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DE824315C - school board - Google Patents

school board

Info

Publication number
DE824315C
DE824315C DEK5601A DEK0005601A DE824315C DE 824315 C DE824315 C DE 824315C DE K5601 A DEK5601 A DE K5601A DE K0005601 A DEK0005601 A DE K0005601A DE 824315 C DE824315 C DE 824315C
Authority
DE
Germany
Prior art keywords
school board
arithmetic
school
lines
decadic
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
DEK5601A
Other languages
German (de)
Inventor
Georg Keller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 filed by Individual filed Critical Individual
Priority to DEK5601A priority Critical patent/DE824315C/en
Application granted granted Critical
Publication of DE824315C publication Critical patent/DE824315C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/02—Slates

Landscapes

  • Drawing Aids And Blackboards (AREA)

Description

Die Rechenseite der im Gebrauch befindlichen Grundschultafeln ist entweder ungegliedert liniert oder linienfrei.The right side of the primary school boards in use is either unorganized, lined or free of lines.

Die Grundschultafel nach der Erfindung ist dadurch gekennzeichnet, daB auf einem Teil der im übrigen linienfreien oder auch linierten Rechenseite eine dekadisch gegliederte Liniatur angebracht ist, an der die Kinder anschaulich die verschiedenen Rechenoperationen der Grundschule durch Abdecken mit einem Deckblatt 'sowie durch Markierungen oder Bezifferungen mit Griffel oder Farbstift vornehmen können. Der Vorteil gegenüber der gebräuchlichen Grundschultafel besteht darin, daB die Rechenliniatur als Rechenanschauungsmittel wie eine Rechenmaschine benutzt werden kann. Der Vorteil gegenüber den gebräuchlichen Rechenanschauungsblättern aus Papier oder Pappe besteht darin, daß auf der Grundschultafel mit dekadisch gegliederter Rechenliniatur auswischbare Markierungen und Bezifferungen möglich sind, was bei den Rechenblättern nicht der Fall ist.The primary school blackboard according to the invention is characterized in that that on a part of the otherwise line-free or lined calculation side one Decadic lines are attached to which the children can clearly see the various arithmetic operations of the elementary school by covering with a cover sheet 'as well as by marking or numbering with a stylus or colored pencil can. The advantage over the common elementary school blackboard is that that the arithmetic line is used as a means of arithmetic like a calculating machine can be. The advantage over the usual arithmetic sheets made of paper or cardboard is that on the elementary school blackboard with decadic structure Arithmetic rulers erasable markings and figures are possible what at is not the case with the spreadsheets.

Das in der Zeichnung verkleinert abgebildete Modell enthält zwei Hunderter, bestehend aus zwanzig mal zehn quadratischen Feldchen auf einer im übrigen Teil unlinierten Rechenseite. Es sind natürlich auch Tafeln mit nur einem Hunderter möglich, oder Tafeln, die neben der dekadisch gegliederten Liniatur eine andersfarbige oder farblose Linierung haben. Mit Linierung ist vor allem Karierung gemeint.The model shown on a reduced scale in the drawing contains two hundred, consisting of twenty by ten square fields on one in the remaining part unlined right side. Of course, tables with just a hundred are also possible, or panels that have a different colored or have colorless lines. With ruling is meant primarily checkered.

Claims (1)

P A T C N T A N S P R U C I I Schultafel, dadurch gekennzeichnet, daß sie zur Veranschaulichung von Rechenvorgängen dekadisch gegliedert ist. PATCNTANSPR U CI I blackboard, characterized in that it is structured in decadic form to illustrate arithmetic processes.
DEK5601A 1950-07-20 1950-07-20 school board Expired DE824315C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK5601A DE824315C (en) 1950-07-20 1950-07-20 school board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK5601A DE824315C (en) 1950-07-20 1950-07-20 school board

Publications (1)

Publication Number Publication Date
DE824315C true DE824315C (en) 1951-12-10

Family

ID=7210904

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK5601A Expired DE824315C (en) 1950-07-20 1950-07-20 school board

Country Status (1)

Country Link
DE (1) DE824315C (en)

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