HALVES, THIRDS, AND FOURTHS
If a shape is partitioned into two equal shares, the shares can be described as halves.
One of the shares can be described as half of the whole shape.
The whole shape can be described as two halves.
If a shape is partitioned into three equal shares, the shares can be described as thirds.
One of the shares can be described as a third of the whole shape.
The whole shape can be described as three thirds.
If a shape is partitioned into four equal shares, the shares can be described as fourths.
One of the shares can be described as a fourth of the whole shape.
The whole shape can be described as four fourths.