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#### A starting point: dissection and rearrangement

Here are two parallelograms. For each one, can you see how you can cut it into pieces and rearrange those pieces to form a rectangle? There is more than one way to do it for each parallelogram. The applet below shows you one example of how to do it for each one; simply click the “Cut and rearrange” buttons to see the animation.

# Area of a parallelogram

Teacher resources

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- Slides in PPTX (with click-to-reveal answers)
- Slides in PDF (one slide per page, suitable for importing into IWB software)

- Worksheet (with space for student work)
- Handout (slides with exercises only; 4 per page for reduced printing)

- Desmos classroom activity: Area of a parallelogram (20 randomised questions) Find out more

- Further material on this topic embedded here (log in to see)

#### Interactive GeoGebra activity: create a parallelogram with a given area

In the real world

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