Factoring Trinomials Using Tiles

What's the opposite of multiplying binomials? Learners apply their previous knowledge of multiplying binomials using algebra tiles to factor trinomials. The lesson introduces factoring as a process that uses algebra tiles to work backwards from multiplying binomials.

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CCSS: Designed
Instructional Ideas

  • Use this resource to introduce factoring trinomials

 

Classroom Considerations

  • Assumes learners understand how to use algebra tiles to multiply binomials
  • It is possible to split the lesson into two days, one for when a = 1 and another for when a > 1
Pros

  • Provides a link to an applet that uses virtual algebra tiles in case physical algebra tiles are not available
  • New and veteran teachers alike will appreciate the post-reflection
Cons


Common Core