This video uses a real world scenario to explore solving by substitution. We will begin to solve the problem: What happened to my other fish?
General Note
Originally released by Apperson, 2013.
Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2015.
Content Note
What We Know vs. What We Need to Know (3:36); --Using Substitution to Solve and Equation (4:53); -- Finding the Culprit (4:49); -- Solving the Big Question (4:28); .