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[[File:justanidea.png|link=|250px]] | [[File:justanidea.png|link=|250px]]{{DISPLAYTITLE:Perimeter and area}} | ||
{{Rinfo | {{Rinfo | ||
|type= Lesson idea | |type= Lesson idea | ||
|attribution= {{Bjoern Hassler}} | |attribution= {{Bjoern Hassler}} | ||
|title= | |title= Exploring properties of rectangles: Perimeter and area. | ||
|topic=Polygons | |topic=Polygons | ||
|subject=Maths | |subject=Maths | ||
|resourcenumber=M0025 | |resourcenumber=M0025 | ||
|age= | |age= Secondary | ||
|image=rectanglesidea.jpeg | |image=rectanglesidea.jpeg | ||
|tagline= | |tagline=Do two rectangles that have the same area also have the same perimeter? | ||
|content= The lesson idea is about a mathematics investigation, where students explore whether two rectanges that have the same area also have the same perimeter. This is of course not the case, but nevertheless it can be a misconception. Students initially vote, then do an investigation, and finally vote again as well as present their conclusions. The investigation offers an opportunity for same-task group work. | |content= The lesson idea is about a mathematics investigation, where students explore whether two rectanges that have the same area also have the same perimeter. This is of course not the case, but nevertheless it can be a misconception. Students initially vote, then do an investigation, and finally vote again as well as present their conclusions. The investigation offers an opportunity for same-task group work. | ||
|toc= | |toc= | ||