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Dihedral Figures - NCTM Illuminations

Grades
6 to 12
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This site offers practice in recognizing dihedral symmetry. Students also practice reflections in figures and symmetry. Simply click on the red squares to alter and rotate the figures....more
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This site offers practice in recognizing dihedral symmetry. Students also practice reflections in figures and symmetry. Simply click on the red squares to alter and rotate the figures. There is also a lesson plan available (click on "Recognizing Transformations").

tag(s): rotation (13), symmetry (55)

In the Classroom

Have students explore this site on individual computers. If individual computers aren't available, share the site on your interactive whiteboard or projector. If you are a geometry teacher, be sure to list this link on your class website.

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Frieze Patterns - NCTM Illuminations

Grades
4 to 12
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This site offers seven simple interactives that demonstrate various classes of Frieze patterns (patterns of symmetry). Students can experiment at this site with Glide Reflection and...more
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This site offers seven simple interactives that demonstrate various classes of Frieze patterns (patterns of symmetry). Students can experiment at this site with Glide Reflection and Rotation, Horizontal and Vertical Reflections, and Translations. Click on the small red circles to transform the figures, use the red "s" to stretch or shorten the pattern. Some of the terminology is even applicable in elementary math.

There is a link to a detailed lesson plan (including a few lesson plans, printables, and interactives). This site is aligned to national standards. The site requires both Flash and Adobe Acrobat. You can get both from the TeachersFirst Toolbox page.

tag(s): rotation (13), transformations (17)

In the Classroom

Share this site on your interactive whiteboard or projector during a unit about rotation and/or reflection. Have students work with partners to explore this site together. Have students create their own patterns using graph paper or a drawing program with lines of symmetry and simple "flip horizontal" or "flip vertical" commands. Take advantage of the ready to go lesson plans, printables, and more.
  This resource requires Adobe Flash and PDF reader software like Adobe Acrobat.

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Mathematical Fiction - Alex Kasman

Grades
K to 12
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This site provides countless books, films, plays, and television shows that all relate to specific math concepts. What a fabulous way to integrate math, language arts, history, and...more
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This site provides countless books, films, plays, and television shows that all relate to specific math concepts. What a fabulous way to integrate math, language arts, history, and more! The site includes the title, year, and brief description. Teachers can browse by genre, medium, motif, and/or topic. Media include everything from comic books to plays to television series. Genres include historical fiction, children's literature, adventure/espionage, fantasy, science fiction, and more. Sixty-three fiction offerings are even available FREE (in their entirety) online! The site is still developing and frequently adds additional fiction titles. Students who enjoy fantasy will also enjoy choosing books from this site, since the author admits that not all math mentioned in all the books is "real" math!! The site allows teachers to search by keyword and also to browse new offerings in the compilation of titles.

tag(s): logic (235), probability (130), statistics (122)

In the Classroom

Use this site to find extra reading choices for reluctant readers who are interested in technology and math. Use it also to show students that math processes are inherent in a lot of life's experiences. Search the site for your current math topics. Share this link on your class website for students (and parents) to use at home. Share it with your school librarian for a featured reading shelf. Challenge your more verbal/linguistic gifted students to write similar stories that feature a math concept and create an online book using a tool such as Bookemon, reviewed here.

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emathematics - Emathmatics.net

Grades
5 to 12
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Looking for extra practice and better ways to track student progress? Use this free site for explanations of concepts, see example problems, and answer a practice problem. The English...more
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Looking for extra practice and better ways to track student progress? Use this free site for explanations of concepts, see example problems, and answer a practice problem. The English is British style, so remember that "revise" on this site means the same as "review" to Americans. Teachers can register their students to follow their progress. Registration is free, but does require an email address. If you plan to have students register individually, you may want to create your own Gmail account with up to 20 subaccounts for each group of students (by code name or number) within your classes. Here is a blog post that tells how to set up GMail subaccounts to use for any online membership service.

