http://mathforum.org/yeargame/2010/

We are now accepting solutions to the 2010 Mathematic Game! Use the form on this site to submit your expressions for each of the counting numbers 1 through 100, using the digits in the year 2010, standard operations, and grouping symbols. You may use the digits in any order, but the order 2, 0, 1, 0 is preferred. This year we will also allow the use of decimal points and double-digit numbers. This puzzle is appropriate for students in grades 3-12 with a general knowledge of mathematics.

http://mathforum.org/pd/

The Math Forum has scheduled several six-week asynchronous courses to start in the first months of the year. Past participants describe the courses as highly effective and very worthwhile.

You can see their feedback, access the syllabi for each course, and read further details through the link above. Course dates are as follows:

January 14 - February 24

• PoW Class Membership: Resources & Strategies for Effective Implementation **
• Problem Solving Strategies
• Resources & Strategies for Effective Math in Context (MiC) Implementation (6th, 7th, or 8th grade focus)

January 20 - March 2

• Moving Students from Arithmetic to Algebra...one step at a time

February 11 - March 242

• Problem Solving in Geometry and Measurement, Course 1

February 18 - March 312

• Differentiated Math Instruction: Using Rich Problems to Reach All Learners

March 18 - April 282

• Teaching Math with the Problems of the Week **

All courses cost $149. The courses designated with ** also require a Problems of the Week Class Membership to enable student use. 1.5 CEUs are included in the course price.

If you would like to learn more about these course and sign up, please contact Lori Wall at 1-800-756-7823, option 1, or mathforum@optonline.net.

http://www.keypress.com/sll

Sketchpad LessonLink is a library of activities and demonstrations for grades 3-12, aligned to textbooks, state standards, and content strands, featuring The Geometer's Sketchpad(R) software. It offers 501 activities for version 4 of the software, with 49 currently available for the version 5 and more on the way.

LessonLink features:

• sketches
• teaching notes
• student worksheets
• tip sheets and how-to videos for Sketchpad

To see an introductory video, sign up for a free trial, or register for LessonLink as an individual or with a school or district, visit the link above.

For more sample activities, and related Sketchpad tips, see this section of the Sketchpad Learning Center:

http://learningcenter.dynamicgeometry.com/x20.xml

http://school.discoveryeducation.com/lessonplans/math.html

Discovery Education offers these free math lessons plans for elementary, middle school, and high school grade levels, aligned to national content standards.