A fraction can be modeled by a whole divided into equal parts.

The sum of two fractions can be represented using fraction models.

$\frac{1}{8}$ can be represented by a grid divided into eight equal parts with one part shaded.

$\frac{2}{8}$ can be represented by a grid divided into eight equal parts with two parts shaded.

$\frac{3}{8}$ can be represented by a grid divided into eight equal parts with three parts shaded.

So, the model below represents the number sentence.