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March 31, 2015

March 31, 2015

Posted by **jason** on Wednesday, January 12, 2011 at 7:11pm.

- math -
**PsyDAG**, Thursday, January 13, 2011 at 11:43amHow many boards are you using?

4 boards = 18 inches * 18 inches

144 square inches = 1 square foot.

9 boards = (27 * 27) square inches.

16 boards = ?

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