This article suggests using mathematical terms (rationals, integers, naturals) to designate ability groups of students in a class. (MM)

A technique is presented that gives a quick approximation of square roots of whole numbers. (MP)

A method for finding greatest common factor of the numerator and denominator of a fraction is described and then proved. (DT)

Part I reviews the mathematical definition of function, and then presents some practical uses of functions in such areas as substitution in a formula, equation solving, and curve fitting. Part II gives examples of functions that can be used to describe some real life situations. (RP)

An activity which involves spending money using department store catalogues, writing checks and balancing bank accounts as a pre-holiday mathematics lesson is described. (JT)

Problems and issues in mathematics education, including accountability, education of the non-college bound, curriculum reform, teacher education, and individualized instruction, are briefly discussed in this speech made by the president of the National Council of Teachers of Mathematics at the 1973 Annual Meeting. (DT)

Brief reports on the Cambridge Conference on School Mathematics, Comprehensive School Mathematics Program, Computer-Assisted Instruction Projects at Stanford, Individually Prescribed Instruction Project, The Madison Project, Mathematics/Science Learning System, MINNEMAST, and School Mathematics Study Group. (MM)