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Double the Fun


Suppose we want to double the dimensions of this rectangle. Draw your figure using as many different methods as you can. Explain your methods.


 Extensions

Test this conjecture: If the sides of a figure are doubled to produce a similar figure, the area and perimeter will also double. Investigate with 2-dimensional figures and extrapolate your findings to 3-dimensional figures.


 Related External Resources

Investigating Properties
In this activity, we'll construct a demonstration sketch which could be used by middle school students to investigate the properties of quadrilaterals.

Dominoes Activity
A lesson plan in which students investigate area with dominoes.


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