Please note: This site contains links to websites not controlled by the Australian Government or ESA. Read more in the Terms of Use.
Measuring circles
Students explore the radius, diameter and area of circles and learn how to apply this knowledge to solve problems. (Note: some of the units used are imperial, not metric.)
- Resource details
- Year level
- Year 7 Year 8
- Purpose
- Assessment tasks
- Strand
- Measurement
- Topic
- Angles and geometric reasoning
- Audience
- Teachers
- Format
- Webpage
- Numeracy progression
- Understanding units of measurement (P9)
- Publisher
- Illustrative Mathematics
- Copyright
- © 2017-2019 Open Up Resources. Creative Commons BY 4.0.
Related resources
-

WS01 - Geometric reasoning
Use this work sample to assess students' knowledge and skills to demonstrate what they know about angles in triangles and intersecting lines with parallel lines.
Resource details -

Reflections and coordinates inquiry
This prompt explores the effect of reflection in a given line on a Cartesian plane.
Resource details -

Mathematics Year 8 work sample portfolio – ACARA
Refer to Work sample 12: number and measurement – investigating circles, and the related tasks for guidance in assessing students’ understanding of circles, including the formula to calculate the area of a circle and identifying its diameter and circumference.
Resource details -

2-dimensional shapes inquiry
Investigate the relationship between the features of circles and 2D shapes. Using formulas to solve problems involving circumference and area.
Resource details -

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 -

Paper, pencil and protractor
In this activity, students are asked to construct triangles with a given set of restrictions. This can be done as a group activity. After completing the constructions, students are asked to explain their findings.
Resource details