1. OPENER A dozen apples cost $4.99. Here is a model of this situation: 1.What does each small rectangle represent? 2. What does the large rectangle represent? 3. How can you estimate the cost of one apple? 4. Estimate the cost of one apple

2. CHAPTER 2.1 INTRODUCTION TO DIRECT VARIATION

3. PAGE 68 READ FOR ME PLEASE (INCLUDING #1)… Total students Prefer Country Prefer RockPrefer Hip-Hop No Preference 60 120 180 240 15 20 12 13 30 40 24 26 Work in your groups to finish the table, and #2 & 3…5 minutes

4. PAGE 69 4. Complete the table Total students Prefer Country Prefer RockPrefer Hip-Hop No Preference 600 300 600 480 650 150 1200 200120130 400 240 260 Finish the table and #5 in your groups…5 minutes

5. PAGE 70 READ FOR ME PLEASE… 80 160 240 300 600 900 Country Music Preference y x Students who prefer country music Total number of students 320 400 480 1200 15001800 Now plot the points from the last 2 tables: (60, 15), (120, 30), (180, 45), (240, 60), etc. Work in your groups on #2-4…5 minutes.

6. PAGE 71 READ FOR ME PLEASE (UNDER #4)… Continuous data simply means there are a lot of other numbers in between the numbers you have plotted. You show this on your graph by drawing a line through the points. Discrete data simply means there are no numbers in between the numbers you have plotted. The information is only the numbers that you plotted. You show this on a graph by NOT drawing a line to connect the points.

7. PAGE 72 READ FOR ME PLEASE… 6. In each graph, if there were zero total students, how many would like each type of music? If there were zero total people, there would be zero students in each category. Page 73…read for me please… So, explain: direct variation origin direct proportions Page 74…skip problems 7 & 8. Work on your homework