By Linda Dacey, Mary Cavanagh, Carol R. Findell, Carole E. Greenes, Linda Jensen Sheffield, and Marian Small
This book introduces young children to the basic ideas of comparing and ordering lengths, weights, time, and capacities. Engaging hands-on activities develop these ideas, along with the concept of units of measure and the use of measurement tools. The investigations follow children's natural progression from using many copies of a unit to iterating the unit to using a tool that iterates the unit. The supplemental CD-ROM features interactive electronic activities, master copies of activity pages for students, and additional readings for teachers.