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Home > MC1 > Chapter 2 > Lesson 2.3.1 > Problem 2-108


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

Diamond Problem. Left number, Right number, Top product,  Bottom sum

  1. Find the number that will complete the expression ______ .

    With the number in red you complete the diamond by finding the product of the two numbers.

    The numbers and complete the diamond.

  1. This problem is very similar to part (a). Try solving the problem on your own. What added to gives ?

    The missing numbers are and .

  1. Use parts (a) and (b) as guides for solving this problem.
    You may also want to try guessing and checking for possible numbers to complete the boxes, since you cannot begin with subtraction or division.

  1. To complete the diamond, find the sum and product of the two given numbers.