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What's Special About This Number - Erich Friedman

Grades
4 to 12
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This unusual website shares the "uniqueness" of a multitude of numbers. The numbers range from 0 - 9,999. This website teaches you what the only even prime number is, what ...more
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This unusual website shares the "uniqueness" of a multitude of numbers. The numbers range from 0 - 9,999. This website teaches you what the only even prime number is, what a narcissistic number is, what the smallest number with 14 divisors is, and a LOT of other interesting mind-stretching information. The highlight of this website is the ability to click on math terms to learn more about the topic.

tag(s): angles (88), median (22), numbers (204), roman numerals (9), vocabulary (324)

In the Classroom

This is one of those sites that you have see to appreciate. Share the site on an interactive whiteboard. In more advanced classes, project a number on the screen as students walk in. Have students try to figure out what might make this number "special." Have students share their responses. This is a great "number of the day/mind-stretcher of the day" activity.

Or have students work on individual computers. Choose several of the numbers that relate to a topic that you are teaching (such as the square root), and have individual students learn about the number and then teach the class what they learned. Extend the idea by having students create "what's special" PowerPoint slides or wiki pages about favorite numbers. What better way to develop true number sense and excitement about math as a mental game.

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Math Mistakes Info - Russell Blyth, Saint Louis University

Grades
7 to 12
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Use Math mistakes to uncover the most common math errors and perhaps learn a little more math as well. This site has "Real Mistakes from Real Student Work" and "Math ...more
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Use Math mistakes to uncover the most common math errors and perhaps learn a little more math as well. This site has "Real Mistakes from Real Student Work" and "Math Facts Students Should Know." Browse "Common Algebra Mistakes," "Common Trigonometry Mistakes," and "Common Calculus Mistakes" by using the drop down menus along the top or through the brightly colored buttons. Each area is also broken down into smaller subject areas such as "Pre-algebra" and "Radical Expressions" with several examples given for each. Each example provides the problem and the example mistake that is made. Rolling your mouse over the problem provides a clue to the error, while rolling over the correction area provides the right answer. There are also explanations of the errors and how to avoid them. Choosing the drop down on the example page allows the student to view as a plain web page or as a pdf file. Other links include "Algebra facts," "Trigonometry facts," and "Calculus facts" which contain flash cards and learning center activities. Note: Links to Amazon for math books of interest are listed, as well as a blog link and links to apparel for sale. Steer students clear of these areas. This site requires Adobe Acrobat. You can get it from the TeachersFirst Toolbox page..

tag(s): equations (155)

In the Classroom

Use the flashcards and learning center information to reinforce material taught in class. Students can also look at the examples to make a class hint list of "how to avoid mistakes in our math class." Students can use this information to review incorrect homework and test questions. Have students take turns presenting the most commonly missed questions and how to find the correct answers. Have students correct their own mistakes from a test or homework assignment by using the site. Have students analyze the mistakes first before they roll over to view the hints and the corrections. If you use an interactive whiteboard, the rollovers will not appear as easily, so you can ask students to find them first.

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Simpson Math - Dr. Sarah Greenwald and Dr. Ansdrew Nestler

Grades
11 to 12
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Will The Simpsons TV show engage your students? Peruse the site to find examples of Simpson clips that can be used as a springboard for discussions or instruction of math ...more
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Will The Simpsons TV show engage your students? Peruse the site to find examples of Simpson clips that can be used as a springboard for discussions or instruction of math functions. The "Guide to Mathematics and Mathematics on the Simpsons" link includes episodes from each season. Another link, "Girls just want to have Sums," has several math and cognition articles worth reading, and a text transcript of a presentation providing a class example of engaging students using the Simpsons.

