Research Reporting Sections, National Council of Teachers of Mathematics 50th Annual Meeting, Chicago, Illinois, April 16-19, 1972.

This is a collection of 20 abstracts of research papers presented at the 50th annual meeting of the National Council of Teachers of Mathematics. Four papers were presented at each of five research reporting sections: (1) mathematics instruction and instructional materials, (2) aspects of mathematics learning, (3) general research topics in mathematics education, (4) mathematics achievement and its correlates, and (5) teacher education and evaluation. Topics covered include the teaching of division, CAI, feedback, solving open sentences, learning strategies, studying mathematics texts, negations and problem solving, low achievers, addition and subtraction, remedial mathematics in the junior college, inquiry-centered teaching, mastery learning at the elementary level, mathematics teachers' learning strategies, teacher education, videotapes and audiotapes in questioning, and evaluation of elementary school teachers. (JM)