Rational or Irrational?

Determine whether ratios and fractions are rational or irrational.

How Does Zero Fit In?

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

An Irrational Ratio

Consider a ratio formed by measurements in a circle.

Ratios and Part-to-Whole Fractions

Look for differences between ratios and fractions.

Trigonometry Ratios

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

Ratio of Fibonacci

Use the Fibonacci’s sequence to examine ratios.

Mathematical Football Players

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