Overcoming a Second Obstacle in Factoring—What If There Is a Remainder?

Looking for an alternative approach to long division? Show your classes how to use factoring in place of long division. Increase their fluency with factoring at the same time!

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CCSS: Designed
Instructional Ideas

  • Begin with a review of factoring quadratic expressions to encourage fluency
  • Use the mental math exercise in advance to prepare for the lesson
Classroom Considerations

  • Learners should have a solid understanding of factoring quadratic expressions
Pros

  • Uses known concepts to develop a new understanding
  • Provides teachers with instruction and questioning strategies to use throughout the lesson
Cons

  • None