Lesson Plan
Illustrative Mathematics

Longer and Heavier? Shorter and Heavier?

For Teachers K Standards
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...
Assessment
1
1
Facing History and Ourselves

Unit Assessment: From Identity to Action

For Teachers 6th - 12th
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,...
Lesson Plan
Illustrative Mathematics

Many Ways to Do Addition

For Teachers Pre-K - 1st Standards
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...
Lesson Plan
Curated OER

Radical Equations

For Teachers 9th - 12th Standards
This task gives geometry learners practice in solving radical equations in one variable and zeros in extraneous solutions.