year 9|
|Purpose||Assessment task, Extension, Student task, Teaching resource|
|Teaching strategies and pedagogical approaches||Collaborative learning, Differentiated teaching, Explicit teaching, Feedback, Mathematics investigation|
|Keywords||right-angled triangle, Pythagoras, trigonometry, ratio, similar, scale factor|
|Curriculum connections||Critical and creative thinking, Numeracy|
|Strand and focus||Measurement, Geometry, Build understanding, Apply understanding|
|Topics||Pythagoras and trigonometry|
|AC: Mathematics content descriptions||
ACMMG222 Investigate Pythagoras’ Theorem and its application to solving simple problems involving right angled triangles
ACMMG223 Use similarity to investigate the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles
© Andrew Blair 2012-21. Creative Commons BY-NC-SA 4.0.