ACTIVITY 1I: PRICE IS RIGHT
Description
Students determine the decimal equivalent of stock prices in mixed number form.
Math Objectives
The student will be able to:
• Convert fractions to decimals
• Round decimals to the nearest hundredth
Stock Market Concepts
Stock Prices
Connections and Extensions
Writing: Students respond to the prompt, “The decision for the United States’ stock markets to convert stock prices from fractions to decimals was a difficult one. Do you think people and businesses would want the stock prices to remain in fractions or change to decimals? Why?” The teacher may provide the following as examples of people or businesses that may have an interest in this topic:
ACTIVITY 1I: PRICE IS RIGHT
Stocks traded in the United States have been priced differently over time. Until 2001, stocks were
priced using fractions. Now all stocks are priced in decimals. To compare stock prices from before
2001, convert the old price to a decimal.
What is the decimal price of each of the old stock prices below? Round to the nearest cent or hundredth.
1. 263/4 =
2. 91/2 =
3. 143/16 =
4. 279/16 =
5. 583/4 =
6. 931/8 =
7. 53/8 =
8. 385/8 =
9. 121/16 =
10. 423/8 =
11. 81/4 =
12. 197/8 =
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