### Volume 6, Number 16

 ``` 16 April 2001 Vol. 6, No. 16 THE MATH FORUM INTERNET NEWS National Library of Virtual Manipulatives for Interactive Mathematics Mrs. Glosser's Math Goodies | Web Feats Summer Workshop NATIONAL LIBRARY OF VIRTUAL MANIPULATIVES FOR INTERACTIVE MATHEMATICS Utah State University Cannon, Dorward, Heal, Edwards, Wellman http://nlvm.usu.edu/en/ These Java applets and other virtual manipulatives cover mathematics appropriate to grades K-12, with a special emphasis on K-8. Browse by grade band or by math topic: - number and operations - algebra - geometry - measurement - data analysis and probability Each activity is linked to the corresponding NCTM Standards it addresses. Forthcoming are investigative questions related to each activity; and a teacher information page for each activity, featuring lesson plans and tips on how to implement the applets in the classroom. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- MRS. GLOSSER'S MATH GOODIES - Gisele Glosser http://www.mathgoodies.com/ Math lessons that work online and offline in a Web browser, and provide immediate feedback to students. Each lesson includes examples and interactive exercises. These math lessons are shareware and may be used online; registered users may save them to their desktop computers. Volumes include: Introduction to Statistics: range, mean, median, and mode http://www.mathgoodies.com/lessons/toc_vol8.shtm Topics in Pre-algebra: order of operations, order of operations with exponents and integers, writing algebraic expressions and equations http://www.mathgoodies.com/lessons/toc_vol7.shtm Probability: certain and impossible events, sample spaces, the complement of an event, mutually exclusive events, addition rules, independent events, dependent events, and conditional probability http://www.mathgoodies.com/lessons/toc_vol6.shtm Integers: absolute value, comparing and ordering integers, adding, subtracting, multiplying, and dividing http://www.mathgoodies.com/lessons/toc_vol5.shtm Understanding Percent: meaning of percent, writing fractions as percents, writing decimals as percents, writing percents as decimals, writing percents as fractions, percents less than 1 and greater than 100 http://www.mathgoodies.com/lessons/toc_vol4.shtm Number Theory: factors, greatest common factor, multiples, least common multiples, prime and composite numbers, divisibility tests, and exponents and their patterns. http://www.mathgoodies.com/lessons/toc_vol3.shtm Circumference & Area of Circles: circumference of a circle and area of a circle http://www.mathgoodies.com/lessons/toc_vol2.shtm Perimeter & Area of Polygons: perimeter of polygons, area of rectangles, area of parallelograms, area of triangles, area of trapezoids http://www.mathgoodies.com/lessons/toc_vol1.shtm In addition, the site offers a math chat board, math puzzles, homework help, puzzles, worksheets, and interactive calculators. Some lessons are available in French: Theorie des nombres Circonference et aire des circles Perimetre et aire des polygones http://www.mathgoodies.com/francais/ -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- A WORKSHOP ON DESIGN OF CLASSROOM LESSONS IN MATHEMATICS FROM WEB-BASED MATERIALS http://mathforum.org/workshops/postcalc/index.html The Post CALC Project at Duke University, the Eisenhower National Clearinghouse (ENC), and the Math Forum are jointly sponsoring a workshop for high school mathematics teachers interested in creating classroom materials from existing and new Web-based components during the week of July 9-13, 2001. The registration deadline is April 15, 2001; acceptances will be sent by May 1. http://mathforum.org/workshops/postcalc/apply.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Ask Dr. Math http://mathforum.org/dr.math/ Problems of the Week http://mathforum.org/pow/ Mathematics Library http://mathforum.org/library/ Teacher2Teacher http://mathforum.org/t2t/ Discussion Groups http://mathforum.org/discussions/ Join the Math Forum http://mathforum.org/join.forum.html Send comments to the Math Forum Internet Newsletter editors _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \ ```