There is more than one way to solve an equation. Scholars watch as the presenter solves a one-step equation with fraction multiplication two different ways. Viewers see how to use a reciprocal to solve the equation and also how to clear the denominator by multiplying by the LCD. They observe that either method arrives at the same solution.

Concepts

solving equations, solving for 1 variable, one-syllable words, equations, fractions, reciprocals, least common denominator

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Discuss the advantages and disadvantages of the two approaches to solving equations with fractions

Classroom Considerations

• Requires knowledge of multiplying signed rational numbers
• Assumes understanding of solving one-step multiplication equations

• This video is hosted on YouTube

Pros

• Uses different colors to show the calculations
• Checks the solution to confirm it is correct

Cons

• None

Common Core

SL.6.2 SL.8.2 SL.9-10.2 MP1 MP6 MP7 6.EE.B.7