**1992**

June 15, 1992

**Geometry Forum**

The Forum's first incarnation on the Internet.

June, 1992

**Discussion Groups**

http://mathforum.org/kb/

The Forum's discussion groups -- now available via the Web -- start as usenet newsgroups and mailing lists. To this day, these mathematics and math education conversations remain one of the Forum's most active areas.

**1993**

December, 1993

**Geometry Problem of the Week**

http://mathforum.org/geopow/

Our first mentored problem of the week encourages students to clearly express their mathematical thinking. Over the next six years, seven new Problems of the Week launch for new audiences: the ElemPoW (Elementary School), MidPoW (Middle School), AlgPoW (Algebra), CalcPoW (Trigonometry and Calculus), DMPoW (Discrete Math), Math Fundamentals PoW, and Pre-Algebra PoW.

**1994**

Summer, 1994

**Internet Mathematics Library**

http://mathforum.org/library/

The Forum's Internet Mathematics Library begins to grow from a list of bookmarks into its current dynamic database of math-related web sites that *The Philadelphia Inquirer* calls "more powerful than Yahoo!"

July, 1994

**Geometry and the Internet Workshop**

http://mathforum.org/sum94/sum94.html

The second of our annual summer institutes for teachers (the first one after the advent of the Mosaic World Wide Web browser).

Fall, 1994

**Ask Dr. Math**

http://mathforum.org/dr.math/

Our highly touted ask-an-expert service for math questions. Trained volunteer "doctors" begin responding to students, eventually earning back-to-back Awards for Exemplary Ask-A Service by the Virtual Reference Desk (VRD).

**1995**

Summer, 1995

**Web Units and Lessons**

http://mathforum.org/te/web.units.old.html

Resources and materials built on collaborations between Forum staff and users.

**1996**

February, 1996

**The Math Forum**

http://mathforum.org/

The Geometry Forum broadens into the Math Forum with a new NSF grant.

October, 1996

**Math Forum Internet Newsletter**

http://mathforum.org/electronic.newsletter/

The electronic newsletter highlights the best of mathematics and math education on the Web. It's sent out weekly to more than 3200 subscribers.

**1997**

January, 1997

**1997 Puzzle**

http://mathforum.org/ruth/1997.puzzle.html

Students are challenged to use the digits in 1997 and any operations to write expressions equal to the numbers from 0 to 100. This is one of several activities featured on the Forum's Math Puzzles page.

July, 1997

**Math Forum's Urban Systemic Initiative Workshops**

http://mathforum.org/workshops/usi/

The Math Forum holds workshops for teachers in Philadelphia and San Diego as part of the Urban System Initiative projects. These workshops result in two lesson units, Pascal's Triangle and Exploring Data.

August, 1997

**Symmetry and Pattern: The Art of Oriental Carpets**

http://mathforum.org/geometry/rugs/

This online exhibit uses symmetry to analyze patterns in Oriental carpets. A joint project of The Textile Museum and The Math Forum.

September, 1997

**Teachers' Place**

http://mathforum.org/teachers/

Resources for teachers are organized for classroom and career use. Specific sections by level from pre-kindergarden through graduate school include pages of lessons, activities, professional organizations, publications, and more.

**1998**

March, 1998

**Teacher2Teacher**

http://mathforum.org/t2t/

A sister service of Ask Dr. Math, Teacher2Teacher addresses questions from teachers and parents about math teaching and math learning. T2T Associates include Presidential Awardeees in mathematics.

September, 1998

**Class2Class**

http://mathforum.org/class2class/

A clearinghouse to facilitate student and class participation in Internet projects, including collaborative projects, data-collecting experiments, peer tutoring, and keypal exchanges.

**1999**

June, 1999

**Union City Workshops**

http://mathforum.org/workshops/unioncity/

Forum staff work with teachers and students from New Jersey's Union City Schools to develop a four week summer program for students entering grades 6 through 9.

September, 1999

**ESCOT Problem of the Week**

http://mathforum.org/escotpow/

As a partner of the Educational Software Components of Tomorrow (ESCOT) project, the Forum coordinates teachers, software developers, and curriculum disseminators to create Java applet simulations and visualizations.

**2000**

January, 2000

**Workshop Series - Rutgers/Lucent**

http://mathforum.org/~shelly/Lucent/

In conjunction with a Rutgers/Lucent Allies in Teaching Mathematics and Technology grant, Forum staff provide professional development workshops and a customized Problem of the Week.

