TY - GEN TI - Early algebra, investigating linear functions, series 5 of 7, ladder problem, Clip 5 of 7: Ariel revisits his solution for the 120 step ladder DO - https://doi.org/doi:10.7282/T31Z434M AU - Francisco, John AU - Baldev, Prashant V. AU - Hahkioniemi, Markus PY - > 2005-12-15 KW - Algebra KW - Problem solving KW - Reasoning and proof KW - Communication KW - Connections KW - Representation KW - 6-8 KW - Mathematics education KW - Critical thinking in children--New Jersey--Case studies KW - Learning, Psychology of--Case studies KW - Manipulatives (Education)--Case studies KW - Work view KW - Student view KW - Algebra KW - Ladder problem KW - Cuisenaire rods KW - Color markers KW - Informal learning KW - Direct reasoning KW - Considering a simpler problem KW - Recursive reasoning KW - Physical models KW - Mathematical expressions KW - Male KW - Mixed KW - Public school KW - Sample of human subjects KW - 7 KW - Proportional reasoning ER -