Discusses the problem of seizing cocaine-tainted money. Describes an experiment designed to determine what percentage of paper currency is contaminated with cocaine. Considers sampling, the analysis method, contamination, levels of cocaine in money and criminal activity, and the reliability of results. (SAH)

This book is written to answer commonly asked homework questions of fourth, fifth, and sixth graders. Included are facts, charts, definitions, explanations, examples, and illustrations. Topics include ancient number systems; decimal system; math symbols; addition; subtraction; multiplication; division; fractions; estimation; averages; properties;…

This booklet describes information for teachers based on the findings of the third Assessment of Achievement Programme (AAP), a major research program funded by the Scottish Office Education Department. The AAP contained written tasks used with (n=7,648) pupils at three levels: primary 4 (P4), primary 7 (P7), and secondary 2 (S2). This booklet is…