This issue of the journal contains abstracts and critical comments for 10 published reports on research in mathematics education. The reports concern children's school mobility and achievement, preservice teachers' sources of decisions, spatial visualization in boys and girls, rote versus conceptual emphases in teaching probability, using drawings in conditional reasoning programs, international study achievement results for grade 12, shifts in reasoning, sentence-solving strategies, effects of whole class, ability grouped, and individualized instruction, and teaching basic fact strategies for addition and subtraction. Research references from the "Current Index to Journals in Education" (CIJE) and "Resources in Education" (RIE) for October through December 1985 are also listed. (MNS)