Solving One Step Equations Using Addition and Subtraction (Decimals)

Deal with an equation that is not all whole. Pupils watch as the short video shows solving two one-step equations containing decimals. One equation involves addition and the other subtraction. As with whole numbers, the decimal equations use inverse operations in the solution process. 

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • When providing practice problems for solving equations, be sure to always include decimals to keep the class in practice of working with decimals
Classroom Considerations
  • Requires individuals to be comfortable with adding and subtracting decimals
  • Assumes knowledge of solving one-step equations
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Uses colors to highlight steps involving properties of equality
  • Confirms solutions by substituting back into the original equation
Cons
  • None
Common Core