Expression Mat Legal Moves

To simplify an algebraic expression that consists of both like and unlike terms it might be helpful to first move the like terms together.

Expression mat legal moves.

Using an expression mat. Our software turns any ipad or web browser into a recordable interactive whiteboard making it easy for teachers and experts to create engaging video lessons and share them on the web. Tiles may be removed from or moved on an expression mat in one of three ways. When moving the terms we must remember to move the or attached in front of them.

Build the expression comparison mat shown here. Write an expression representing each side of the expression mat. See the math notes. Left right expression for left side.

For example 3x 2y 2x 6 3x 2x 2y 6 3 2 x 2y 6 x 2y 6. 2 flipping a tile from one region to another. Use legal moves to determine which mat is greater if possible. Cc2 6 5b student etool.

What remains is 2x on mat a and 4 on mat b. Students may record their work using algebra tiles. Simplify 3x 2a. Legal simplification moves algebra tiles.

Using an expression mat. Write an expression for each side of the expression comparison mat. Expression for right side. Such moves create opposites of the original tile so a shaded tile becomes un shaded and an un shaded tile becomes shaded.

Students can replay these lessons any time any place on any connected device. Simplify the expressions using the legal moves that you developed in lesson 2 1 5. Step 1 add balanced set step 2 add balanced set step 3 remove zeros. There are other possible arrangements.

1 removing the same number of opposite tiles in the same region. Educreations is a community where anyone can teach what they know and learn what they don t. 2 core connections courses 1 3 example 2 use legal moves so that all the x variables are on one side and all the unit tiles are on the other.