Data on correct and incorrect answers as well as strengths and weaknesses are kept for students. This site does include some minor advertisements. Watch out for a link to "essay paper" buried at the far bottom right on the home page: a place to purchase essays online!

tag(s): coordinates (32), exponents (42), fractions (239), integers (41), percent (82)

In the Classroom

Use this site for extra practice or answering a problem after initial teaching. Identify strengths and weaknesses for grouping students in solving problems. Share this link on your class website for students to use for extra practice and as a resource outside of the classroom.

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MathsNet Geometry - MathsNet

Grades
3 to 12
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Use this site to access many interactive geometry activities. Use the interactive course topics such as "Construction," "Transformation," and "Shape." Select individual topics within...more
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Use this site to access many interactive geometry activities. Use the interactive course topics such as "Construction," "Transformation," and "Shape." Select individual topics within the main course topics. Be aware: this site does have some minor advertising. Read the text directions carefully to find all the treasures. This site requires Flash. Get it from the TeachersFirst Toolbox page..

tag(s): design (84), rotation (13), transformations (17)

In the Classroom

This is a great site to share with students using your interactive whiteboard or projector. Some of the topics are simple enough for elementary students, such as the section on transformations and the shape sorting activity. You might consider listing this link on your class website so students can access it outside of the classroom. Use the proofs and explanations to assist students with basic concepts. Many visuals can be used to start group or individual thinking and application of concepts. Students can use the Interactive glossary at the bottom as a resource for better understanding.
 This resource requires Adobe Flash.

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Geometry Games - Jeff Weeks

Grades
K to 12
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Download free shareware games to encourage thinking and practice identifying geometric shapes. Many of the downloads are games, while others provide opportunities to view computer art...more
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Download free shareware games to encourage thinking and practice identifying geometric shapes. Many of the downloads are games, while others provide opportunities to view computer art and find the hidden geometry or for students to create their own! There are also activities connecting math to physics and astronomy.

Be sure to check with your technology department about the ability to download these applications to school computers. Many districts have restrictions on the ability to download. Click on each game icon to read a description of the games included and some uses. Games are Mac and Windows compatible. Read their FAQ link with each set of games for the most asked questions about the shareware. Once downloaded, to "stop" a program, click Esc. If you are not allowed to install software on your own, share these powerful games with your math or art supervisors so they can advocate for you with the tech folks.

tag(s): geometric shapes (163), symmetry (55), tessellations (6)

In the Classroom

Use many of the images as an introductory inquiry activity to get students thinking about shapes and space. In art class, use the tiling activity and others on a projector before having student create their own on paper. Share the activities on your interactive whiteboard or projector. Provide images to groups to explore and identify the underlying math concepts present in the artwork. Provide an opportunity for some groups to create their own work with a geometric shape that they are investigating. Follow up with student projects of the geometric shape or photographs of geometric shapes in nature and man-made structures.

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Crappy Graphs!

Grades
3 to 10
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So the name may NOT be the most appealing.... But this site Crappy Graphs offers some amazing tools (and of course some giggling from the students - from the name). ...more
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So the name may NOT be the most appealing.... But this site Crappy Graphs offers some amazing tools (and of course some giggling from the students - from the name). The site claims they chose the name of the site, "Because 'Awesome Graphs!"'sounded way too pretentious." Whatever the name may be, this site is a MUST SEE if you are teaching your students about graphs or Venn diagrams, or even if you need to create your own.

The first thing you need to do is choose your type of graph to create: Line Graph, Venn Diagram 2, or Venn Diagram 3. Then, visit the Tool Box. There you will find tools to enhance your graph: a brush, a tool to make thin white lines, a link to enable you to type text onto your graph, a tool to "grab and select stuff," and a color picker. This site is very simple to use.

