TY - GEN TI - Early algebra ideas involving one variable, Clip 2 of 11: Introducing integers with pebbles in the bag DO - https://doi.org/doi:10.7282/T32J69R3 AU - Davis, Robert B. (Robert Benjamin) AU - Maher, Carolyn Alexander AU - Alston, Alice S. AU - Martino, Amy Marie AU - O'Brien, Marcia Joan AU - Poe, Michael AU - Purdy, Thomas LaMonde PY - > 1999-09-30 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 - 6 KW - Algebra KW - Pebbles in the bag KW - Color markers KW - Direct reasoning KW - Equations KW - Classroom KW - Public school KW - Teacher view KW - Side view KW - Mixed KW - Mixed KW - Physical models KW - Positive and negative integers ER -