Helping Students Understand Subtraction
| Autor: | Anita Page |
|---|---|
| Rok vydání: | 1994 |
| Předmět: | |
| Zdroj: | Teaching Children Mathematics. 1:140-143 |
| ISSN: | 2327-0780 1073-5836 |
| DOI: | 10.5951/tcm.1.3.0140 |
| Popis: | A friend, who e adult mathematical skills enable him to balance his checkbook and decide which brand of coffee is a better buy, still remembers the trauma of first grade. “There I was, happily adding away,” he says. “Then one day they hit me with subtraction.” |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|