The site also includes a glossary, to help you understand WHAT all of the tools are for (it is directly below the graph on the main page). There is an option to SAVE your graph, by clicking submit. If you don't click submit, you will lose your graph. If you want to save the graph, you must include an email address. The site will send you an email with a direct URL to your graph. It also displays on the screen once you upload your data. Here is a sample the TF review team made. Rather than using personal email accounts consider creating a teacher Gmail account and set up subaccounts for up to 20 students to register (by code name or number). If you plan to have students register individually, you may want to create your own Gmail account with up to 20 subaccounts for each group of students (by code name or number) within your classes. Here is a blog post that tells how to set up GMail subaccounts to use for any online membership service. Be certain to check your school's Acceptable Use Policy before using this site. This site also requires Flash. You can get it from the TeachersFirst Toolbox page.

tag(s): charts and graphs (195)

In the Classroom

This is one cool tool that would be useful with elementary, middle, and high school levels. In the younger grades YOU could create the graphs together on the interactive whiteboard or projector. In the middle and upper grades, have students use the tool to create their own graphs demonstrating their understanding of a math problem. The Venn Diagrams could also be used in a science class (comparing elements), or literature (character analysis), or many other subject areas outside the realm of math.
 This resource requires Adobe Flash.

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History of Geometry - Cynthia Lanius

Grades
7 to 12
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This site offers an interesting look at the history of geometry. Learn about geometry during the times of the Egyptians, Babylonians, and Greeks, The Fifth Postulate Controversy, The...more
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This site offers an interesting look at the history of geometry. Learn about geometry during the times of the Egyptians, Babylonians, and Greeks, The Fifth Postulate Controversy, The search for Pi, coordinate geometry, non-Euclidian geometry, differential geometry, and fractal geometry. There is also an Assignment link at the bottom of the site. The assignment challenges students to research a famous mathematician. The research links are provided, and some are very lengthy.

tag(s): coordinates (32), pi (22)

In the Classroom

Use this site to help your students understand how geometry has evolved throughout the centuries. Have students work in cooperative learning groups (or independently) to research a mathematician. Challenge students to create a blog entry written from the perspective of the mathematician explaining what they have "discovered."

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Interactive Geoboard - NCTM

Grades
2 to 8
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This site offers an interactive geoboard. Click on the rubber bands, and choose a color to get started. Once you have created the shape you desire, click on the color. ...more
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This site offers an interactive geoboard. Click on the rubber bands, and choose a color to get started. Once you have created the shape you desire, click on the color. You are able to manipulate the rubber band to create any shape, add different colors to each shape, and more. You may delete specific shapes, movements, or the entire board at any any time. The site requires that JAVA is enabled on your computer. See how at the TeachersFirst Toolbox page.

In the Classroom

Share this site on an interactive whiteboard or projector, while students work independently on laptops or other computers. If individual computers aren't available, set this site up as a learning center, after the introduction. In younger grades challenge students to create certain shapes. With older students use the site for more complex instruction, helping students to navigate through basic geometry and geometric shapes. Anything you can do on a real geoboard you can do here without purchasing materials, and students cannot shoot each other with rubber bands!

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Hidden Irrationals - Cynthia Lanius

Grades
4 to 10
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This site features 13 geometry questions, a printable "dot paper," and a link to a virtual Geoboard. Some of the topics (of the questions) include square roots (of 2 - ...more
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This site features 13 geometry questions, a printable "dot paper," and a link to a virtual Geoboard. Some of the topics (of the questions) include square roots (of 2 - 40), lengths of irrational numbers, and diagonal irrationals. The virtual Geoboard opens in a new window, so you can easily navigate between the questions and the Geoboard.

tag(s): numbers (204)

In the Classroom

You have several options to use this site with your geometry students. You could print out the "dot paper" and display the question on an interactive whiteboard or projector, while students work independently at their seats and selected students share on the whiteboard (resist the urge to be Vanna White yourself). You could also share this site using the interactive Geoboards. If individual computers are available, you could have students try the 13 questions using their own interactive Geoboards. Have cooperative learning groups create 2-3 additional questions (related to the topic) for the class to try. Share them on your class web site for students to challenge one another.

