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A-82.

WHICH IS GREATER?

For each Expression Comparison Mat below, simplify and determine which side is greater.  

 
Shaded tile is plus 1.  Tile is negative 1.

  1. Expression Comparison Mat. Positive Left:  4 positive unit tiles, and 3 negative unit tiles  Negative Left: 2 positive unit tiles, and 2 negative unit tiles. Positive Right: 3 positive unit tiles, and 2 negative unit tiles. Negative Right: 1 positive unit tile, and 3 negative unit tiles.

Use the expression comparison mat on the eTool below to simplify.
Click the link at right for the full version of the eTool: CCA A-82a HW eTool

Refer to the Math Notes box for help with reading the expression comparison mats.

Remove the pairs from the bottom and the top.

1 < 3. The right side is greater.

  1. Expression Comparison Mat. Positive Left: 2 positive unit tiles, and 4 negative unit tiles. Negative Left: 1 positive unit tile, and 1 negative unit tile.  Positive Right: 1 positive unit tile, and 2 negative units tiles.  Negative Right: 1 positive unit tile, and 2 negative unit tiles.

Use the expression comparison mat on the eTool below to simplify.
Click the link at right for the full version of the eTool: CCA A-82b HW eTool