A directory of useful objects found on the web for teaching Maths.
Develop the conditions for congruence of triangles (ACMMG201) * solving problems using the properties of congruent figures, justifying reasoning and making generalisations * constructing triangles using the conditions for congruence * investigating the minimal conditions needed for the unique construction of triangles, leading to the establishment of the conditions for congruence (SSS, SAS, ASA and RHS), and demonstrating which conditions do not prescribe congruence (ASS, AAA) * plotting the vertices of two-dimensional shapes on the Cartesian plane, translating, rotating or reflecting the shape and using coordinates to describe the transformation
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