DE164165C - - Google Patents
Info
- Publication number
- DE164165C DE164165C DENDAT164165D DE164165DA DE164165C DE 164165 C DE164165 C DE 164165C DE NDAT164165 D DENDAT164165 D DE NDAT164165D DE 164165D A DE164165D A DE 164165DA DE 164165 C DE164165 C DE 164165C
- Authority
- DE
- Germany
- Prior art keywords
- units
- balls
- counting
- tens
- colored
- 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.)
- Active
Links
- 238000013459 approach Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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)
- Inks, Pencil-Leads, Or Crayons (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE164165C true DE164165C (enrdf_load_html_response) |
Family
ID=429783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT164165D Active DE164165C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE164165C (enrdf_load_html_response) |
-
0
- DE DENDAT164165D patent/DE164165C/de active Active
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