You have seen that if you double all the numbers in a Cross Number Puzzle, you get a new one that works.

Do you think that if you ADD the same number to each number in a puzzle, you will get a new puzzle that works? Complete Puzzle A and see if Puzzle A � 5 works.

Complete Puzzle B and see if Puzzle B � 5 works.

Complete Puzzle C and see if Puzzle C � 5 works.

Activity Master 5

Changing Cross Number Puzzles

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Teacher Resource Book AM5

MNENL07AAY5X_TRB_01-04_V1.indd AM5MNENL07AAY5X_TRB_01-04_V1.indd AM5 11/17/06 4:12:23 PM11/17/06 4:12:23 PM