TY - GEN TI - Word problems with addition and subtraction, Stephanie's group, Clip 7 of 9: Determining solutions for problems 5 and 6 DO - https://doi.org/doi:10.7282/T3R78C4Q AU - Alston, Alice S. AU - Marinaro, Angela PY - 1989-03-21 KW - Sample of human subjects KW - Mathematics education KW - Learning, Psychology of--Case studies KW - Critical thinking in children--New Jersey--Case studies KW - PreK-2 KW - Number and operations KW - Problem solving KW - Reasoning and proof KW - Communication KW - Connections KW - Representation KW - 1 KW - Classroom KW - Public school KW - Mixed KW - White KW - Manipulatives (Education)--Case studies KW - Student view KW - Word problems with addition and subtraction KW - Unifix cubes KW - Colored stones KW - Physical models KW - Arithmetic KW - Direct reasoning KW - Guessing and checking KW - Number sentences ER -