PBS
Pbs: Manipulating Graphs
Watch how a graph is altered when key elements of the equation change. This lesson focuses on how to manipulate the equation of a line in slope intercept form to match the graphs provided deepening the understanding of both the slope and...
Better Lesson
Better Lesson: Greatest Common Factor
Sixth graders will learn how to find the Greatest Common Factor of two or more numbers by using math manipulatives.
National Council of Teachers of Mathematics
The Math Forum: Bricks Activity, Teacher Lesson Plan
Builders of brick walls need to be especially aware of fault lines which can easily lead to the collapse of the wall. Students are challenged, here, to use polyminoes to design patterns for brick walls which do not contain fault lines....
Other
Ohio Department of Education: Models for Dividing Fractions [Pdf]
This resource consists of a detailed, hands-on lesson plan for dividing fractions using manipulatives such as fraction bars.
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson plan is for young scholars to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson plan will be related to the 300 Spartans who battled the invading Persians at the Battle...