[Free Registration/Login may be required to access all resource tools.] The video lesson explains the relationship between repeated addition and multiplication. The video is followed by a series of practice questions to assess student...

[Free Registration/Login Required] In this lesson, students will generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch and show the data by making a line plot. This lesson includes an...

[Free Registration/Login Required] In this lesson, students will connect the concepts of counting each square unit and multiplying the side lengths to compute the area of a rectangle. They will extend this knowledge by computing a side...

Students will access prior knowledge of the solar system by completing a graphic organizer. After participating in a teacher lecture and whole group discussion, the students will work in collaborative groups to create a...

Make Texas chili as you learn about ratios in this interactive lesson. Students get immediate feedback on their responses and teachers have access to online assessment.

Assess height, weight, and volume using metric measurements. This interactive exercise touches on place value and focuses on the prefixes associated with metric measurement.