1–7 Name Date The Price of Stamps In 1860, mail was delivered by the Pony Express. It cost $5 to mail a letter from Missouri to California! Today, you need to buy only one First-Class stamp to mail a letter. Look at how the price of First-Class stamps has changed over the years. Price of 1 First-Class Stamp Copyright © Houghton Mifflin Company. All rights reserved. 1. Price of 1 First-Class Stamp Year Price Year Price 1900 2 cents 1960 4 cents 1910 2 cents 1970 6 cents 1920 2 cents 1980 15 cents 1930 3 cents 1990 25 cents 1940 3 cents 2000 33 cents 1950 3 cents Write how much the price of a First-Class stamp increased between: 1900 and 1910 1950 and 1960 1910 and 1920 1960 and 1970 1920 and 1930 1970 and 1980 1930 and 1940 1980 and 1990 1940 and 1950 1990 and 2000 2. Analyze Explain how the increase in the price of a First-Class stamp has changed between 1900 and 2000. 3. Extend It Think about how the price of stamps has increased. Do you think the price of a stamp will ever cost more than it cost to mail a letter using the Pony Express? Explain your thinking on a separate sheet of paper. 1–7 Name Date The Price of Stamps In 1860, mail was delivered by the Pony Express. It cost $5 to mail a letter from Missouri to California! Today, you need to buy only one First-Class stamp to mail a letter. Look at how the price of First-Class stamps has changed over the years. Price of 1 First-Class Stamp 1. 2. Price of 1 First-Class Stamp Year Price Year Price 1900 2 cents 1960 4 cents 1910 2 cents 1970 6 cents 1920 2 cents 1980 15 cents 1930 3 cents 1990 25 cents 1940 3 cents 2000 33 cents 1950 3 cents Write how much the price of a First-Class stamp increased between: 1900 and 1910 0 cents 1950 and 1960 1 cent 1910 and 1920 0 cents 1960 and 1970 2 cents 1920 and 1930 1 cent 1970 and 1980 9 cents 1930 and 1940 0 cents 1980 and 1990 10 cents 1940 and 1950 0 cents 1990 and 2000 8 cents Analyze Explain how the increase in the price of a First-Class stamp has changed between 1900 and 2000. Sample answer: The price of a First-Class stamp has increased 31 cents from 1900 to 2000. 3. Extend It Think about how the price of stamps has increased. Do you think the price of a stamp will ever cost more than it cost to mail a letter using the Pony Express? Explain your thinking on a separate sheet of paper. Check students’ work.
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