TY - GEN TI - Early algebra, investigating linear functions, series 7 of 7, Ariel's 8th grade interview, Clip 2 of 5: Ariel solving the Ladder problem DO - https://doi.org/doi:10.7282/T3MG7MGW AU - Arias, Cecilia PY - 2007-05-17 KW - Sample of human subjects KW - Mathematics education KW - Learning, Psychology of--Case studies KW - Critical thinking in children--New Jersey--Case studies KW - 6-8 KW - Algebra KW - Problem solving KW - Reasoning and proof KW - Communication KW - Connections KW - Representation KW - 8 KW - Algebra KW - Informal learning KW - Public school KW - Male KW - Hispanic KW - Student view KW - Manipulatives (Education)--Case studies KW - Ladder problem KW - Cuisenaire rods KW - Color markers KW - Direct reasoning KW - Considering a simpler problem KW - Recursive reasoning KW - Generalizing KW - Physical models KW - Mathematical expressions KW - Linear equations KW - Y-intercept KW - First differences ER -