EngageNY
Understanding Variability When Estimating a Population Proportion
Estimate the proportion in a population using sampling. The 20th installment in a series of 25 introduces how to determine proportions of categorical data within a population. Groups take random samples from a bag of cubes to determine...
National Security Agency
Systems of Equations and Inequalities
High school classes can use manipulatives too! Offer hands-on, interactive lessons that venture away from the typical day in your algebra class. Young mathematicians will be involved in collaborative learning, visual representations, and...
Science Matters
Seed Adaptations for Dispersal
After a grand conversation about seeds, adaptation, and dispersal, scholars work collaboratively to examine seeds and record their findings on a four-column chart. Small groups share their observations and further discuss seed...