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Thursday, September 19, 2013
Objective #6: Identifying Proportional and Non­Proportional
Relationships in Graphs
HW: Lesson 6 Problem Set and Quiz #1 tomorrow
Do Now:
Check your homework answers from last night.
1a) Proportional. The points are on a line and the line goes through the origin.
b) Not Proportional. Although the points are on a line, the line does not go
through the origin.
c) Not Proportional. Although the points go through the origin, is does not
form a line.
2.) Not proportional. The points do not lie on a line that goes through the
origin.
3. a) Yes.
b) No.

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Yesterday's Exit Ticket

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Get into groups of 4

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Each group should have:
* Poster Paper
* Markers
* Graph Paper
* 5 Ratios

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Poster Paper
Fold the poster paper into four sections and label
each section.
TableProblem
Graph Proportional or Not?
Explain.
label label
label
label
title

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Time: 15 minutes
Task: Discuss the problem and record answers
on the poster paper.

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Time: 5 minutes
Task: * Hang poster on the wall.
* Look at other group posters.
* Find the group with the same ratio.
* Discuss with your matching ratio group
the differences in your posters.

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Art Gallery
* Circulate around the room to observe posters
* Write your thoughts about each poster on
sticky notes and put them on the posters.
* Answer these questions about each poster on your worksheet:
1) Were there any differences in groups with the same ratios?
2) Did you notice any common mistakes? How might they be
fixed?
3) Was there a group that stood out by representing their
problems and findings exceptionally clearly?

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What does it mean for a display to be both
visually appealing and informative?
Closing

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If someone from another school walked through
our gallery, would they be able to learn about
ratio and proportion from our posters?
Closing

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Exit Ticket
To be handed in.