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Get flash to fully experience Pearltrees
http://editpattern.com/

Edit and Create Pattern

You can choose to display repeated background on a webpage with ( Html & Css code button ) by example or display background on your computer desktop : See code to display this effect on a webpage

Interactivate: Tessellate!

http://www.shodor.org/interactivate/activities/Tessellate/?version=1.6.0_14&browser=MSIE&vendor=Sun_Microsystems_Inc.http://graffiticreator.net/ Tessellate!: Create a tessellation by deforming a triangle, rectangle or hexagon to form a polygon that tiles the plane. Corners of the polygons may be dragged, and corresponding edges of the polygons may be dragged. Parameters: Colors, starting polygon. Tessellate!: Create a tessellation by deforming a triangle, rectangle or hexagon to form a polygon that tiles the plane.
http://www.uptoten.com/

UpToTen - Le site ludo-rigolo-éducatif

Le site UpToTen.com est toujours développé par ses créateurs qui proposent un univers affectueux, drôle et rassurant où le graphisme, la musique, l’écrit et les dialogues sont extrêmement soignés, où les différences de chacun sont acceptées et les enfants toujours valorisés.

Khan Academy

http://www.khanacademy.org/ Matrices, vectors, vector spaces, transformations. Covers all topics in a first year college linear algebra course. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra.

Main Page - Thinkmath

2. Log in, click your user name (top of screen) and tell us what grade you teach and where your school is. Thanks! (To see who else is a registered user, click here . ) http://thinkmath.edc.org/index.php/Main_Page
The easiest way to convert a fraction to a decimal is to divide the top number by the bottom number (divide the numerator by the denominator in mathematical language) The easiest way to convert a fraction to a percentage is to divide the top number by the bottom number. then multiply the result by 100, and add the "%" sign. To convert a percentage to a fraction , first convert to a decimal (divide by 100), then use the steps for converting decimal to fractions (like above).

Decimals, Fractions and Percentages

http://www.mathsisfun.com/decimal-fraction-percentage.html
http://www.bbc.co.uk/schools/ks2bitesize/maths/

BBC - KS2 Bitesize: Maths - Home

Why do numbers and formulas matter? In this section see how knowing about sums, averages, shapes, graphs and measurements can help you out with many tasks.

Maths Teaching Ideas - General

Maths Dictionary - Get your class to make their own Maths Dictionary, which they can refer to during their normal Maths work. Guidance and Examples are given. Maths Monster - Help to support Maths learning at home with this lovely idea. Maths Worksheets - Use the Mathematics Worksheet Factory software to improve numeracy in your classroom. http://www.teachingideas.co.uk/maths/contents.htm

Free Printable Paper Designed for Math Problems

Papers Designed for Math Sometimes we just need special paper for math work. At donnayoung.org, you can print paper that has the multiplication table printed all around the edges and paper that has a number line. http://www.donnayoung.org/math/papers.htm
With The Math Worksheet Site you can create an endless supply of printable math worksheets. The intuitive interface gives you the ability to easily customize each worksheet to target your student's specific needs. Every worksheet is created when you request it, so they are different every time. This way you can add the practice that your student needs to a curriculum you already like, or you can be freed from the constraints of a workbook or textbook that gives either too much or too little practice if you would rather direct the studies yourself.

The Math Worksheet Site.com

http://themathworksheetsite.com/
If you use literature circles in your classroom, you'll want to check out these printable job sheets. This page also includes reading comprehension activities. Since 2007, we at Super Teacher Worksheets have been dedicated to providing the high-quality, educational materials for students in grades K-5. This site features thousands of printable PDF files. Our collections include math worksheets, spelling lists, reading comprehension passages, educational board games, graphic organizers, handwriting practice pages, educational card games, flashcards, and manipulative teaching materials.

Super Teacher Worksheets - Printable Worksheets

AAA Math features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts. A wide range of lessons (Kindergarten through Eighth grade level) enables learning or review to occur at each individual's current level. The AAAMath.com site contains thousands of pages of Math Lessons.

AAA Math

nrich.maths.org :: Mathematics Enrichment :: For Teachers

You may find our Curriculum Mapping Documents useful, which link a selection of our resources to both content and process aspects of the national curriculum.

Aplusmath.com

Welcome to Aplusmath.com ! This web site was developed to help students improve their math skills interactively. Visit our game room and play exciting games like Matho and Hidden Picture...Test your math skills with our Flashcards ! Try out the Math Word Find puzzle. Create and print your own set of flashcards online using the Flashcard Creator ! See the Worksheets section, where you can print worksheets to practice offline.