Numeracy wrap – tell me why

Secondary KLA:
Educational levels:
Year 7, Year 8, Year 9, Year 10

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Interactive activities that guide students to consider the use and presentation of geometric reasoning.

NSW syllabus outcomes

(MA4-17MG) classifies, describes and uses the properties of triangles and quadrilaterals, and determines congruent triangles to find unknown side lengths and angles

(MA4-3WM) recognises and explains mathematical relationships using reasoning

(MA5.2-1WM ) selects appropriate notations and conventions to communicate mathematical ideas and solutions

(MA5.2-3WM ) constructs arguments to prove and justify results

(MA5.2-14MG) calculates the angle sum of any polygon and uses minimum conditions to prove triangles are congruent or similar

Australian curriculum content descriptions

(ACMMG141) Investigate, with and without digital technologies, angles on a straight line, angles at a point and vertically opposite angles. Use results to find unknown angles

(ACMMG166) Demonstrate that the angle sum of a triangle is 180° and use this to find the angle sum of a quadrilateral

More information

Resource type:
Interactive Resource
ScOT topics:
Angles, Deductive Reasoning
File type:
State of NSW, Department of Education
State of NSW, Department of Education
Date created:
Thursday, 1 November 2018

Resource ID: 9db3f195-f289-4b37-b8b7-d21d4c9e4d2b