When collecting data to make observations about the world it usually just isn’t possible to collect ALL THE DATA.

In this lesson, students use frequency tables and conditional probability to explore Simpson’s Paradox and try to settle the discrimination case once and for all.

In this activity students will experience mathematics as a powerful tool for understanding the world and making sense of data.

This activity encourages students of all ages to take a deeper look at a familiar view: right outside their window.

This problem asks how many ways can a bunny called Leo can hop up 10 steps but, perhaps surprisingly, there is much to explore in this question!

Included is an example of how Google Earth can be used to graph historic events, such as a typhoon or hurricane. 

This lesson initiates the development of skills in collecting and recording data.

Students collect data about the eye color of class members.

Students explore patterns which involve doubling.

In this activity, students examine the United States Census Bureau Web site to investigate population projections from 1990-2100.

In this activity, students  examine the United States Census Bureau Web site to investigate projections of the total population of states from 1995-2025.

Students learn to pose mathematical questions about themselves and their surroundings through class.