Let’s write equations describing proportional relationships.

Let’s investigate equations that represent proportional relationships.

Let’s use equations to solve problems involving proportional relationships.

Let’s explore how proportional relationships are different from other relationships.

Let’s develop methods for deciding if a relationship is proportional.

Let’s solve problems about proportional relationships.

Let's see how graphs of proportional relationships differ from graphs of other relationships.

Let’s graph more than one relationship on the same grid.

Let’s use tables, equations, and graphs to answer questions about proportional relationships.

Let’s see how accurately we can measure.

Let’s explore circles.

Let’s explore the circumference of circles.

Let’s use \(\pi\) to solve problems.

Let’s estimate the areas of weird shapes.

Let's investigate the areas of circles.

Let’s find the areas of shapes made up of circles.

Let’s contrast relationships that are and are not proportional in four different ways.

Let’s investigate saving water.

Let’s contrast circumference and area.

Let’s use circumference and area to design stained-glass windows.