Read and Write an Algebraic Expression Containing a Variable

How do you write five less than a number as a mathematical expression? Show algebra learners how to read and write algebraic expressions by using variables with this introductory video. The first in a series, the video models how to translate the unknown into a variable and how to recognize clue words that indicate what operation to use. 

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CCSS: Designed
Instructional Ideas

  • Challenge your class to rewrite algebraic expressions in word form with the extension activity found at the end of the provided Slides
Classroom Considerations

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Pros

  • An additional video provides commentary about the lesson for instructors
  • Includes a Spanish version of the video lesson
  • Learners can view the video independently
Cons

  • May need to review vocabulary at the beginning of the lesson
  • Additional practice problems needed to master the concept
Common Core