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Liberty Loan Math Problems Created by Teachers of the Arnold Avenue School, World War I, c. 1917
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Lesson Topic:
Each stamp cost 25-cents and 16 stamps could be exchanged for a War Savings Certificate. These certificates were insured against loss and could be sold back to the post office with ten days written notice. War Savings Certificates accumulated 4 percent interest compounded quarterly and the investor did not pay taxes on the profit. If the purchaser chose to hold on to the certificate until January 1, 1923, the certificate would be considered mature and could be sold back to the government for 5 dollars. The Thrift Stamps raised $1 billion for the war effort.
School teachers brought this fund-raising effort to their students in an effort to encourage patriotism and teach the importance of saving. The teachers at Arnold Avenue Elementary School in Amsterdam, New York wrote these math problems in an effort to keep students thinking about the ways they could contribute to the war effort.