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2-87.

Copy and complete each of the Diamond Problems below. The pattern used in the Diamond Problems is shown at right.  

Generic Diamond Problem. One number, X, is located on the left side. The second number, Y, is located on the right side.  The bottom number is the sum of the two numbers, X and Y. The top number is the product of the two numbers, X and Y.

  1. Diamond Problem. Left 8,  Right negative 8,  Top blank, Bottom blank

    Multiply by  to get .

    Add to to get .

    Diamond Problem. Left 8,  Right negative 8,  Top negative 64, Bottom 0

  1. Diamond Problem. Left blank,  Right blank, Top negative 25, Bottom 0

    What are the factors of ?

    Which of these add to ?

  1. Diamond Problem. Left 4,  Right blank, Top negative 12, Bottom blank

    Divide by to find .

    Diamond Problem. Left 4,  Right negative 3, Top negative 12, Bottom 1

  1. Diamond Problem. Left 1 divided by 2,  Right negative 1 divided by 3, Top blank,  Bottom blank

    Use the pattern in the diamond and remember your negative signs.