8.2 Stock Market Data

1. What was the difference between the high and the low prices on October 20?

• $53.41

• $3.33

• $1.28

• $5.19

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CCSS.7.EE.B.3

2. On October 27, what was the actual volume of Discovery Inc. shares posted?

• 23,600

• 236,000

• 2,360,000

• 23,600,000

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CCSS.5.NBT.A.2

3. At what price did Discovery Inc. close on October 19?

• $37.22

• $36.94

• $40.06

• $38.78

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CCSS.5.NBT.A.3

4. Use the October 19 closing price (from #3) and the October 20 opening price to find the difference in prices as a percent of increase. Round to the nearest hundredth percent.

• 0.76%

• 4.22%

• 1.23%

• 3.01%

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CCSS.6.RP.A.3C

5. On October 21, Discovery Inc. announced that they would close one of their manufacturing plants. This resulted in a drop in their stock price. It closed at $32. Express the net change from October 20 to October 21 as a percent, rounded to the nearest tenth of a percent.

• 20.3%

• 12.4%

• -16.9%

• -19.7%

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CCSS.6.RP.A.3C

6. On October 28, Discovery Inc. announced that they would not be closing the plant. This news caused the price of their stock to rise. It closed at $48.20. Express the net change from October 27 to October 28, rounded to the nearest tenth of a percent.

• -12.9%

• -15.4%

• 14.8%

• 13.7%

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CCSS.8.F.B.4

CCSS.HSF.IF.B.6

7. Explain why the 52-week high and 52-week low numbers are the same in both charts.

• $76.19 was the highest the stock sold for on Oct 20th and 27th. $22.78 was the lowest the stock sold for on Oct 20th and 27th.

• There was no price higher than $76.19 or lower than $22.78 for those weeks.

• On Oct 20th and 27th, the stock opened at $22.78 and closed at $76.19.

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CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

8. Examine the closing price of Discovery Inc. on October 27. One year earlier, one share closed at 30% higher than that amount. What was the closing price one year earlier?

• $42

• $55.25

• $12.60

• $54.60

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CCSS.6.RP.A.3C

Write each of the actual volumes from the given information.

9. Sales in 100s for 82,567

• 8,256,700

• 825,670

• 8256.7

• 825.67

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CCSS.4.NBT.A.2

Write each of the actual volumes from the given information.

10. Sales in 100s for 321.78

• 321.78

• 3,217.8

• 32,178

• 321,780

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CCSS.5.NBT.A.3A