Topic
Activities about stats
What does 95% confidence in the poll results mean?
There have been a lot of polls about who will win the Presidential election. I get so confused when polling results are reported. What is a 95% confidence...
Algebra
Number Sense
Grades 8–HS
Fantastic Beasts - What did it cost to make?
In 2001, J.K.Rowling (the author of the Harry Potter series) wrote Fantastic Beasts and Where to Find Them. The movie of this book opened on November 18th, 2016....
Ratio and Proportion
Data and probability
Grades 6–HS