The materials and ideas in this document are intended to be used by teachers in schools in order to bring adults and children together to experience good mathematics. It features an evening of hands-on mathematics scheduled for one night a week for four weeks. Students and adults come together to share mathematics activities, solve problems, and have fun with mathematics. The activities are intended for intermediate level students. Sessions include measurement and geometry, number concepts and problem solving, estimation and calculators, and data collections and probability. Descriptions of each session and a list of materials are presented. The description of each session includes directions for preparations to be done prior to the event, guidelines on how to present each activity, and solutions to some of the explorations. Hard copies of all worksheets, overhead transparency masters, and graphics mats are included. (ASK)