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Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
1/2/2022
For decades, teachers drilled American school children using flash cards that gave simple arithmetic problems. The advent of inexpensive electronic calculators in the 1970s made it possible to do much routine arithmetic automatically. To teach school children the meaning of basic operations, new dev
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
1/2/2022
During the late 1950s and 1960s, American scientists and educators proposed using machines for instruction. Teaching machines and related programmed textbooks used a careful sequence of questions for teaching. Jerome C. Meyer and later William R. Hafel, both of Sunnydale, California, believed that i
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
1/2/2022
Introduced in mid-1976, the Little Professor is a non-printing electronic calculator modified to present simple arithmetic problems. A correct answer prompts another problem on the eight-digit display. An error delivers the message, "EEE." The colorful keyboard shows a professor with whiskers and gl
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