1. Entry Task
Two partners invest $15000 and $20000 into a start up business that the figure will cost $45000 to begin. They need to find a 3rd partner. How much will that partner invest? Write a ratio to represent the 3 partners shares in the business.
$10000 and 2:3:4

2. Answers to pg. 7 a strong work ethic is needed
$130, because partners are personally liable
60%
Y-w
$28,500
Only lose their shares not personally liable
600,001
$20 million
12%
Yes
$15,000 and $36000
2/3
70.6%
9x / 2
29.4%
100,00 +x +2x
$533,333
2(100,000 + x + 2x) = 1,100,000
41.7%
$100,000 : $150,000 : $300,000 and $550,000
32,832
Yes, if a shareholder has more than 50%
100 ( 𝑥𝑦 𝑧 ) No 3%
77%
Due to limited liability shareholders forfeit $0 in personal property but do forfeit shares of stock

3. Chapter: 1 The Stock Market Section: 2 Stock Market Data

4. Big Idea:. Make sense of problems and persevere in solving them
Big Idea: Make sense of problems and persevere in solving them. Reason abstractly and quantitatively. Attend to precision.
CCSS
Objective
N-Q1 Use units as a way to understand problems and to guide the solution
N-Q2 Define appropriate quantities for the purpose of descriptive modeling
N-Q3 Choose a level of accuracy appropriate to limitations on measurement when reporting quantities
A-CED1 Create equations and inequalities in one variable and use them to solve problems.
A-REI3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.
Use stock date to follow the daily progress of a corporate stock
Write spreadsheet formulas
STEM Correlation: Technology

5. Vocabulary Stock Market Trades NYSE NASDAQ Last Close High Low Volume
Sales in 100’s
52 week high / low
Net change
After hours trading
Spreadsheet
cell

6. What stock market data is available?
Pg. 9 and 10

7. Example 1
XYZ Cooporation
XYZ Cooperation
May 5
May 12
Last
52.20
49.98
Chg
2.61
-1.55
Open
50.10
49.90
52 Week high/low
60.45 / 43.60
Sales in 100’s
28000
32000
High / Low
/ 49.00
51.40 / 50.60
What is the difference between the high and low prices on May 5th?
52.60 – = $3.60

8. Example 2
XYZ Cooporation
XYZ Cooperation
May 5
May 12
Last
52.20
49.98
Chg
2.61
-1.55
Open
50.10
49.90
52 Week high/low
60.45 / 43.60
Sales in 100’s
28000
32000
High / Low
/ 49.00
51.40 / 50.60
On May 12th, what was the actual volume of XYZ shares posted?
Write the volume in thousands.
The data for May 12 does not use the category name volume. Sales in 100’s indicates volume.
32,000 x 100 = 3,200,000
However, it asks for sales in 1000’s so we divide by 1000
3,200,000 ÷1000=3,200
On May 12, 3,200 thousand shares were traded.

9. Example 3 At what price did XYZ Corporation close on May 4?
XYZ Cooporation
XYZ Cooperation
May 5
May 12
Last
52.20
49.98
Chg
2.61
-1.55
Open
50.10
49.90
52 Week high/low
60.45 / 43.60
Sales in 100’s
28000
32000
High / Low
/ 49.00
51.40 / 50.60
At what price did XYZ Corporation close on May 4?
Because XYZ ended May 5th at and this reflected a change of $2.61 from the previous day’s close. We let x represent the closing price of May 4th.
𝑥+2.61=52.20
𝑥=49.59
XYZ closed at $49.59 on May 4th

10. Example 4
XYZ Cooporation
XYZ Cooperation
May 5
May 12
Last
52.20
49.98
Chg
2.61
-1.55
Open
50.10
49.90
52 Week high/low
60.45 / 43.60
Sales in 100’s
28000
32000
High / Low
/ 49.00
51.40 / 50.60
Use the May 4th closing from example 3 and the May 5th opening price to find the difference in prices as a percent increase. Round to the nearest hundredth percent.
Percent increase = 𝑜𝑝𝑒𝑛 −𝑐𝑙𝑜𝑠𝑒 𝑐𝑙𝑜𝑠𝑒 𝑥 100
Substitute Values = − 𝑥 100
Simplify x 100
Multiply There was approximately a % increase

11. Example 5
XYZ Cooporation
XYZ Cooperation
May 5
May 12
Last
52.20
49.98
Chg
2.61
-1.55
Open
50.10
49.90
52 Week high/low
60.45 / 43.60
Sales in 100’s
28000
32000
High / Low
/ 49.00
51.40 / 50.60
On May 6, the XYZ Cooperation a decrease in earnings. This news caused the price of their stock to drop. It closed at $ Express the net change from May 5 to May 6 as a percent
𝑀𝑎𝑦 6 𝑐𝑙𝑜𝑠𝑒 −𝑀𝑎𝑦 5 𝑐𝑙𝑜𝑠𝑒 𝑀𝑎𝑦 5 𝑐𝑙𝑜𝑠𝑒 ×100
44.37 − ×100
= −.15 ×100=−15%

12. Lesson Check
1) What is the difference between the high and low on May 12th?
Click here for table
2) On May 5, what was the actual volume of XYZ shares posted? Write the answer in thousands.
3) At what price did XYZ close on May 11th?
4) Use May 11 closing price from previous check you understanding and the May 12 opening price to represent the difference as a percent decrease.
5) On May 13, XYZ announced another decrease in earnings. The price stock dropped to close at $ Express the net change from May 12 to May 13 as a percent
1) .80
2) 2,800
3) $51.53
4) -3.16%
5) -8.5%
XYZ Cooporation
XYZ Cooperation
May 5
May 12
Last
52.20
49.98
Chg
2.61
-1.55
Open
50.10
49.90
52 Week high/low
60.45 / 43.60
Sales in 100’s
28000
32000
High / Low
/ 49.00
51.40 / 50.60

13. Assignment
P. 14 #1-11
Career Application: Invester, Day trader