Meet a teen who uses proportions to run her own nail polish and self-care business.

Cyclists pick up food waste to keep it out of land fills. Work with rates to see how the group helps the community.
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A disease almost wiped out a sea star species. Calculate the percent change in population.
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Videos (2)
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Skills Sheets (5)
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Grazing animals help solar farms. Write estimates for different jobs.
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Analyze statistics about sites protected by the National Park Service.
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Use the order of operations to learn about Earth Day and your home.

Read a short article and solve a surface area problem about a metro car turned into an artificial reef.
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Read a short article and solve a percents problem about a rare dime.
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Read a short article and solve an equations problem about Iberian lynxes.
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