The Long Division Algorithm

Two methods are always better than one! The eighth installment in this series asks pupils to convert decimals to fractions using two approaches. Individuals first use the more traditional approach of long division and then use reverse multiplication to show the decimal expansion of the fraction. Scholars see the benefits to each method.

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CCSS: Designed
Instructional Ideas

  • Introduce the mathematical definition of rational numbers at the conclusion of the lesson
  • Using whiteboards, have rows complete a problem as a relay; each person completes a step and then passes the board to the next person 
Classroom Considerations

  • Learners need a strong understanding of the long division algorithm
Pros

  • Includes discussion questions to help individuals make connections and build understanding
  • Provides a lesson summary to highlight the important concepts within the activity
Cons

  • None
Common Core