The Pythagoras Board is basically the multiplication times table in visual form. It has the numbers 1-10 going vertical and horizontal on the board. The are 100 number tiles and the child chooses a wooden tile, thinks of a multiplication equation that produces this product, then places the chip in the correct position on the ruled board. There is also a set of cards with multiplication equations for the child to answer and a control chart is included to enable the child to check their own work.
Growing up many of us remember two things about math:
1) that we didn’t like it, and
2) how boring it was to memorize the multiplication tables.
How much would we have benefited from the hands-on nature of the Montessori materials? Plus, being able to focus on the process rather than simply finding the correct answer. By using the Montessori math materials on a everyday basis, children often memorize their math facts without actually setting out to do so. (http://mcsomaha.org/work-week-pythagoras-board/