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)

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

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.