Of greater use is the link to "Classroom Activity Sheets" that provides engaging ideas for using Simpsons' scenarios to solve problems in class. Note: These are thought-provoking activities that are open ended and require considerable critical thinking. Examples include: "Are the Simpsons 2D or 3D?", "2D universes," "Pi," "Blackboard Equations," and "The Simpsons Lottery." At the top of the Activity Sheet page is a link for "suggestions" for successfully implementing these activities as well as cautions for changing math gender bias in society and the classroom.

tag(s): critical thinking (108), equations (155), pi (22)

In the Classroom

Use these as a springboard for problem solving group work in class. These activities can also be used to jumpstart your own ideas for tying pop culture and other media into your classroom. The articles on gender bias and promoting math and science for girls can help promote math and science education for all students.

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Math Videos - mathplayground.com

Grades
2 to 10
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As the name suggests, this website offers numerous math videos. The videos answer specific questions (sent in by students). General topics include numbers and their properties, addition,...more
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As the name suggests, this website offers numerous math videos. The videos answer specific questions (sent in by students). General topics include numbers and their properties, addition, subtraction, multiplication, division, fractions, decimals, percents, geometry, measurement, data, word problems, and advanced topics. The website currently features 20-30 videos. New ones are frequently added. Students and teachers are able to send in specific math questions, but the response time is currently "on delay." The videos are mainly audio with simple illustrations. Each video is short in length and requires Flash. You can get it from the TeachersFirst Toolbox page..

tag(s): decimals (133), fractions (239), measurement (159), numbers (204), percent (82)

In the Classroom

The possibilities at this website abound. The website offers both audio and visual descriptions for each math topic, thus enabling you to reach your visual and audio learners. Use your interactive whiteboard or projector to share a specific topic with your students. Or make the videos a learning center for students to explore independently, and view the videos that relate to their individual needs. Be sure to provide this link for home use via your class newsletter or on your website.
 This resource requires Adobe Flash.

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Paper Models of Polyhedra - Gijs Korthals Altes

Grades
6 to 10
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This simple, "hands-on" website offers PDF files of numerous paper models of polyhedra. The files are ready to print and share with your students. The various geometric solids include...more
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This simple, "hands-on" website offers PDF files of numerous paper models of polyhedra. The files are ready to print and share with your students. The various geometric solids include platonic solids, Archimedean solids, Kepler-Poinsot polyhedra, and numerous others. The files are available in PDF format and require Adobe. Get it from the TeachersFirst Toolbox page..

tag(s): paper folding (5), visual thinking (10)

In the Classroom

Why not print a pattern onto cardstock or other thick paper. Then project the image (that you printed for your students) onto a projection screen or interactive whiteboard, while students work independently at their seats. Before you pass out the paper copies, have them view the projected image and predict what it will be.

These shapes can also serve as creative study aids for all subject areas, especially for students who need engaging ways to review. Have students write key terms and questions on the "faces" before assembling the figures, then "roll" them as a study game, testing each other to define or explain terms.
 This resource requires PDF reader software like Adobe Acrobat.

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Mrs. Cassidy's Web Page - Problem Solving - Mrs. Cassidy

Grades
K to 5
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This website provides links to excellent problem solving activities: pattern blocks, tangrams, and pentominoes. Each activity requires visual thinking and working with shapes to solve...more
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This website provides links to excellent problem solving activities: pattern blocks, tangrams, and pentominoes. Each activity requires visual thinking and working with shapes to solve problems. Be aware, the Geoboards link is presently inactive. The other activities are all worth taking a look at. Most activities require FLASH or JAVA. Get these from the TeachersFirst Toolbox page..

tag(s): logic (235), problem solving (272), tangrams (14)

In the Classroom

Get your students excited about problem solving and even simple geometry. These activities are ideal for an interactive whiteboard, but be sure you have a student operating the board! The activities are also suitable for cooperative learning groups or individual computers.

Be sure to provide a link to this website on your teacher website and newsletter.
 This resource requires Adobe Flash.

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Mrs. Cassidy's Web Page - Geometry - Mrs. Cassidy

Grades
K to 3
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This excellent website was created by a teacher. It offers links to numerous, practical geometry activities. Most are interactive and all have educational value. Specific activities...more
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This excellent website was created by a teacher. It offers links to numerous, practical geometry activities. Most are interactive and all have educational value. Specific activities include "Shape Movie," "IC Shapes," "Shape Matching," "Sammy's Shapes," "Find the Shape," "Find the Right Shape," and "Buzzing with Shapes." Most of these activities require FLASH. Get it from the TeachersFirst Toolbox page..

tag(s): matching (24), sorting (10)

In the Classroom

What a fabulous website to use on an interactive whiteboard and as a learning center. Be sure that your volume is turned up, as many of the activities include sound. The activities are also ideal for individual practice (with headphones), or cooperative learning groups.

Be sure to include a link to this website on your teacher web page and newsletter.
 This resource requires Adobe Flash.

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Harcourt Multimedia Math Glossary - Harcourt Brace

Grades
1 to 8
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This online glossary offers definitions and pictures of math terms. Click on the grade level to view terms and definitions that are appropriate for each grade level. Some examples from...more
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This online glossary offers definitions and pictures of math terms. Click on the grade level to view terms and definitions that are appropriate for each grade level. Some examples from the 1st grade list include a bar graph, cone, minus, and pattern. Examples from the 6th grade list include absolute value, coordinate plane, Fibonacci sequence, and countless others. This is an excellent resource for all elementary and middle school math teachers. Even if you do not use the Harcourt math series, the terms are universal.

tag(s): vocabulary (324)

In the Classroom

Make a shortcut to this site on your desktop for students to reference as needed during school hours. Be sure to provide this link on your class web page and in your class newsletter, so students can access the information from home.

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Geometry - 3D Shapes - Annenberg Media

Grades
5 to 9
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This website offers motivational and interactive class activities to learn more about 3D shapes. It also shows how to calculate surface area and volume, as well as other mathematical...more
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This website offers motivational and interactive class activities to learn more about 3D shapes. It also shows how to calculate surface area and volume, as well as other mathematical properties about the 3D shapes. Specific topics include surface area and volume, platonic solids, Euler's Theorem, and several others. The Test Your Skills link provides an interactive quiz complete with photos, illustrations, and animations. The About This Interactive link provides standards, goals, lesson ideas, and more. Some of the activities require FLASH. You can get it from the TeachersFirst Toolbox page..

tag(s): area (66), volume (45)

In the Classroom

Get your interactive whiteboards (or projectors) ready for this intriguing website. The website introduction page activates students' schema by explaining how we live in a three-dimensional world. Have your students add to the website's list of 3D shapes in their classroom. Complete the web activities as a class (on a projection screen), or have your students team up and research the website in pairs. At the conclusion of the activity, have your students divide into two teams to complete the interactive quiz. Project the questions on the screen, and have the teams discuss the math problem and determine the best answers.
 This resource requires Adobe Flash.

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National Library of Virtual Manipulatives - Utah State University

Grades
K to 12
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This celebrated collection of countless interactive math activities was created by Utah State University. Use the simple grid to find activities by grade level (pre-K-2, 3-5, 6-8, and...more
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This celebrated collection of countless interactive math activities was created by Utah State University. Use the simple grid to find activities by grade level (pre-K-2, 3-5, 6-8, and 9-12)and topic: numbers & operations, algebra, geometry, measurement, and data analysis & probability. Specific virtual manipulatives include attribute blocks, geoboards, pattern blocks, algebra tiles, and numerous others. Nearly all of the activities require JAVA. Get it from the TeachersFirst Toolbox page..

tag(s): charts and graphs (195), probability (130), tangrams (14)

In the Classroom

What a perfect tool to help your visual learners connect the dots in math class. All activities are perfect for an interactive whiteboard or projector. This is also an excellent resource to use for re-teaching skills, additional practice, enrichment activities, or even advanced activities for your gifted students. Learning support teachers will appreciate the alternative way to present math topics in a "hands-on" format. Be sure to include this website as a link on your classroom web page.
 This resource requires PDF reader software like Adobe Acrobat.

