AT14409B - Arithmetic teaching aids. - Google Patents
Arithmetic teaching aids.Info
- Publication number
- AT14409B AT14409B AT14409DA AT14409B AT 14409 B AT14409 B AT 14409B AT 14409D A AT14409D A AT 14409DA AT 14409 B AT14409 B AT 14409B
- Authority
- AT
- Austria
- Prior art keywords
- teaching aids
- arithmetic teaching
- fan
- sheet
- arithmetic
- Prior art date
Links
Landscapes
- Discharge By Other Means (AREA)
Description
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Österreichische PATENTSCHRIFT ? 14409.
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sprechend ausgestattet wird, kann jedoch auch in Form eines in Felder eingeteilten Blasttes hergestellt werden. In Fig. 1 ist eine Vorrichtung dargestellt, welche für den Rechenunterricht bestimmt ist und als Hilfsmittel beim Multiplizieren und Dividieren zu dienen hat. Zu diesem Zwecke wird für jede Zahl von 2 bis 9 und für den ersten Zehner ein eigener
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ein Vielfaches von #5" gesucht werden, so zählt man die entsprechende Anzahl der Fächer- blättt-r vom ersten an weiter und tindet am Hände des zutreffenden Blattes das Resultat mit grösseren ZXiffern angeschrieben.
Soll mit der Vorrichtung dividiert werden, so sucht man den Dividend auf den Fächerb) ättern anf, zahlt die von dem betreffenden Blatt an übrigbleibenden Fächerblätter bis zum ersten ab und erhält so den Divisor und die am ersten Blatt stehende äusserste Zahl als Quetient, während man durch Abzählen auf dem
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
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Austrian PATENT LETTERING? 14409.
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is equipped to speak, but can also be produced in the form of a blast divided into fields. In Fig. 1 a device is shown which is intended for arithmetic lessons and has to serve as an aid in multiplying and dividing. For this purpose, each number from 2 to 9 and for the first ten has its own
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If you are looking for a multiple of # 5 ", you count the corresponding number of fan sheets from the first and find the result written in larger numbers on the hand of the sheet in question.
If the device is to be used to divide, one looks for the dividend on the fan pages, pays the remaining fan pages from the relevant page up to the first and thus receives the divisor and the outermost number on the first page as a quetient, while one by counting on the
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** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT14409T | 1902-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT14409B true AT14409B (en) | 1903-12-10 |
Family
ID=3513935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT14409D AT14409B (en) | 1902-03-17 | 1902-03-17 | Arithmetic teaching aids. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT14409B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD357280S (en) | 1993-08-04 | 1995-04-11 | Jurgen Bechler | Set of instructional golfing cards and case therefor |
-
1902
- 1902-03-17 AT AT14409D patent/AT14409B/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD357280S (en) | 1993-08-04 | 1995-04-11 | Jurgen Bechler | Set of instructional golfing cards and case therefor |
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