In 2.G.3, 2^{nd} grade geometry item 3, the Common Core State Standards for Mathematics reads:

**2.G.3** Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.

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