Hi, what do you want to do?
Illustrative Mathematics
Longer and Heavier? Shorter and Heavier?
For many young children it seems obvious that longer objects are heavier than shorter objects. This assumption is put to the test as the class investigates the relationship between length and weight in a whole-group activity. Using a...
Facing History and Ourselves
Unit Assessment: From Identity to Action
Four projects enable class members to show what they have learned about ways they can stand up for democracy. to begin, individuals review their identity charts and craft a mask that represents themselves. Next, groups create a short,...
Illustrative Mathematics
Many Ways to Do Addition
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this lesson is for young mathematicians to become aware of many ways of answering addition...
Curated OER
Radical Equations
This task gives geometry learners practice in solving radical equations in one variable and zeros in extraneous solutions.