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Entry for April 2007, Math Mania Contest:
Name: __________________________________
Age: _____
Address: _________________________ School:
___________
City: _____________________ State: ______
Zip: __________
Contact phone: (_____) _____________________
April Math Mania Challenge: Visual Problem
Solving
Example: Place 5 X's
in the following 5 by 5 grid so that there will be no
more than one X per row, column, or diagonal.

1. Place 7 X's in the
following 7 by 7 grid so that there will be no more than
one X per row, column, or diagonal.

2. Place 9 X's in the
following 9 by 9 grid so that there will be no more than
one X per row, column, or diagonal.

3. Place 10 X's in the
following 10 by 10 grid so that there will be no more
than one X per row, column, or diagonal.

4. Complete the following
analogy:

Print
this page and draw the correct figure
in the space below: