Reflection: Developing a Conceptual Understanding Factoring (Day 2 of 3) - Section 2: Investigation

This lesson is similar to lesson 3 in that using algebra tiles is essential in aiding student understanding.  Again, although cumbersome, the tiles are well worth the time. During the investigation it is powerful for the kids to make the connection on their own. Instead of the teacher telling the students exactly what to do, they are able to come to the “ah ha” moment on their own. This is much more powerful and lasting than simply memorizing steps. The self discovery makes it stick. This is a one day lesson but it may be worth 2 days. Due to the weight of the standard and the length of the lesson, if there is time, I recommend spending the 2 days on it.

Algebra Tiles, Cont.
Developing a Conceptual Understanding: Algebra Tiles, Cont.

Factoring (Day 2 of 3)

Unit 8: Polynomials
Lesson 7 of 9

Big Idea: Students will investigate the relationship between the factors of a trinomial expression and its visual representation through the use Algebra Tiles.

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80 minutes

Noelani Davis

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