Patent Document ID: 20080090213
Application ID: 11955315
Patent Flag: 0

Claim One:
1. A system to teach mathematics of the base 10 number system comprising: at least one peg defining a receptacle, the position of the receptacle signifying an increment of 10; at least one shaft sized so that an end of the at least one shaft may be inserted into the receptacle; at least one cube defining a sleeve sized to allow the at least one shaft to be inserted through the sleeve, the at least one cube signifying a unit value; at least one divider defining an open slot, the slot sized to allow the at least one shaft to fit into the slot; and at least one tray defining a peg receptacle, the peg receptacle sized to allow insertion of at least one peg into the peg receptacle, wherein the cube, the shaft, the divider, and the pig are configured to represent values of whole numbers of the base 10 number system.