Math :
Math, Science, & Technology Trying to create a meaningful math or science experience? Need a more effective teaching strategy? Join us to share ideas and strategies for making math and science instruction effective and meaningful for students. Classroom technology questions are also welcome! source
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Area and perimeter  These are activities to help teach the concept of area and perimeter. source
Geometry Activities  This is a collection of geometry activities that incorporate literature or hands on projects. source
geometry  We did lots of examples where the kids got to use markers, crayons, etc. to draw what I named. Ex. Use a purple marker to draw one horizontal line. Now use green to draw another line that is parallel to the first. Making it "fun" with color and action seemed to help. Also, I teach the hint that...source
Geometry Art  I had my 4th graders do art projects with the different angles and lines. I was really impressed how my "low" kids quickly jumped way ahead of their peers with the vocabulary. After one day of looking around the room and identifying various angles (each day we added another angle or two), I had them create...source
Lines and Angles  Use twizzlers licorice sticks to teach parallel and perpendicular lines. You can also use them to teach angles. Give some to the kids so they can form their own. Another idea which might be a little messy is...source
A Fractals Unit for Elementary and Middle School Students  An instructional units about the geometry of fractals. Pictures, information, and handouts are provided source
Angles  A clear introduction to the basic terminology of angles and a practice exercise using a compass source
Angles  Students practice using a protrcator to measure angles on this printable worksheet source
Circles Worksheet  A printable worksheet about circles. Questions include radius, diameter, and circumference source
Congruency  A worksheet that directs students to use a grid to draw congruent shapes source
Design and Math  Three lesson plans use real world examples to teach geometric concepts about angles, symmetry, and the quadratic formula source
Film Canister Kaleidescope  A lesson plan for teaching about geometric symmetry by creating a kaleidescope from recycled materials source
Geometric Coloring Sheet  A reproducible full of repeated, symmetrical patterns of triangles and squares source
Lines, Rays, and Angles  A printable geometry worksheet that asks students to identify pictures of lines, rays, and angles source
Numbered Pairs  A reproducible using a grid to identify numbered pairs in shapes source
On Reflection  A lesson idea with examples for using secret code messages to teach about reflection symmetry source
Pi Day Songs  Familiar tunes with math related lyrics to help you celebrate PI day (3/14) source
Pi Necklace  Directions for making a necklace to help celebrate Pi Day (3/14) source
Shapes, Lines, Angles, and Quilts  A lesson idea with directions and web links for teaching about the geometry of quiltmaking source
Tessellation Tutorials  Introduction your students to the concepts of tessellation and symmetry. Includes activity ideas using pattern blocks and/or computers source
The Pythagorean Puzzle  A lesson plan with reproducibles that guides students to prove the Pythagorean Theorum source
Which Pattern Block Picture is Mine?  A one week unit that integrates geometry and botony. Students create botanical pattern block designs source
The ProTeacher Collection  Tens of thousands of teaching ideas and advice from experienced teachers across the United States and around the world. A FREE service brought to you by members of the ProTeacher Community.
ProTeacher Community  Visit our growing community of elementary and middle school teachers! Get involved today! Dozens of active boards, blogs and chat; hundreds of active discussions, and tens of thousands of teaching ideas. Newcomers always welcome! source