April, 2000

**WebCT**

WebCT acquires the Math Forum. The mathematics community built by the Math Forum serves as the model that WebCT uses to develop their Communities Resources area.

April, 2000

**Math Awareness Month**

http://www.mathaware.org/

"Math Spans All Dimensions" is the theme of the millennial Math Awareness Month, an event hosted by the Math Forum since 1996 and coordinated by the Joint Policy Board for Mathematics, which includes the American Mathematical Society, the Mathematical Association of America, and the Society for Industrial and Applied Mathematics.

August, 2000

**BRAP**

http://mathforum.org/brap/

Middle school and high school math teachers from around the country reflect on research literature and their own classroom practices to negotiate pedagogical questions such as "How do I know I'm right?" Forum staff facilitate participants' conversations, writing, and the exchange and analysis of videotapes of their classrooms, which culminated in the videopaper "Encouraging Mathematical Thinking: Discourse Around a Rich Problem."

**2001**

January, 2001

**MathDL**

http://www.mathdl.org/

With funding from the National Science Foundation, the Forum hosts the Mathematical Sciences Digital Library, an online resource managed by the Mathematical Association of America.

January, 2001

**JOMA**

http://www.joma.org/

The Journal of Online Mathematics and its Applications (JOMA) is the journal of the Mathematical Sciences Digital Library (MathDL).

April, 2001

**Library of Problems of the Week**

http://mathforum.org/library/problems/

The Math Forum's Library of Problems of the Week organizes the archives of the six services for browsing by mathematics and story topic, rates problems for difficulty level, and provides for searching by keyword.

April 4, 2001

**Problems of the Week Book, Volume I**

http://mathforum.org/powbook.html

The Math Forum unveils its first publication at NCTM's Annual Meeting in Orlando, Florida. Drawn from the 1999-2000 school year, the Problems of the Week, Volume 1 book has a section for each of the six Problems of the Week: Elementary, Middle School, Algebra, Geometry, Trig/Calculus, and Discrete Math.

June 21, 2001

**Drexel University**

http://mathforum.org/announce/drexelacquisition.html

The Math Forum becomes part of Drexel University.

**2002**

January 1, 2002

**Teacher Exchange**

http://mathforum.org/te/

The re-organized Web Units and Lessons area makes it easier for teachers to find and contribute lessons.

March, 2002

**Workshop Series - Radnor, Pennsylvania**

http://mathforum.org/workshops/radnor/

Radnor High School and Middle School mathematics departments are working with the Math Forum staff to improve the use of technology to support mathematics learning.

March, 2002

**DrexelPoW**

http://mathforum.org/announce/drexelpow.html

Prospective Drexel students begin solving a customized Problem of the Week.

March, 2002

**CMSPoW**

http://mathforum.org/~shelly/elizabeth/

The Cleveland Middle School Problem of the Week launches, a joint project of the Math Forum and the New Jersey Center of the Coalition of Essential Schools.

May, 2002

**Improved Dr. Math Archives**

http://mathforum.org/dr.math/

The Math Forum reorganizes over 7800 Ask Dr. Math questions/answers to make them easier to browse and search.

June, 2002

**2002 Sci/Tech Web Award**

http://mathforum.org/forum.awards.html

ScientificAmerican.com selects the Math Forum Web site as a winner of the 2002 Sci/Tech Web Awards. Their editors reviewed hundreds of Web sites and selected the Math Forum as one of five to list in the mathematics category.

**2003**

March, 2003

**Math Tools**

http://mathforum.org/mathtools/

The Math Forum launches the Math Tools digital library, an educational center for math software. With funding from the National Science Foundation and in collaboration with SRI, Key Curriculum Press, Texas Instruments, The Shodor Foundation, and Utah State University's National Library of Virtual Manipulatives, Math Tools provides software reviews and teacher support for handheld devices, small interactive web-based tools such as applets, and other computer platforms.

July, 2003

**Virtual Math Teams**

http://mathforum.org/vmt/

The Virtual Math Teams (VMT) Project @ the Math Forum lets students work together and enjoy doing math online. As an educational research project, VMT also investigates how to make collaborative math problem solving a fun learning experience for all students.

August, 2003

**Dr. Math Books**

http://mathforum.org/pubs/dr.mathbooks.html

John Wiley & Sons publishes *Dr. Math Gets You Ready for Algebra*, which includes dozens of letters from kids who've had trouble understanding the basic math concepts used in algebra, along with answers from math doctors.

