Curated OER
POWER OF VOTING
Fifth graders explain the process of a national presidential election by researching through the Internet and holding an election simulation. They collect, graph, and interpret election data. They enhance their computer skills by...
Curated OER
A Lifetime of Savings
Sometimes people who seem to lead what would be considered an ordinary life do extraordinary things. Such was the case with Oseola McCarty, who donated a large sum of money for a university scholarship fund in her name. Oseala lived her...
PBS
The History and Use of Sampling Methods
Young mathematicians define population, draw convenience sample from the population, draw quota sample from the population, and draw random probability sample from the population. They explain why a random probability sample usually...
Curated OER
Math: Heads or Tails
Seventh graders discover the difference between theoretical and experimental probabilities by designing their own problems and testing them. After conducting their own coin toss trial, they compare their results with an Internet...