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Free teaching resources, lesson plans, teaching ideas & worksheets for primary and elementary teachers. Many different formats:pdf, doc, flash, ppt, and web pages. Lots of problem solving resources in the math section.

Excellent collections of math links with very organized sets of tags...Everything is easy to find.

A growing library of mathcasts. Mathcasts are recorded movies created with a smart board with audio narration. Students can see and hear how a given problem is solved. Resources available for Grades 1-12.

A premier source of classroom tested, Internet-based economic lesson materials for K-12 teachers and their students. Lots of resources to tie into the curriculum.

With Scholastic's Global Classport, you can communicate with classrooms in 182 countries, and collaborate with teachers around the world. Note: Remember that your username must include "_scholastic" . Use to connect with other classrooms to solve Math Maven's Mysteries

This content resource is an index of links to interactive sites, challenging students to solve mysteries using a variety of math principles. Students read the stories, solve the problems, and answer the questions, using clues embedded in the stories to discover the solution. Included are links to a variety of teacher resources.http://teacher.scholastic.com/maven/tguide.htm

Number relationships and patterns using a calculator and hundreds board. Lesson materials and interactive tools available through the links.

An investigation involving fractions and decimals. Teacher instruction required first.

Make numbers to 999 by clicking on the cards. Whole class tool.

Demonstrator for the equivalence of decimals, percentages and fractions. Great for whole class.

A demonstrator for the use of number lines.Includes a game for adding two 2-digit numbers together by adding the tens first. Answer 5 questions correctly and you can play the flying game. Good for mental Math. Teacher directions needed.

Complete these addition facts by first making 10 then adding the difference. Students will need instruction to understand the game. Good for mental arithmetic

Great number sequence game for whole class instruction. Allows for a variety of patterns that are teacher selected.

Learn to add and subtract multiples and near-multiples of 10 in your head using a graded set of activities on a 10x10 number grid with helpful popups along the way.

Flexible whole class tool for adding/subrtracting. Helps students see patterns. Teachers should explore the home page to evalate for future purchase.

You must follow the rules to get through the maze. Choose easy, medium, hard. Improve your mental math addition and subtraction problem-solving with this game! Demonstrate with projector for whole class in lower grades.

Subtraction problems to 20. Fill in circles in middle with differences, Look for patterns. Teacher instruction initially. Click Instructions.

This virtual manipulative displays a grid containing numbers from 1 to 200. You can use it to explore patterns and relationships involving multiples. Great for whole class.Click Instructions.

The Math Center: math-related resources that include Professional Development, Intervention, Data Place, Brain Teasers, textbook support, math links, and projects.

Curriculum materials for K-12 math

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