Please note: This site contains links to websites not controlled by the Australian Government or ESA. More information here.
Supplementary angles
In this activity students are shown what constitutes a supplementary angle and answer a series of questions to demonstrate their understanding.
Additional details |
|
| Year level(s) | Year 7 |
|---|---|
| Audience | Teacher |
| Purpose | Content knowledge, Teaching resource |
| Teaching strategies and pedagogical approaches | Feedback |
| Keywords | angles, parallel, co-interior, alternate, triangle, interior |
Curriculum alignment |
|
| Strand and focus | Space |
| Topics | Angles and geometric reasoning |
| AC: Mathematics (V9.0) content descriptions |
AC9M7M04
Identify corresponding, alternate and co-interior relationships between angles formed when parallel lines are crossed by a transversal; use them to solve problems and explain reasons
AC9M7M05
Demonstrate that the interior angle sum of a triangle in the plane is 180° and apply this to determine the interior angle sum of other shapes and the size of unknown angles |
| Numeracy progression |
Understanding geometric properties (P6)
|
Copyright details |
|
| Organisation | GeoGebra |
| Copyright | © 2022 GeoGebra. Free-for-education material. |
Related resources
-
Combined transformations inquiry
Investigating combinations of translations, reflections and rotations and describing on the Cartesian plane using coordinates. Identify line and rotational symmetries.
Resource details -
True meaning of π (pi)
This activity gives a visual representation of the relationship between the circumference and diameter of a circle.
Resource details -
Using the properties of a circle to solve problems
This resource describes how the formulas for the surface area and volume of a cylinder are derived, shows a worked example and sets problems for students to work through.
Resource details -
Circles
This resource, focusing on the features of a circle and finding the area of a circle, gives detailed explanations of the curriculum content, worked examples and assessment questions.
Resource details -
Sum of interior angles in a polygon
A series of student-based discovery activities that explore the sum of the interior angles of a polygon by deconstructing the polygons into triangles.
Resource details -
Classifying triangles
An explanation of how to classify triangles by looking at their angles and lengths of sides. The resource includes explanations, videos, worked examples and questions.
Resource details -
Alternate interior angles assessment activity
In this activity students identify and find the size of alternate angles.
Resource details