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AlgebraLAB - Mainland High School

Grades
7 to 12
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AlgebraLAB highlights the connection between algebra (and many other math subjects) and science. Although this website may appear as an in-depth informational algebra site, there...more
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AlgebraLAB highlights the connection between algebra (and many other math subjects) and science. Although this website may appear as an in-depth informational algebra site, there is A LOT more to explore! AlgebraLAB includes 10+ links to various topics: Lessons, Practice, Careers (how Algebra and science are used in countless careers), Directions (offers insight on how to use this site), Word Problems, Study Aids, a Glossary, and several others. Many activities are interactive. This site requires Windows Media Player. You can get it from the TeachersFirst Toolbox page.

tag(s): calculators (41), coordinates (32), equations (155), vectors (25)

In the Classroom

This informational site is a MUST HAVE in any secondary math class. Be certain to save this site in your favorites. The site highlights countless algebra topics (and other math areas). Share the information on your interactive whiteboard or projector. Share the link on your class website so students can access the site both in and out of the classroom. Have cooperative learning groups explore one of the topics presented at the lessons or activities link. Have the groups create a video to share what they learned. Share the videos on your interactive whiteboard or projector using a tool such as TeacherTube (explained here). Differentiate! You can easily find extension activities for your more-able students to do while you reinforce the basics with others.

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Mathematics in Movies - Oliver Knill

Grades
6 to 12
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This site features engaging movie scenes (in Quicktime and Flash formats) that involve Math problems. Beside each clip and title is an explanation of the Math concept in the clip. ...more
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This site features engaging movie scenes (in Quicktime and Flash formats) that involve Math problems. Beside each clip and title is an explanation of the Math concept in the clip. Most are secondary level, but a few are for lower grades. If you click on the TITLE of the movie, you will be lead to a site to purchase, rate, and/or view the movie in its entirety. To avoid this confusion, be sure to click on the "Play the Flash Version or QuickTime" links. These links lead directly to the "math clip." Links at the bottom lead to other movie collections websites.

tag(s): logic (235), movies (64), patterns (85)

In the Classroom

Use the links "Begin of Lectures in College teaching" and "The end of lectures in college teaching" to identify effective and ineffective teaching elements at all levels. Use these clips for anticipatory set or activators at the start of a lesson or introduction of a concept. Share the video clips on your interactive whiteboard or projector. Discuss the concepts as a class or have students work in cooperative learning groups. See if students can identify any other movie or television show that has used math concepts. If time permits, have students create their own mini-dramas that include discussion of math concepts within the story.
 This resource requires Adobe Flash.

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Mathcasts Library - Tim Fahlberg

Grades
K to 12
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View math screencasts for grades K-7 or by topic (algebra, trigonometry, calculus, pre-calculus, or financial math). The topics for grades K-7 range from number sense to mathematical...more
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View math screencasts for grades K-7 or by topic (algebra, trigonometry, calculus, pre-calculus, or financial math). The topics for grades K-7 range from number sense to mathematical reasoning to statistics, data analysis, & probability. Follow common problems, example exam questions, and problems of the day. View video clips (some made by students)!. The videos require Flash. You can get it from the TeachersFirst Toolbox page.

tag(s): addition (251), counting (120), measurement (159), numbers (204), probability (130), statistics (122)

In the Classroom

Use this site for homework help, explaining solutions to problems, and extra credit problems to solve. Share the video clips on your interactive whiteboard or projector as an introduction to a new topic or for review, especially for your visual learners! Have students think out loud and create their own instructional videos for math concepts and share them on a tool such as SchoolTube (reviewed here). Be sure to list this link on your class website for students to use both in and out of the classroom. Note: since content is user-contributed, you will want to talk with your students about who created the materials (students, teachers, professors) and how to tell.
 This resource requires Adobe Flash.