October, 2003

**Top 101 Most Incredibly Useful Web sites**

http://mathforum.org/forum.awards.html

PC Magazine names the Math Forum to its list of Top 101 Most Incredibly Useful Web sites in the category of Information.

November, 2003

**Dr. Math Books**

http://mathforum.org/pubs/dr.mathbooks.html

John Wiley & Sons publishes *Dr. Math Explains Algebra*, which includes dozens of letters from kids who've had trouble understanding the math concepts used in algebra, along with answers from math doctors.

**2004**

July, 2004

**Math Tools**

http://mathforum.org/mathtools/

The new version of Math Tools improves browsing, and rolls out a host of customization features: choose specific resources to save to your Math Tools Profile, subscribe to them to receive email when they get updated, and review and rate them by clicking on one or more of the stars.

August, 2004

**Dr. Math Books**

http://mathforum.org/pubs/dr.mathbooks.html

John Wiley & Sons publishes *Dr. Math Introduces Geometry*, which includes dozens of letters from kids who've had trouble understanding the basic math concepts used in geometry, along with answers from math doctors.

August, 2004

**Math Tools Tool Fest**

http://mathforum.org/workshops/toolfest04/

At the Math and Technology Tool Fest, a group of folks get together to create classroom activities, software-related resources, and services for themselves and others.

October, 2004

**Drexel University**

http://mathforum.org/drexel/

The Math Forum begins operating under Drexel's School of Education.

December, 2004

**Dr. Math Books**

http://mathforum.org/pubs/dr.mathbooks.html

John Wiley & Sons publishes *Dr. Math Presents More Geometry*, which includes dozens of letters from kids who've had trouble understanding the math concepts used in geometry, along with answers from math doctors.

**2005**

May, 2005

**One of the Best Web Sites**

The Math Forum receives recognition as one of the best Web sites
for teachers on the Internet today in the books *101 Best Web Sites for Secondary Teachers* and *101 Best Web Sites for Elementary Teachers*, published by the International Society for Technology in Education. Both books also select Math Forum Associate Director Cynthia Lanius' site, Fun Mathematics Lessons.

June, 2005

**Math Tools Virtual Tool Fest**

http://mathforum.org/workshops/toolfest05/

The second Math and Technology Tool Fest reunites the people who started creating classroom activities, software-related resources, and services for themselves and others last summer.

September, 2005

**School District Professional Development**

http://mathforum.org/workshops/workshop2.html

Our professional development offerings now include customized Problem of the Week services for the Temple Partnership schools and also the School District of Philadelphia and work to support the MATRIX grants in Trenton and Camden County.

December, 2005

**Our New Home Page and New Look for Our Newsletter**

http://mathforum.org/

Tuesday, December 20, marks the unveiling our new home page. As we kick off our eleventh year of newsletters, our issues start sporting a new look, too.

**2006**

January, 2006

**NSDL Workshops**

http://mathforum.org/nsdl_mathtech/

The NSDL Math Tools Workshop program helps teachers develop use of new online tools for mathematics; teacher pedagogical content knowledge; and local professional community and leadership in the context of local workshops and online courses.

January, 2006

The Math Forum is now sponsored in part by Texas Instruments.

April, 2006

**Collaboration with The Science of Racing**

http://www.scienceofracing.com/

The Math Forum is working with The Science of Racing program to promote the importance of the sciences through the sport of professional drag racing.

April, 2006

**Jack Kent Cooke Award**

The Jack Kent Cooke Foundation awards the Math Forum at NCTM a grant in its national competition -- one of five winners from among 350 applicants. With the Foundation's $150,000 award, the Math Forum will engage 100 low- to moderate-income 9th and 10th graders in its existing online mathematics community.

October, 2006

**Write Math: PoWs by Standard**

Our standards-aligned, grade-specific program to improve math problem solving, Write Math: PoWs by Standard adapts the engaging problems from the Problems of the Week program and correlates them to state standards and math topics.

**2007**

March, 2007

**Tools for Building Math Concepts: An Online Workshop for Teachers of Grades 3-5**

http://mathforum.org/toolsandconcepts/

The Math Forum at NCTM and Microsoft Corporation will host an online workshop for exploring how technology can help students develop fundamental concepts of multiplication, fractions, division and area through the process of generating data and examining patterns.

