
In this activity, when you spend more than the three cut-off points you get a greater discount. What amounts should you not spend? Should you spend more to get the greater discount? What does this data look like when graphed?
Two activities – Students calculate how large Columbus must have thought the circumference of the Earth was if he reached the East India when he landed in the Bahamas + history of who lived there. In the second activity, students use latitude and longitude to analyze the distances Columbus’s trip involved.