Arithmetic training apparatus

Details Arithmetic training apparatus Arithmetic training apparatus

1976-12-22

1978-05-16

Grieb, William H.

G09B 1902

Patent

active

040891240

ABSTRACT:
Apparatus for training pupils in arithmetic present arithmetic problems at least some of which call for an answer having more than one digit. The answer is received from the pupil in a digit-by-digit manner. In the case of a two-digit answer, the correctness of the first digit is determined prior to the receipt of the second digit of the particular answer. Any incorrectness of the first digit is indicated to the pupil and the correct answer is also displayed to the pupil before receipt of the second digit from him.

REFERENCES:
patent: RE23030 (1948-08-01), Holt
patent: 2983053 (1961-05-01), Bartholomew et al.
patent: 3439281 (1969-04-01), McGuire et al.
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patent: 3787988 (1974-01-01), Nakajima et al.
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IEEE Transactions; vol. HFE-8; No. 2, Jun. 1967, pp. 60-63, "The Development of Computer-Assisted Instruction" by Gustev J. Rath.

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