Untaught Mental Calculation Methods Used by 11-Year-Olds: Some Evidence from the Assessment of Performance Unit Survey in 1987

✍ Scribed by Derek Foxman and Meindert Beishuizen

• Book ID: 121201562
• Year: 1999
• Weight: 820 KB
• Volume: 28
• Category: Article
• ISSN: 0305-7259
• DOI: 10.2307/30215423