Analyze trends in the stock market using histograms. Future economists use data presented in a histogram to find periods of greatest increase and decrease. They also draw conclusions about days that would be best to invest.

Use a performance task to assess third graders' ability to read informational text. After they plan a lemonade stand business, young entrepreneurs implement that plan through informational writing. The task assumes learners can...

What an impressive task it is to make dental impressions! Pupils learn how dentists use proportional reasoning, unit conversions, and systems of equations to estimate the materials needed to make stone models of dental impressions....