# Distributive Property

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## Objective

Students will be able to use the distributive property to simplify expressions.

#### Big Idea

What does distribute mean in language arts? We can apply that definition to math to help us simplify expressions.

## Launch

10 minutes

Opener:  As students enter the room, they will immediately pick up and begin working on the opener.  Please see my instructional strategy clip for how openers work in my classroom (Instructional Strategy - Process for openers).  This method of working and going over the opener lends itself to allow students to construct viable arguments and critique the reasoning of others, which is mathematical practice 3.

Learning Target:  After completion of the opener, I will address the day’s learning targets to the students.  In today’s lesson, the intended target is, “I can use the distributive property to simplify expressions.” Students will jot the learning target down in their agendas (our version of a student planner, there is a place to write the learning target for every day).

## Explore

50 minutes

White Board Practice: Instead of my traditional table challenge, today students each student will complete the practice problems on their own mini whiteboard. This will give me a good idea of the individual understanding that is taking place. Students will still be permitted and encouraged to talk with their table mates, but I want to see each student work the problems out. These problems will require students pay close attention to precision – signs, distributing properly – which is mathematical practice 6.

## Summarize

5 minutes

Table Question:  As a summary to this lesson, I am going to give students a factoring problem – without addressing it as factoring.  I am going to give the students the set up of a distributive property problem, as well as the answer – and it will be their job to fill in the blanks.  Thus, they will be analyzing the parts of the distributive property. I will call on several students to share their answers before I comment on whether answers are right or wrong.