TY - GEN TI - Early algebra ideas involving two variables, Clip 9 of 18: Problem 6 is different? DO - https://doi.org/doi:10.7282/T3DB80R5 AU - Davis, Robert B. (Robert Benjamin) AU - Maher, Carolyn Alexander AU - Alston, Alice S. AU - Martino, Amy Marie PY - > 1993-10-01 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 - Open sentence in two variables KW - Color markers KW - Direct reasoning KW - Recognizing a pattern KW - Classroom KW - Public school KW - Classroom view KW - Side view KW - Student view KW - Mixed KW - Mixed KW - Box and triangle notations for variables KW - Truth sets KW - Guessing and checking KW - Generalizing KW - Function tables KW - Finite differences KW - Linear equations KW - Quadratic equations KW - Constant KW - Y-intercept KW - Open sentence in one variable KW - Worksheet with problem statements KW - Equations ER -