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FR1505611A - Improvements to teaching devices for teaching arithmetic - Google Patents

Improvements to teaching devices for teaching arithmetic

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Publication number
FR1505611A
FR1505611AFR69047874AFR69047874AFR1505611AFR 1505611 AFR1505611 AFR 1505611AFR 69047874 AFR69047874 AFR 69047874AFR 69047874 AFR69047874 AFR 69047874AFR 1505611 AFR1505611 AFR 1505611A
Authority
FR
France
Prior art keywords
teaching
arithmetic
devices
teaching devices
teaching arithmetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR69047874A
Other languages
French (fr)
Inventor
Concepcion Roca Baro
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to FR69047874ApriorityCriticalpatent/FR1505611A/en
Application grantedgrantedCritical
Publication of FR1505611ApublicationCriticalpatent/FR1505611A/en
Expiredlegal-statusCriticalCurrent

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FR69047874A1966-10-251966-10-25 Improvements to teaching devices for teaching arithmeticExpiredFR1505611A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
FR69047874AFR1505611A (en)1966-10-251966-10-25 Improvements to teaching devices for teaching arithmetic

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
FR69047874AFR1505611A (en)1966-10-251966-10-25 Improvements to teaching devices for teaching arithmetic

Publications (1)

Publication NumberPublication Date
FR1505611Atrue FR1505611A (en)1967-12-15

Family

ID=1586937

Family Applications (1)

Application NumberTitlePriority DateFiling Date
FR69047874AExpiredFR1505611A (en)1966-10-251966-10-25 Improvements to teaching devices for teaching arithmetic

Country Status (1)

CountryLink
FR (1)FR1505611A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US3556529A (en)*1968-08-081971-01-19Lois Layton NoriegaEducational dominoes with magnetic connectors
EP0118032A3 (en)*1983-02-031985-11-27Peter HaaseDevice for displaying the numerical build-up and size of masses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US3556529A (en)*1968-08-081971-01-19Lois Layton NoriegaEducational dominoes with magnetic connectors
EP0118032A3 (en)*1983-02-031985-11-27Peter HaaseDevice for displaying the numerical build-up and size of masses

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