Please note: This site contains links to websites not controlled by the Australian Government or ESA. Read more in the Terms of Use.
reSolve: Pythagoras' theorem – phone finding
This lesson challenges students to apply Pythagoras' theorem to explore a practical real-world problem. Students explore technology reliant on mathematical concepts. The lesson is outlined in detail including curriculum links, vocabulary, materials needed, sample answers, discussion points and student resources such as spreadsheets. This sequence is part of the reSolve: Maths by Inquiry program.
- Resource details
- Year level
- Year 8 Year 9
- Purpose
- Teaching resource
- Strand
- Space Measurement
- Topic
- Proportion, rates and ratios Pythagoras and trigonometry
- Audience
- Teachers
- Format
- Downloadable resource
- Numeracy progression
- Understanding units of measurement (P10) Understanding geometric properties (P7) Proportional thinking (P7) Multiplicative strategies (P9)
- Publisher
- reSolve Maths by Inquiry
- Copyright
- © Australian Government Department of Education, Skills and Employment 2021. Creative Commons BY-NC-SA 4.0.
- Keywords
- ratio scale proportion right angle
Related resources
-
Enlargement
To enlarge and transform geometrical shapes.
Resource details -
Mathematical modelling: The steepest slopes on Baldwin St
Students investigate steepness using Baldwin Street, representing gradient in multiple ways, linking it to tangent, and communicating findings for real audiences.
Resource details -
reSolve: Geometry – lunch lap (Trial)
Two inquiry-based lessons where students are challenged to use Pythagoras' theorem to optimise the path of a lunch cart.
Resource details -
reSolve: Mathematical modelling – cornering
This series of inquiry-based lessons uses properties of circles, trigonometry and Pythagoras' theorem to investigate how long vehicles 'cut corners' when cornering.
Resource details -
Trigonometry
This resource focuses on the origins of trigonometrical ratios.
Resource details -
Rectangle ratios inquiry 2
This prompt will build student understanding of the area of squares and rectangles, and introduces the golden ratio.
Resource details -
Pythagoras and trigonometry (Measurement): Year 9 – planning tool
This planning resource for Year 9 is for the topic of Pythagoras and trigonometry.
Resource details -
Pythagoras and trigonometry (Space): Year 9 – planning tool
This planning resource for Year 9 is for the topic of Pythagoras and trigonometry.
Resource details