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Numbers
and Operations


Use groups of 4.
It's Greek to Me

The figure shown below is a type of Greek square. A Greek square can be used to create a secret code. In this Greek square, factors are written above the columns and to the left of the rows. Each letter, then, may be replaced by a product. For example, the letter A is in the first column and the first row. Therefore, it could be replaced in a coded message by (). The word code could be written / / / .

On a sheet of paper, write a secret message using the code in the Greek square. Trade papers with another group member and decipher his or her message.

Greek square