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CSDSmarties - Rachel Carter, Lisa, Linda

Grades
K to 8
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This site is a blog created by a three teachers (in New Hampshire?) for other teachers - all about using technology (especially interactive whiteboard) with math lessons! The subject...more
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This site is a blog created by a three teachers (in New Hampshire?) for other teachers - all about using technology (especially interactive whiteboard) with math lessons! The subject is math, and the topics vary from basic arithmetic to geometry to patterns. Learn how to use your interactive whiteboard to teach lessons, see examples, view lesson ideas, watch videos of teacher experiences, and much more. There are many demonstrations and activities in a variety of math subjects. The content changes often, and additions are frequently added. This site requires Flash. You can get it from the TeachersFirst Toolbox page.

tag(s): counting (120), patterns (85), subtraction (208)

In the Classroom

Find ideas for your own classroom at this site. Save this site in your favorites, and check back frequently, as new material is added. Then try the lessons yourself. Don't be shy about commenting back on the blog, but be sure to tell them you found them on TeachersFirst!
 This resource requires Adobe Flash.

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GeoGebra - GeoGebraWiki International

Grades
K to 12
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Choose from a wide variety of lesson plans and ideas for elementary, middle school, high school, or college, all created using GeoGebra. View concepts on individual pages that house...more
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Choose from a wide variety of lesson plans and ideas for elementary, middle school, high school, or college, all created using GeoGebra. View concepts on individual pages that house interactive applets (mini-programs) and downloadable, zipped versions. Depending on your computer's security settings, you may need to "tell" your computer to "trust" the source of the activity before it will "Run." Explore Math resources for Art, Music, and Physics. Some of the available activities have demos with audio explanations, as well. Be aware this wiki allows users to add content. You must log-in to add content, but you still may want to preview for accuracy before you share this site with your students. The users appear to all be math teachers, but some activities may be created by students.

tag(s): angles (88), coordinates (32), decimals (133), equations (155), fractions (239), integers (41), percent (82), volume (45)

In the Classroom

Use the applets to demonstrate concepts in Math. Use these as a review or as an introductory lesson for students to identify the rule. Many are well-suited for interactive whiteboards.

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Java applets - Pacific Lutheran University

Grades
5 to 12
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Use these applets (mini-animations) to show Math problems and their solutions clearly and dynamically. Choose applets in "Arithmetic," "Algebra and Trigonometry," "Calculus," "Geometry,"...more
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Use these applets (mini-animations) to show Math problems and their solutions clearly and dynamically. Choose applets in "Arithmetic," "Algebra and Trigonometry," "Calculus," "Geometry," "Algebra," and "Probability and Statistics." View the math relationships easily with these great applets. This site requires Java to run all the applets (mini-programs). You can get it from the TeachersFirst Toolbox page.

tag(s): equations (155), fractions (239), probability (130), statistics (122)

In the Classroom

Use these applets with groups of students to learn the math rules and use to demonstrate and teach concepts to the rest of the class. Use the applets to demonstrate and identify solutions to problems. List this link on your class website for students to explore both in and out of the classroom for review, recap, or exploration.

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Download a 12 Sided Calendar - Ole Arntzen

Grades
4 to 10
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This interesting web activity enables students to create and print calendars in either PDF format or PostScript format. Students can mark holidays and birthdays in the PostScript format....more
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This interesting web activity enables students to create and print calendars in either PDF format or PostScript format. Students can mark holidays and birthdays in the PostScript format. Once the calendar is printed, the website provides explicit instructions about how to fold the paper into a 12 sided calendar. This website is a fabulous tool to reinforce geometry skills, calendar math, following directions, and reading. The files are available in PDF format and require Adobe. Get it from the TeachersFirst Toolbox page.

tag(s): holidays (147), new years (11), paper folding (5)

In the Classroom

What a fabulous craft to complete at the beginning of the calendar year (January). Take your class to the computer lab and have the students fill in the blanks to print their calendars. Then use an interactive whiteboard or projection screen to share the instructions for folding the calendar.
 This resource requires PDF reader software like Adobe Acrobat.

