Please note: This site contains links to websites not controlled by the Australian Government or ESA. Read more in the Terms of Use.
Rectangle formula
Students first need to identify the meaning of the variables in the prompt in relation to the diagram. Students then pose questions and with the guidance of the teacher explore their questions. The resource includes the prompt, teacher notes, guided questions and examples of student solutions. There are also extension suggestions.
- Resource details
- Year level
- Year 9
- Purpose
- Assessment tasks Student activities Teaching resource
- Strand
- Number
- Topic
- Algebraic expressions
- Audience
- Teachers
- Format
- Downloadable resource
- Australian Curriculum code
- AC9M9A04
- Numeracy progression
- Number patterns and algebraic thinking (P9)
- Publisher
- Inquiry Maths
- Copyright
- © Andrew Blair 2012-21. Creative Commons BY-NC-SA 4.0.
- Keywords
- square number substitution
- Other terms
- formula rectangular array
Related resources
-
WS03 - Fencing in the Vegetable Patch
Use this work sample to guide assessment of students' knowledge and skills in graphing quadratic functions.
Resource details -
Volume of a cylinder inquiry
This prompt will challenge students to explore their understanding of integers and the volume of cylinders.
Resource details -
Area of a triangle inquiry
This prompt extends students' thinking about the area of a non-right-angled triangle.
Resource details -
Difference of two squares inquiry
This prompt encourages the exploration of the difference of two squares.
Resource details -
Use variables: Year 9 – planning tool
This planning resource for Year 9 is for the topic of Use variables.
Resource details -
Formulate and manipulate expressions: Year 9 – planning tool
This planning resource for Year 9 is for the topic of Formulate and manipulate expressions.
Resource details -
Graphs: Year 9 – planning tool
This planning resource for Year 9 is for the topic of Graphs.
Resource details