This video [4:06] provides an excellent definition of the Pythagorean Theorem. Watching and listening to the teacher and student interact help to clarify the thinking behind this concept.

This video [7:25] provides an excellent introduction to the Pythagorean Theorem. As you watch and listen to the teacher and student interact, it helps clarify the thinking behind applying this concept.

This QuickTime movie explains a solution to a word problem using subtraction. The teacher and student discuss how to work through it together to find a solution. As you watch and listen to them interact it helps clarify the thinking behind applying this concept. [5:54]

This video provides an introduction to all four quadrants of the coordinate plane. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept. [5:28]

This QuickTime movie provides an opportunity to develop the basic geometric term, similar, by comparing figures that are and are not mathematically similar. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie provides an opportunity to develop the basic geometric term, similar, using illustrated figures that are similar. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie provides another opportunity to simplify an expression by combining like terms. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This video provides another example of a multiplication puzzle that helps you practice your facts. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept. [3:26]

This QuickTime movie discusses surveys and sampling methods. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie discusses sampling of a population using M&M's candy. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie provides an opportunity to translate English words into an algebraic expression. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie provides an explanation of Truth Tables, ordered pairs, and graphing the ordered pairs. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie gives examples of writing ratios. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.

This QuickTime movie explains what ratios are and models how to solve a ratio problem. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept. Click the start button to access the video. [4:36]