In Minilessons for Operations with Fractions, Decimals, and Percents clips of teachers conducting effective minilessons in real classrooms show you how these short, focused sessions can build big mathematical thinking in young learners.System Requirements for CD-ROM

Windows/PC

Pentium II Processor

266MHz (or higher)

Windows 98 (or higher)

64 MB RAM (more recommended)

SVGA Color Display (or better)

4x CD-ROM Drive (or faster)

Sound Card

16-bit Flash(tm) Player and Acrobat Reader

Quicktime 6.0 (or higher)

MacIntosh

PowerPC Processor

G3/233MHz (or higher)

System 9.2 or 10.2 (or higher)

64 MB RAM (more recommended)

SVGA Color Display (or better)

4x CD-ROM Drive (or faster)

Sound Card

16-bit Flash(tm) Player and Acrobat Reader

Quicktime 6.0 (or higher)

Clips of teachers conducting effective minilessons in real classrooms show you how these short, focused sessions can build big mathematical thinking in young learners.

MAARTEN DOLK is a researcher and developer of mathematics education at the Freudenthal Institute in the Netherlands, where he has been involved in the development of professional materials for teachers and for student teachers. He also has directed an inservice project in the Netherlands for teacher educators and staff developers. His work in the United States is related to the inservice of primary school teachers. He is the coauthor of the Young Mathematicians at Work series.CATHERINE TWOMEY FOSNOT is Professor of Education at The City College of the City of New York and Director of Mathematics in the City. She twice has won the "best writing" award from AERA's Constructivist SIG and she was the recipient of the "young scholar" award by Educational Communication and Technology Journal . She is an author of several books on mathematics education, most recently, the Young Mathematicians at Work series.