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Count On! - Tribal Group

Grades
3 to 9
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What a fabulous math website! The homepage features numerous interactive math activities (updated frequently). There are also links to countless math activities (mostly interactive),...more
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What a fabulous math website! The homepage features numerous interactive math activities (updated frequently). There are also links to countless math activities (mostly interactive), professional information about the teaching of math, and much more. Some examples of the topics include 3D geometry, time, money, Sudoku, weight and measurement, numbers, probability, Tangrams, and numerous others. This British site provides benchmarks and standards. Some of the activities require FLASH. You can get it from the TeachersFirst Toolbox page.. NOTE: the site is slow to open during heavy-traffic times. Please be patient.

tag(s): factors (42), money (193), numbers (204), probability (130), sudoku (18), time (144)

In the Classroom

This site is an excellent resource for educational activities both in and out of the classroom. Be sure to visit the "Games" link. There you will find numerous educational math activities that are ready for your interactive whiteboards or projection screens. Share the link on your teacher web page for parents and students to access from home, as well.
 This resource requires Adobe Flash.

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Johnnie's Math Page Fun

Grades
K to 8
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This collection of over fifty interactive math activities was organized by a math specialist (former 5th grade teacher). Difficulty levels are color-coded for "Primary Math," "Best...more
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This collection of over fifty interactive math activities was organized by a math specialist (former 5th grade teacher). Difficulty levels are color-coded for "Primary Math," "Best Primary Math," "Intermediate Math," and "Best Intermediate Math." The activities include basic math and logic activities. Some of the topics include Hanoi towers, weights, Tetris, algebra, abacus, point of view, and countless others. What a fabulous resource for any elementary or middle school math class. All of the activities are interactive and require FLASH or JAVA. You can get both from the TeachersFirst Toolbox page..

tag(s): counting (120), patterns (85), symmetry (55), tangrams (14)

In the Classroom

What a fantastic website to include in your classroom web page and newsletter. All of these activities are perfect for an interactive whiteboard or projector. This is an excellent resource for gifted students. The activities could also be used for enrichment, additional practice, and re-teaching skills. So turn up the volume and treat your class to a mind-bending challenge.
  This resource requires Adobe Flash and PDF reader software like Adobe Acrobat.

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Origami Now - Peabody Essex Museum

Grades
3 to 9
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This website offers excellent instructional videos demonstrating how to create numerous origami projects. There are seven different projects and four difficulty levels. The videos demonstrate...more
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This website offers excellent instructional videos demonstrating how to create numerous origami projects. There are seven different projects and four difficulty levels. The videos demonstrate (step by step) how to create the origami folding projects. The activities (in order of difficulty) include a jumping frog, a duck, a dog, a water lily, a phoenix, a butterfly, and a bat. All of the videos require FLASH. Get it from the TeachersFirst Toolbox page..

tag(s): origami (17)

In the Classroom

The activities at this website would be perfect for a geometry class (reinforcing various shapes)or as part of cultural study of Japan. It could also be used to accompany story-reading (keep hands and eyes busy). The videos are ideal for an interactive whiteboard; students can follow (and fold) along with the videos. The videos could also be used as a learning center on your classroom computer. Just put a stack of paper with the computer, and students can practice along with the videos.
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Numbers - Johnnie's Math Page

Grades
K to 5
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The collection of over fifty interactive math activities was organized by a math specialist (former 5th grade teacher). Some topics are for primary grades (such as the count aloud and...more
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The collection of over fifty interactive math activities was organized by a math specialist (former 5th grade teacher). Some topics are for primary grades (such as the count aloud and sequence activities). Other topics are more complex (such as factorization and equations). Specific topics include base 10, counting, sequence, ordinals, odd and even numbers, place value, addition, equations, subtraction, integers, number line, Venn diagrams, algebra, factorization, cuisennaire rods, and others. What a fabulous resource for any elementary math class. All of the activities require FLASH. Get it from the TeachersFirst Toolbox page..

tag(s): counting (120), equations (155), factors (42), integers (41), numbers (204), place value (56), preK (279)

In the Classroom

Treat your students to these wonderful, ready-to-go activities. All are perfect for an interactive whiteboard or projector. This is also an excellent resource to use for additional practice, re-teaching skills, enrichment activities, or even advanced activities for your gifted students. Be sure to include this website as a link on your classroom web page.
 This resource requires Adobe Flash.

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Geometry - Johnnie's Math Page

Grades
2 to 8
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This fantastic collection of links was organized by a math specialist (a former 5th grade teacher). The site provides over forty interactive math activities that all relate to geometry....more
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This fantastic collection of links was organized by a math specialist (a former 5th grade teacher). The site provides over forty interactive math activities that all relate to geometry. Some of the specific topics include pattern blocks, square tiles, pentominoes, geoboards, symmetry, tangrams, triangles, angle measures, polyhedra, cartesian grids, tessellations, point of view, and numerous other topics. What a wonderful resource to use with elementary or middle school math students. All of the activities require FLASH or JAVA. Get both from the TeachersFirst Toolbox page..

tag(s): angles (88), symmetry (55), tangrams (14)

In the Classroom

This website provides excellent resources to use for additional practice, re-teaching skills, enrichment activities, or even advanced activities for your gifted students. All of the math activities are perfect for an interactive whiteboard (or projector). Treat your class to these fabulous resources.

Be sure to include this link on your classroom web page, blog and/or newsletter.
 This resource requires Adobe Flash.

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Mathematics - 3rd Grade - Utah State Of Education

Grades
2 to 4
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This website provides an excellent selection of lesson plans all relating to the same objective, Students will represent whole numbers up to 10,000, comprehend place value concepts,...more
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This website provides an excellent selection of lesson plans all relating to the same objective, Students will represent whole numbers up to 10,000, comprehend place value concepts, and identify relationships among whole numbers using base-ten models and symbolic notation.

Specific lesson plans include, "Expanded Form and Place Value," "Subtraction - There's Got to be an Easier Way," "Tricky Triangles," and several others. All lesson plans are extremely detailed and provide standards, material lists, step-by-step instructions, interactive elements, links, printable pages, and more. Some of the links require JAVA. Get it from the TeachersFirst Toolbox page..

tag(s): angles (88), base ten (12), gravity (45), numbers (204), place value (56), whole numbers (16)

In the Classroom

Are you looking to spice up your lesson plans? If you are teaching whole numbers up to 10,000, place value, symbolic notation, base-ten models, and other math topics - check out this free resource.
 This resource requires PDF reader software like Adobe Acrobat.

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Fill-It-In Outline Mathematics - Alexander Bogomolny

Grades
1 to 10
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This website is truly a rare find - combining math and reading skills. Although the main page is aesthetically plain, the activities are very challenging. Most are set-up as word ...more
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This website is truly a rare find - combining math and reading skills. Although the main page is aesthetically plain, the activities are very challenging. Most are set-up as word problems that require reading, comprehension, math skills, and more. The "outline math problems" provide students with 3-5 choices. You simply click on the blank and the choices for the answers are provided. There are activities for primary grades (such as basic addition practice) as well as advanced activities for secondary grades (such as geometry concepts). Many of the activities require JAVA. Get it from the TeachersFirst Toolbox page..

tag(s): angles (88), logic (235), multiples (35)

In the Classroom

These activities are perfect for an interactive whiteboard (or projector). You could also provide a link to this website in your class newsletter or on your class web page. Many of the activities would provide excellent at-home practice and/or enrichment. Challenge your students to answer a question of the week for extra credit.

