Thursday, August 7, 2008

A Mighty Big Birdhouse




This is a condominium for birds called Purple Martins. It was built by Amish carpenters out of recycled lumber and roofing and sold for $80 at Todd's Farm. Okay, let's do a little math. Can you figure out how many doors there are going into the whole house? Think "Multiplication". (All the sides are the same.)

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