pptx, 112.82 KB
pptx, 112.82 KB
pdf, 525.9 KB
pdf, 525.9 KB
doc, 11.41 KB
doc, 11.41 KB
This is an investigation for the whole class to do at the same time, investigating the seemingly simple idea of the four corners of a rectangle.

It will force pupils to get out of the simple thinking that every rectangle has to be lined up with the co-ordinate axes, with a horizontal base and vertical sides.

Can be done visually, or for more able pupils with algebra and straight lines.

Full solutions included.
Creative Commons "Sharealike"

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anita_wijaya

7 years ago
5

mic09

7 years ago
5

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