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Project//Draw 0.6 - AutoDesk Labs

Grades
4 to 12
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No special skills needed, just a little willingness to "play"! This product is an online vector drawing/technical drawing tool for geometry, science, engineering, and more. Vector drawings...more
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No special skills needed, just a little willingness to "play"! This product is an online vector drawing/technical drawing tool for geometry, science, engineering, and more. Vector drawings are far more precise because they are based on mathematical formulas (which you cannot see, of course), instead of the "little boxes" of pixels. Free membership allows you to save and re-access drawings later, all via the web. You can also export drawings to be saved on your own computer is several file formats. The drawing grid allows you to make floor plans, circuit diagrams, flow charts, project mock-ups, or simply demonstrate geometry concepts. Our editors noted that the way to make a shape "no fill" is to set its transparency to 0.0. A little experimentation will help you figure out the drag and drop tools. The tool works best in Firefox 1.5+ or Internet Explorer 6+. Editors' note: we tried the "upload an image" feature and found it "glitchy." You should not count on that feature.

tag(s): electricity (89), modeling (9)

In the Classroom

This tool is amazing on interactive whiteboard. Teach simple concepts, such as area,on the board or have students at computers create their own floor plans or maps to reinforce concepts of proportion, direction, and more. Students can even collaborate from home or continue over several days, since the files can be saved on the system. If you wish to save drawings on Project//Draw, create a single class log-in using an "extra" teacher email account and have all students use that log-in, as well. [We recommend that every teacher keep a secondary email account just for memberships.] Make sure you specify some standard ways for students to name files so you know who created them!

Students who log in and venture throughout the support site behind this will eventually find some bulletin boards where people are discussing features of the program. These discussions are largely technical and do not involve "social networking," but you should be aware of them.

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InterMath - University of Georgia

Grades
5 to 9
1 Favorites 0  Comments
  
InterMath provides lesson plans, quick math activities, standards, definitions of various math concepts, and other math resources. The general math topics include algebra, geometry,...more
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InterMath provides lesson plans, quick math activities, standards, definitions of various math concepts, and other math resources. The general math topics include algebra, geometry, number concept, and data analysis. Each general topic also includes numerous recommended investigations, plus additional investigations, Georgia standards, and national math standards. There is also an excellent math dictionary. Support links include explanations of how to do some of the activities in Geometer's Sketchpad, as well.

tag(s): integers (41), probability (130), statistics (122)

In the Classroom

Get an interactive whiteboard and project the math investigations on a screen. Be sure to check out the "constructionary." Allow the students to try to figure out the answers independently at their desks or have them work on individual or partner computers.

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Countdown - Loyola University Chicago School of Education

Grades
K to 12
1 Favorites 0  Comments
  
This eclectic website provides video clips teaching a multitude of math topics. All video clips are abbreviated from a weekly hour-long show broadcast on an interactive cable television...more
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This eclectic website provides video clips teaching a multitude of math topics. All video clips are abbreviated from a weekly hour-long show broadcast on an interactive cable television network in Chicago. Each clip is 4-7 minutes and designed to simplify math concepts for students of all ages. All of the lessons follow content standards established by the National Council of Teachers of Mathematics. The general topics include numbers & operations, algebra, geometry, measurement, data analysis & probability, and technology. This site requires Flash or Quicktime (read their notice regarding the sound files). Get it from the TeachersFirst Toolbox page..

tag(s): charts and graphs (195), estimation (46), probability (130)

In the Classroom

This website would be excellent to use to introduce a new math concept or to re-teach a difficult math topic. These kid-friendly videos offer teachers a new way to teach math. She the videos one at a time on classrooms computers or make this resources a link from your teacher web page for students and parents to get "extra help" at home.
 This resource requires Adobe Flash.

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