**2008**

March, 2008

**Online Professional Development Courses**

New online courses moderated by the Math Forum staff are introduced. Teachers work online with math specialists from the Math Forum to build their own math content knowledge, analyze and scaffold student problem solving, and design instructional strategies.

August, 2008

**Enhanced Problem Packets, Problem Solving and Communication Activity Series**

Problem of the Week members get more out of PoW experience with our new, puzzle-specific support materials. The Enhanced Problem Packets provide an overview of each challenge, teaching suggestions, our solutions, and -- for problems from our Library -- sample student work with suggested interventions. The Problem Solving and Communication Activity Series expand students' problem-solving repertoire with illustrations of activities to do with each PoW, and help teachers anticipate ideas that might come up in their classes.

October, 2008

**TI-PoWs**

TI-Technology Problems of the Week (TI-PoWs) are freely accessible problem-solving challenges modeled on the Math Forum's Problems of the Week that take advantage of the TI-Nspire™.

October, 2008

**The Math Forum joins The New Goodwin College**

The Goodwin College of Professional Studies and the Drexel School of Education merge.

November, 2008

**Primary PoWs**

The Problems of the Week Library expands to include hundreds of PoWs designed just for grades K-2.

**2009**

June, 2009

**Moving to Mathematics**

The Forum starts offering a series of on-line professional development courses, wholly funded by the Pennsylvania Department of Education, that prepares teachers to pass the Mathematics Praxis II.

August, 2009

**The PoWs have had a makeover**

The PoWs become more user-friendly and offer much-improved performance in terms of speed and reliability.

November, 2009

**Enhanced Tools for Financial Literacy**

Through a grant from the FINRA Investor Education Foundation, the Forum begins developing a comprehensive program to support mathematics teachers in integrating financial education concepts in their classrooms.

December, 2009

**You can KenKen at mathforum.org**

The Forum partners with Nextoy^{®} to offer KenKen puzzles in a mentoring environment, along with lesson plans and solutions viewable by teachers.

**2010**

August, 2010

**Orientation Sessions**

Orientation Session help members make the most of Math Tools, Technology Problems of the Week (tPoWs), and Problem of the Week memberships.

**2011**

January, 2011

**Financial Education in the Math Classroom**

Drawing on Math Forum resources and expertise, participants in this workshop engage with problem solving, software, and technology tools as they explore financial education content and teaching strategies.

April, 2011

**NCTM Lifetime Achievement Award**

Gene Klotz, founder of the Math Forum, was honored with the National Council of Teachers of Mathematics (NCTM) Lifetime Achievement Award for Distinguished Service to Mathematics Education.

April, 2011

**Ignite Talks**

Max Ray, Steve Weimar and Annie Fetter spoke at Key Curriculum's Ignite event at the annual meeting of the National Council of Teachers of Mathematics.

April, 2012

**Ignite Talks**

Annie Fetter, Max Ray, and Steve Weimar spoke at Key Curriculum's Ignite event at the annual conference of the National Council of Supervisors of Mathematics.

June 15, 2012

**Happy Birthday, Math Forum!**

The Math (née Geometry) Forum is 20 years old.

August, 2012

**TrigCalcPoW added to Current Problems**

Current Problem of the Week members now have access to six levels of problems and the accompanying resources.

December, 2012

**Ignite Talk**

Suzanne Alejandre spoke at Key Curriculum's Ignite event at the annual meeting of the California Mathematics Council - Northern Section (CMC-North).

September, 2013

*Powerful Problem Solving: Activities for Sense-Making with the Mathematical Practices*

Our newest book written by Max Ray and published by Heinemann is available.

September, 2013

**Book Companion Website**

We launched a companion website for our book *Powerful Problem Solving: Activities for Sense-Making with the Mathematical Practices* including activity videos, index of activities, chapter-by-chapter resources, and more.

November, 2013

**Philadelphia Engineering/Math Challenge**

The mission of the Philadelphia Engineering/Math Challenge (EMC) is to enhance the teaching and learning of problem solving and communication in our city's public schools through a series of school-based collaborative practice sessions and university-based competitive events. Our pilot year included events in November, January, March, and June.

July 24, 2015

**The Math Forum Joins NCTM**

The National Council of Teachers of Mathematics (NCTM) today announced that The Math Forum, an extensive online resource for the mathematics education community with nearly 100,000 subscribers, will become a part of NCTM.

May 18, 2016

**Swarthmore Office**

We moved in to our new office in Swarthmore!