Solve a Two-Step Equation with Decimals (Example)

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.

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CCSS: Adaptable
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
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