This video uses a real world scenario to explore real numbers. We will begin to solve the problem: Are there always numbers between numbers?

Originally released by Apperson, 2013. Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2015.

What We Know vs. What We Need to Know (6:20); --Rational Number as a Fraction (5:15); -- Perfect Squares (4:06); -- Decimals as Fractions (3:36); -- Comparing Values (2:57); -- Solving the Big Question (4:12); .