Consider the shape shown. The circle is split into blank equal parts. Each part is one blank of the circle.
The first thing we need to do is count how many equal parts this circle has been split into: one, two, three, four, five, six, seven, eight. This circle has been split into eight equal parts. And each part is one blank of the circle. What fraction would we say that one part of this circle is? It’s one-eighth. Because there are eight parts, each part is one-eighth of the circle.