TY  - GEN 
AU  - Molina González, Marta
AU  - Ambrose, Rebecca
PY  - 2008
SN  - 0272-8893
UR  - http://hdl.handle.net/10481/4721
AB  - We describe a teaching experiment about third grade students´ understanding of the equal sign and their initial forays into analyzing expressions.  We used true/false and open number sentences in forms unfamiliar to the students to cause students to...
LA  - en
PB  - Research Council on Mathematics Learning
KW  - Algebraic thinking
KW  - Analyzing expressions
KW  - Arithmetic equations
KW  - Early-Algebra
KW  - Equal sign
KW  - Number sentences
KW  - Relational thinking
TI  - From an operational to a relational conception of the equal sign. Thirds graders’ developing algebraic thinking.
ER  -