The aim of this study was to analyze the joint, relative, and unique predictive value of students' prior knowledge of mathematics (knowledge of fractions and ability to divide natural numbers) and general cognitive ability (fluid intelligence and working memory) upon general mathematics achievement in the last year of primary school. Seventy-five…

The present study analyzed the relationship between domain-general abilities and fraction knowledge in fifth grade, and investigated the mediating role of division competence in that relationship. Children (n = 175) were assessed in fourth grade on domain-general abilities (selective attention, working memory, fluid intelligence) and on division…

Describes study designed to investigate the effectiveness of personalizing verbal math problems on division of fractions for fifth and sixth grades using microcomputer-generated lessons. Treatment and control group results are analyzed, and results support the hypothesis that the personalized context group was superior in problem solving and had…