GB1221059A - Improvements in or relating to didactic apparatus - Google Patents
Improvements in or relating to didactic apparatusInfo
- Publication number
- GB1221059A GB1221059A GB5724767A GB5724767A GB1221059A GB 1221059 A GB1221059 A GB 1221059A GB 5724767 A GB5724767 A GB 5724767A GB 5724767 A GB5724767 A GB 5724767A GB 1221059 A GB1221059 A GB 1221059A
- Authority
- GB
- United Kingdom
- Prior art keywords
- counters
- backboard
- counting area
- dec
- series
- 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
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
1,221,059. Educational appliance. PHILOGRAPH PUBLICATIONS Ltd. 4 Dec., 1968 [16 Dec., 1967], No. 57247/67. Heading G5G. Apparatus for teaching mathematics comprises coloured counters 14 located and movable on a series of vertical guides 13 mounted on a backboard 10 which backboard comprises an upper counting area 10a and a lower storage part 10b coloured so as to match the colours of the counters, a series of masking cards being provided to fit on the front of the backboard so as to leave exposed only that part of the counting area commensurate with the numerical base being used. A member 17 is formed with a longitudinal recess 18 for receiving and supporting cards 19 bearing numerals which may be employed to indicate the number of counters 14 appearing in the counting area 10a.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5724767A GB1221059A (en) | 1967-12-16 | 1967-12-16 | Improvements in or relating to didactic apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5724767A GB1221059A (en) | 1967-12-16 | 1967-12-16 | Improvements in or relating to didactic apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1221059A true GB1221059A (en) | 1971-02-03 |
Family
ID=10478728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5724767A Expired GB1221059A (en) | 1967-12-16 | 1967-12-16 | Improvements in or relating to didactic apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1221059A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0148732A2 (en) * | 1983-11-25 | 1985-07-17 | Rinaldelli Maria Pia Saitta | Didactic aid for the teaching of any number system |
GB2270789A (en) * | 1992-09-18 | 1994-03-23 | Anthony Donald Birkby | Educational aid. |
WO2010086639A1 (en) * | 2009-01-30 | 2010-08-05 | Educational Technology Limited | A numerical teaching aid |
-
1967
- 1967-12-16 GB GB5724767A patent/GB1221059A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0148732A2 (en) * | 1983-11-25 | 1985-07-17 | Rinaldelli Maria Pia Saitta | Didactic aid for the teaching of any number system |
EP0148732A3 (en) * | 1983-11-25 | 1985-11-27 | Rinaldelli Maria Pia Saitta | Didactic aid for the teaching of any number system |
GB2270789A (en) * | 1992-09-18 | 1994-03-23 | Anthony Donald Birkby | Educational aid. |
GB2270789B (en) * | 1992-09-18 | 1996-02-07 | Anthony Donald Birkby | Educational aid |
WO2010086639A1 (en) * | 2009-01-30 | 2010-08-05 | Educational Technology Limited | A numerical teaching aid |
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