Oh no, there are decimals! A resource shows a method to solve a two-step equation that contains decimals. Using a process of clearing the decimals, the presenter converts the equation into a basic two-step equation with whole numbers. At the end, the video shows that solving the equation by leaving in the decimals results in the same answer.

Concepts

decimals, two-step equations, solving equations, solving for 1 variable, linear equations, algebraic equations, one variable equations, equations

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Additional Tags

math

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Instructional Ideas

• Lead a discussion on the pros and cons of clearing the decimals in an equation

Classroom Considerations

• Scholars should know the effects of multiplying by a power of 10
• Assumes individuals understand how to change a fraction into a decimal

• This video is hosted on YouTube

Pros

• Shows the arithmetic steps required to solve the equation
• Lists the steps of solving a two-step equation

Cons

• Assumes viewers must use a calculator to compute with decimals

Common Core

7.EE.B.4.a HSA-REI.B.3 MP6 MP7