## Reflection: Checks for Understanding Factoring GCF and Grouping - Section 1: Warm up and Homework Review

Our jobs as educators is not to just present information and collect grades, our real goal is to guide students along a path of understanding.  One big task in this goal is to understand why a student isn’t “getting” a concept.  This warm up is a perfect example of this.  In Student Work 1, the student provided answers that were equivalent expressions but did not answer the question.  This could be either inattentiveness or misunderstanding of the vocabulary terms.  For this particular student, she didn’t carefully read the directions.  Student Work 2 gives an example from a student who truly doesn’t understand the concept.    Fortunately, this lesson addresses this misunderstanding fairly well.

A major issue is finding the time to check student work for these types of misconceptions.  One method I use is moving around the classroom peaking over shoulders.  This gives me an informal survey of the topic(s) that need to be addressed.  I use this information to drive the day’s instruction.  The other issue is what to do with the information.    In this case, the lesson provides the scaffolding to ensure that students who are a bit behind can find success.  Other times, I go back and either teach or reteach the missing content.  It is better to be

Checks for Understanding: Diagnosis- An Important Task For A Teacher

# Factoring GCF and Grouping

Unit 3: Polynomials
Lesson 6 of 15

## Big Idea: Multiple methods for finding the factors of polynomials are addressed and analyzed in this lesson.

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Standards:
Subject(s):
Math, Algebra, Algebra 1, Algebra 2, factoring polynomials, master teacher project, factoring with gcf, factor by grouping
50 minutes

### Amelia Jamison

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