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3-96.

Represent each operation below by drawing tiles. Then simplify each expression.  

Gavin had a similar problem. He was told to represent by drawing pieces. Look at his diagram below. Then use Gavin's method to solve your problem.

 

This diagram represents four negative numbers. The arrow pointing to the negative numbers means to combine with them with one more negative number.

  1. Gavin was told to represent by drawing pieces. Again, look at the diagram below and then use Gavin's method to solve your problem.

    This diagram represents four negative numbers where one of them was removed.