Activities about association

Do the "Best" movies make the most money? How could you measure the "best" movie? What information would you need to make this judgement? At most ten movies...

Data and probability Grades 7–8

What's your favorite sport?

What is your favorite sport? Wait, do I mean your favorite sport to play or your favorite sport to watch? Does it matter? Are your favorite to-watch sport...

Algebra Number Sense Grades 5–HS