A directory of useful objects found on the web for teaching Maths.

Sub-topics: ACMMG064 Year 3 Identify angles as measures of turn and compare angle sizes in everyday situations (0) ACMMG089 Year 4 Compare angles and classify them as equal to, greater than or less than a right angl (3) ACMMG141 Year 6 Investigate, with and without digital technologies, angles on a straight line, angle (6) ACMMG163 Year 7 Identify corresponding, alternate and cointerior angles when two parallel straight l (6) ACMMG164 Year 7 Investigate conditions for two lines to be parallel and solve simple numerical probl (3) ACMMG165 Year 7 Classify triangles according to their side and angle properties and describe quadril (8) ACMMG166 Year 7 Demonstrate that the angle sum of a triangle is 180° and use this to find the a (7) ACMMG200 Year 8 Define congruence of plane shapes using transformations (4) ACMMG201 Year 8 Develop the conditions for congruence of triangles (2) ACMMG202 Year 8 Establish properties of quadrilaterals using congruent triangles and angle propertie (7) ACMMG220 Year 9 Use the enlargement transformation to explain similarity and develop the conditions (4) ACMMG221 Year 9 Solve problems using ratio and scale factors in similar figures (9) ACMMG243 Year 10 Formulate proofs involving congruent triangles and angle properties (4) ACMMG244 Year 10 Apply logical reasoning, including the use of congruence and similarity, to proofs (4) ACMMG272 Year 10A Prove and apply angle and chord properties of circles (3)

- Quadrilateral Concept Map
- Worksheet - Print | PowerPoint
- GeoGebra HowTo: Construct a Rhombus
- GeoGebra, Tutorial | PDF
- Investigating Quadrilaterals
- Worksheet - Print | PDF, Word