This Proportional Flag lesson plan also includes:
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Escort your class to the parking lot to compare a toy truck or car (with the scale marked) with a real version to illustrate ratios and proportion in action. Teams take on the following task: create an American flag large enough to cover a football field, with all design elements (length, width, stars, stripes, stars box, etc.) in proportion. Resource is designed for use with TI-15 calculators, but can easily be managed by hand as well.