This video demonstrates what tools can be used to solve linear equations and inequalities. we will begin by demonstrating how we can use algebraic equations to solve problems using addition and subtraction. To do so, we will use a real world problem to solve. We will attempt to figure out Which is taller: the world's largest snowman or the world's largest snow woman? How much taller?

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 (3:02); --How Can I Find Out Which is Taller? (5:02); -- Finding the Difference (1:41); -- Making Sure an Equation Relates to a Problem (2:31); -- Solving the Big Question (3:25); .