Partitioning shapes

What do we call two equal parts of a shape?

What do we call four equal parts of a shape?

What do we call parts of a shape that are not equal?

If a circle is divided into 2 equal parts, what are those parts called?

If a rectangle is divided into 4 equal parts, what are those parts called?

Can a shape be divided into parts that are not equal?

What is the result of dividing a shape into 2 parts?

What is the result of dividing a shape into 4 parts?

If you cut a pizza into 4 equal slices, what are those slices called?

If you cut a chocolate bar into 2 equal pieces, what are those pieces called?