Links for Teachers

Digital Content
PBS Learning Media PBS Learning Media provides access to thousands of high quality digital resources, including videos, interactives, and lesson plans. They can be searched by grade and subject or by standards alignment.
NCTM NCTM (National Council of Teachers of Mathematics) provides resources to improve the teaching and learning of math. Find lesson plans and interactive activities by grade level or Common Core State Standard.
Khan Academy Khan Academy provides personalized learning experiences for students. Students can use it to strengthen skills, fill in gaps, or race ahead. Coach access is available so you can track progress.
Resources for Math Education
CLN Math History Theme Page, from the Community Learning Network (CLN) in Canada.  This page contains information and links to topics in math history, including lesson plans.
Teacher2Teacher Teacher2Teacher from The Math Forum.  You may ask questions about teaching math at any level, or search the archive. They also sponsor Ask Dr. Math, where math questions are answered.
Sites about Graphing
SERC How do students use graphing skills when they get to college? This set of resources from Carleton College demonstrates the graphing skills students need in the geosciences, and provides exercises to teach these skills to students. SERC also provides lessons and teaching strategies for K-12 teachers.
Teach Engineering Access activities and lessons designed to teach graphing skills at Teach Engineering. The site is a free digital library of standards-based K-12 engineering activities and lessons.
MEPP Algebra, Graphing, and Statistics learning units for middle school and Probability and Patterns learning units for elementary school, from the Mathematics Education Partnership Program (MEPP) of the NSA.  For each unit, the relationship to NCTM standards is discussed.  You'll find links to more learning units, K-12, in many math subjects.