Learners step up to the plate as they first complete an assessment task using linear equations to determine the best company from which to buy baseball jerseys. They then evaluate provided sample responses identifying strengths and...

Young scholars explore different ways of trading to get what they want. In this algebra activity, students explore goods, money, services and exchange. They compare the use of money to the use of potlach.

How many hot dogs does Fenway Park go through in a year? Learners estimate answers to this question and more as they work through the task. Problems require participants to make assumptions and use those assumptions to make estimations.

Students discuss the kinds of things they count and how to use tally marks. In this social science lesson, students count animal crackers by using tally marks for each kind of animal. The tally marks are changed into numbers and one...

Students discuss and record why people have various types of collections. They interpret the class collection of information then use details about the Morgan Dollar to understand what collection characteristics it may have.