How Shall We Teach Column Addition? Some Evidence
Autor: | Wheatley, Grayson H., Wheatley, Charlotte L. |
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Zdroj: | The Arithmetic Teacher, 1978 Jan 01. 25(4), 18-19. |
Databáze: | JSTOR Journals |
Externí odkaz: |
Autor: | Wheatley, Grayson H., Wheatley, Charlotte L. |
---|---|
Zdroj: | The Arithmetic Teacher, 1978 Jan 01. 25(4), 18-19. |
Databáze: | JSTOR Journals |
Externí odkaz: |