The purposes of this study were to determine the current practices, as reported by the sponsors, of the senior high school student councils in the state of Texas and to compare these practices with those recommended by national student council specialists. A subsidiary purpose was to give direction for future district and state workshops.

The problem of the study was to examine the effectiveness of using supplementary materials in the teaching of eighth grade mathematics. The study considered the effect that supplementary materials had on students in terms of the following variables--attitude toward mathematics, mathematical concepts, problem solving ability, understanding common fractions, computation of common fractions, decimal fractions and per cent, concepts of numbers and numerals (number system and operations), and concepts of numbers and numerals (decimal place value).