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Real World Math: Using Google Earth in the Math Curriculum - Real world math

Grades
5 to 12
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This site uses Google Earth to teach Math! If your school does not allow access or installation of this free software, use this site as justification for the power of ...more
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This site uses Google Earth to teach Math! If your school does not allow access or installation of this free software, use this site as justification for the power of GE in the curriculum. Use higher level thinking skills and provide active learning by using the lessons on this site. Visit the "Lessons" page to view lessons grouped into four categories: Concept Lessons, Project-Based Learning, Exploratory, and Measurement. Use the "Community" page to collaborate or submit lesson ideas. Click on the "Update" page to view new lessons or resources added. The "Resource" page contains links to other sites and tutorials that are useful. NOTE that you must have the FREE Google Earth reviewed hereinstalled on your computer to use these terrific ideas.

Be aware that the "Community" link has been moved off-site and is designed for teachers, not students.

tag(s): data (148), earth (228), measurement (159), problem solving (272)

In the Classroom

Use this site to access lessons that bring Math to life and provide relevance to the students. These lessons provide an option to use higher level thinking skills that provide true understanding and learning of Math concepts.

Have students complete these lessons and share their finished products on an interactive whiteboard or projector.

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Science for Kids - Kidipede

Grades
5 to 10
5 Favorites 0  Comments
 
This site, designed especially for middle school students, highlights the basic foundations of math, geology, chemistry, physics, and biology. Although this site is recommended for...more
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This site, designed especially for middle school students, highlights the basic foundations of math, geology, chemistry, physics, and biology. Although this site is recommended for middle school students, it is also appropriate for high school students studying the subject areas. It is mainly a "text" site, without interactives. However, this is a great resource for explaining complex topics, researching specific topics in science and math, and much more. Each general area (i.e. geology or biology), includes several sub-topics. There are also links to activities for students, project ideas, and Teacher's Guides. There are two caveats: there are some advertisements -- nothing too distracting -- AND some of the suggested activities include "buying" a book from Amazon. You do NOT need to purchase anything to take advantage of this free resource!

tag(s): atoms (55), diseases (66), earth (228), earthquakes (48), electricity (89), medicine (67), rocks (49), weather (188)

In the Classroom

Use portions of this site as an anticipatory set in your science or math class. The information is simple to understand and would be useful for students struggling with a topic. Use the site for research about specific topics. Have teams of students explore each of the "sub-topics" within the main topic and then create an interactive presentation (Powerpoint, video, or wiki) to share the information with their class. Why not list this link on your class website, so students can access the page both in and out of the classroom.

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Seeing Math: Secondary Interactives - The Concord Consortium

Grades
7 to 12
1 Favorites 0  Comments
This site offers FREE interactive math tools: qualitative grapher, piecewise linear grapher, linear transformer, function analyzer, quadratic transformer, system solver, plopit, and...more
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This site offers FREE interactive math tools: qualitative grapher, piecewise linear grapher, linear transformer, function analyzer, quadratic transformer, system solver, plopit, and proportioner. Originally the interactives required special software, but they now run directly from the web site without any special installation or download. The interactives all include a real-time connection between math concepts (graphical or symbolic) and the representations. The activities provide visual illustrations to enhance algebra class. They allow for accelerated learning. And you are even able to save images to share with classmates.

The "Qualitative Grapher" demonstrates the meaning of a function and see how it can be seen as something changing over time. The "Proportioner" highlights scale and proportion and allows you to compare image dimensions. All of the other individual activities highlight other upper level math skills. This site requires Java and Adobe Acrobat. You can get both from the TeachersFirst Toolbox page.

tag(s): mean (25), median (22), statistics (122)

In the Classroom

Share this site on an interactive whiteboard or projector to help students visualize concepts learned in class. Have students work in pairs to try some of the activities that enhance your secondary math units. List this link on your class website, so students can practice these math skills at home.
 This resource requires PDF reader software like Adobe Acrobat.

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