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Comparing and Scaling On Desk: In your planner:

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Presentation on theme: "Comparing and Scaling On Desk: In your planner:"— Presentation transcript:

1 Comparing and Scaling On Desk: In your planner:
Math CC7/8 – Be Prepared Comparing and Scaling On Desk: In your journal: Title: CS 3.1 Markups and Markdowns Warm Up: Homework Yellow warm up Glue the yellow pool warm up in to your journal. Make a rate table, a graph, and an equation for the situation. Turn In: Signed SS Unit Test and corrections! In your planner: HW: Complete the CS Quiz and Correct it! Turn this in Tomorrow! SS Retake Monday Nov. 19th CS Unit Test Tuesday, Nov. 20th

2 Markups/Markdowns: Using Ratios, %, Proportions Mini Quiz-15 minutes
Today’s Tasks Warm Up-15 minutes CS – Lesson 3.1 Intro-10 min Markups/Markdowns: Using Ratios, %, Proportions Mini Quiz-15 minutes

3 Warm Up Are the following rate tables proportional? Why or why not? x 2 4 6 8 y 3 9 12 Yes! x 1 2 3 4 y 6 18 36 60 No!

4 Warm Up (finish 2.3, C #1-4)

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8 Finding the percent, finding the part, and finding the whole

9 Quiz Expectations Calculators Ok Work silently the whole 20 min.
If stuck Use notes in journal When finished, double check, turn in Work on one of the following silently: Math Homework Homework for another class Read

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15 Yes! Carla’s method will work.
price percent S = $22, 550 Yes! Carla’s method will work. If the buying price = 100%, then the selling price = 10% %.

16 100% 110% 20,500 S =

17 Yes, Huan is also correct
Yes, Huan is also correct. After he finds M he needs to add M to the buying price to find the selling price. The customer’s spending limit is 105% of the maximum selling price. S ≈ $

18 M = 10% (25% of 10% of $20, 500) = M = 15% = (20% of 15% of $20, 500)

19 If time… 3% : 2.5% $6 : $5 Otto would pay Huan $6 for every $5 Carla would pay. 3% : 2.5% 1.2 : 1 Otto would pay Huan 120% of what Carla would pay.


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