Adding with Parenthesis

Directions: Using the digits 1 to 9, at most one time each, make a true statement.

Hint

What has to be true about the pairs of numbers inside the parenthesis?

Answer

There are many answers including:
8 = (6+2) = (7+1) = (5+3)
9 = (8+1) = (7+2) = (6+3)
7 = (6+1) = (3+4) = (5+2)

Source: Owen Kaplinsky

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4 comments

  1. Catherine Hashimoto

    Can’t wait to have my students work on this!!!

  2. 9= (8+1) =(5+4) =(7+2)=(6+3)

  3. 9=(7+2)=(4+5)=(8+1)

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