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The Geometric Hierarchy of Number is uded to represent in geometric form the hierarchy of numbers for a unit, ten, hundred, one thousand, ten thousand, one hundred thousand and one million.
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HIERARCHICAL TRINOMIAL CUBE
SANDPAPER NUMERALS
PYTHAGORAS BOARD
NUMBER RODS
FRACTION SKITTLES
TENS BOARDS
POWER OF TWO CUBE
PRINTED NUMERALS WITH BOX
TEEN BOARDS
HUNDRED BOARD
SPINDLE BOX
SMALL WOODEN NUMBER CARDS 1-9000
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