New Math Flash Cards, Subtraction
date: label: date made
content: ca 1965
name: label: maker
content: Milton Bradley Company
notes: label: Description
content: From the 1950s, particularly after the launch of the Sputnik satellite in 1958, American mathematicians and mathematics educators introduced a variety of reforms in mathematics teaching dubbed “The New Math.” This set of flash cards reflects the way of presenting subtraction problems that emerged.
label: Description
content: The set consists of fifty cards, printed with subtraction problems on each side. The problems are written crosswise, with a box for the answer. The solution is printed in red in the upper left corner on the back. Another card lists basic subtraction facts (vertically), and three cards give work sheets and directions.
label: Description
content: A mark on the paper box reads: MILTON BRADLEY (/) NEW MATH (/) FLASH CARDS (/) SUBTRACTION. Another mark reads: [copyright] 1965. A third mark reads: 4592.
label: Description
content: These and several other sets of flash cards were donated by elementary school teacher Marjorie A. Naidorf.
label: Description
content: Compare 2005.0055.06, 2005.0055.07, 2005.0055.08, and 2005.0055.09.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Springfield
topic: label: Subject
content: Mathematics
label: Subject
content: Women's History
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Women Teaching Math
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content: Science & Mathematics
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content: Arithmetic Teaching
creditLine: label: Credit Line
content: Gift of Sherman L. and Marjorie A. Naidorf
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2005.0055.06
label: catalog number
content: 2005.0055.06
label: accession number
content: 2005.0055
objectType: label: Object Name
content: flash cards
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 3.5 cm x 10 cm x 15.5 cm; 1 3/8 in x 3 15/16 in x 6 3/32 in