FOCAL POINTS—Grades 5 and 6
| Autor: | Beckmann, Sybilla, Fuson, Karen C. |
|---|---|
| Zdroj: | Teaching Children Mathematics, 2008 May 01. 14(9), 508-517. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|
| Autor: | Beckmann, Sybilla, Fuson, Karen C. |
|---|---|
| Zdroj: | Teaching Children Mathematics, 2008 May 01. 14(9), 508-517. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|