CH195988A - Teaching aids for arithmetic lessons. - Google Patents
Teaching aids for arithmetic lessons.Info
- Publication number
- CH195988A CH195988A CH195988DA CH195988A CH 195988 A CH195988 A CH 195988A CH 195988D A CH195988D A CH 195988DA CH 195988 A CH195988 A CH 195988A
- Authority
- CH
- Switzerland
- Prior art keywords
- lessons
- arithmetic
- teaching aids
- teaching
- aids
- Prior art date
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
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
- G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
- G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
- G09B1/24—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time the elements being in flexible strip form, e.g. endless bands
-
- 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
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH195988T | 1938-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH195988A true CH195988A (en) | 1938-02-28 |
Family
ID=4440201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH195988D CH195988A (en) | 1938-07-09 | 1937-07-09 | Teaching aids for arithmetic lessons. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH195988A (en) |
-
1937
- 1937-07-09 CH CH195988D patent/CH195988A/en unknown
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