Determine the relationship between fractions and ratios.

Determine whether ratios and fractions are rational or irrational.

Where is it okay to use a zero in ratios and fractions?

Consider a ratio formed by measurements in a circle.

Look for differences between ratios and fractions.

Explain a general rule for determining the sine, cosine, and tangent of an angle in a right triangle.

Use the Fibonacci’s sequence to examine ratios.

Consider how the number of football players can be represented as fractions and ratios.