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 explore how far different wheels roll.

Let’s estimate the areas of weird shapes.

Let’s investigate the areas of circles.

Let’s rearrange circles to calculate their areas.

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

Let’s contrast circumference and area.

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