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### MathDoku - MathDoku

4 to 12
MathDoku is a mathematical and logical puzzle based on KenKen,"? and loosely similar to sudoku. Puzzles can be solved by combining the four main mathematical functions of addition,...more
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MathDoku is a mathematical and logical puzzle based on KenKen,"? and loosely similar to sudoku. Puzzles can be solved by combining the four main mathematical functions of addition, subtraction, multiplication, and division. Difficulty levels of the puzzles can be chosen from random, easy, medium, or hard and hints can be accessed to help solve puzzles. Size of puzzles can also be chosen from 6X6, 8X8, or a printable version. This site does include some unobtrusive advertisements.

tag(s): addition (227), division (161), multiplication (211), problem solving (294), subtraction (187)

#### In the Classroom

Share this site on your interactive whiteboard or projector to demonstrate how to solve MathDokus. Create a link on classroom computers for students to explore on their own. Challenge students to create their own MathDokus. This site is perfect to use with gifted students as a problem-solving activity. Share this link on your classroom website for students to access both in and out of class.

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### Math Tricks - Pedago.net

3 to 12
Math tricks and tools fill this easy to use site. Find a list of all prime numbers up to 100 and a conversion chart for fractions to decimals to percent. ...more
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Math tricks and tools fill this easy to use site. Find a list of all prime numbers up to 100 and a conversion chart for fractions to decimals to percent. Tricks include Calendar Math which gives a formula for finding the day of the week someone was born based on their birth date, 73 which gives a formula for always finding an answer of 73 to a problem, and Two Too which provides a simple formula for always finding an answer of two after choosing any number. This site does include some unobtrusive advertisements.

tag(s): mental math (30)

#### In the Classroom

Use this site as a resource when looking for activities for a Math Night, Open House, or end-of-year fun math activities. Perform one of the tricks for students then ask them to find the explanation for how it works. Assign students tricks to perform for other students, then have them solve for the explanation. Have students act out and record Math Magic videos using these tricks, upload the to a sharing site such as TeacherTube, reviewed here

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### Gnarly Math - Solid Gold Gnarly Math

K to 12

Learn how to make math fun, entertaining, and amusing for you and your students with this math site. Although the site was created to sell an e-book and CD-Roms, there ...more
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Learn how to make math fun, entertaining, and amusing for you and your students with this math site. Although the site was created to sell an e-book and CD-Roms, there is a wide variety of items that are free making it worth a visit to the site. When you visit the link with ideas for teachers there are many short ideas and suggestions to use immediately in the classroom. For example, there are 5 minute warm-ups and tricks to use at the beginning of math class. There are several pages of similar ideas that can be used immediately in the classroom. Also included on the site are 10 free downloads from the CD-Rom. Be aware: this site does include advertisements.

tag(s): puzzles (203)

#### In the Classroom

Print the ideas for teachers and save as a resource for quick classroom math activities. Share ideas with other teachers and brainstorm more activities.

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### Origami Club - Fumiaki Shingu

K to 8

The Origami Club makes the art of folding paper child's play. The animated video tutorials and printable directions take the guesswork out of making origami. There is a wide variety...more
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The Origami Club makes the art of folding paper child's play. The animated video tutorials and printable directions take the guesswork out of making origami. There is a wide variety of directions for creating animals, creatures, food, holiday gifts, and accessories. The site also includes printable origami paper, links to other origami sites and new designs each month. There are some minor advertisements at this site.

tag(s): origami (15)

#### In the Classroom

Learn about the culture of Japan, geometry, and art with Origami. Use these video tutorials to create clever objects for holiday gifts while teaching mathematical principals about 2D and 3D figures, line, area, perimeter, and planes. Demonstrate how to create an origami object by projecting the site's animated videos directions. Stop and pause the video as students follow along. Save this site in your favorites on classroom computers so students can practice paper folding independently. Afterward, discuss the benefits of oral, visual, or animated directions. Ask students to describe the folding process with geometric terms such as fractional parts, symmetry, faces, edges, rotations, lines, triangle, angles, and shapes. Consider having students use a variety of multimedia presentation platforms to publish their personal version of directions. Have students create multimedia presentations that add narration to each fold with Thinglink, reviewed here. Alternatively, share video directions on SchoolTube, reviewed here, or TeacherTube reviewed here. Have cooperative learning groups create podcasts demonstrating how to create origami with sites such as PodOmatic, reviewed here.

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### Classroom Activities in Topology - Hands-On Math

1 to 6

This site provides lessons with hands-on math using a Mobius strip (or band). Though the site is "plain vanilla," this topic always fascinates students. Directions are included for...more
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This site provides lessons with hands-on math using a Mobius strip (or band). Though the site is "plain vanilla," this topic always fascinates students. Directions are included for creating the strips along with a link to printable blackline masters to use. A simple, mathematically important, and wonderfully entertaining two-dimensional object, also known as the Mobius strip, that has only one surface and one edge and is therefore of great interest in topology. It is used in classrooms to develop understanding of surfaces and create mystery. Lessons build upon each other and give stopping points for each grade level. Pictures would have been helpful to demonstrate the activities; however, the site is still useful with providing lessons using the bands. More information on Mobius bands can be found here.

#### In the Classroom

During the lessons, take digital pictures of the procedures for creating and working with the Mobius bands. Older students can search for examples of Mobius bands used in the real world and create a classroom display.

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### Fraction Finder - Shodor

3 to 6

This activity provides you with two fractions, a pair of shapes, and a number line. Each shape is connected to a point on the number line corresponding to one of ...more
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This activity provides you with two fractions, a pair of shapes, and a number line. Each shape is connected to a point on the number line corresponding to one of the fractions. You can create the computer generated fractions by adding sections to the empty shaped and coloring in the appropriate portion of the shape to match the fraction. When both shapes are correctly divided and colored, a third box appears. You are asked to divide and color the new shape to create a new fraction that lies between the values of the original two. After all three boxes are correctly colored, the student must enter the value of the fraction which they created. Be sure to check out the link for instructors which provides a printable with exploration questions, links to standards, suggested classroom uses, and links to similar resources.

tag(s): area (73), fractions (228), test prep (98)

#### In the Classroom

Print the exploration questions for students to use with the activities on the site. Use on the interactive whiteboard or projector to compare fractional amounts and place fractions on a number line. Place a link on your classroom website or blog for practice at home. Don't forget to visit the link for instructors.

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### Equivalent Fractions Finder - Shodor

3 to 12

This site provides visual experimentation with the relationship between the value of fractions and areas within a square or a circle. After choosing to view squares or circles, a fractional...more
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This site provides visual experimentation with the relationship between the value of fractions and areas within a square or a circle. After choosing to view squares or circles, a fractional amount is created both in the chosen shape and on a number line. The goal is to create equivalent fractions in the shapes provided. Be sure to check out the instructor tab which gives suggestions for classroom use, exploration questions, correlating standards and textbooks, and suggestions for similar resources. Note that some of the instructions and prompts come up in small pop-ups. Be sure to watch for these in case they hide behind your main window.

tag(s): area (73), fractions (228)

#### In the Classroom

Provide students with a copy of the explorations worksheet provided in the instructors tab. Use this site to demonstrate different representations of fractions within different shapes and how the fractions are placed on number lines. Share this site on your interactive whiteboard or projector. Or use your interactive whiteboard to create a learning center for students to manipulate the site themselves. Provide a link on your classroom website or blog for students to practice at home.

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### TV411 - Math - Adult Literacy Media Alliance

4 to 12
TV411 offers lessons and games covering math topics from calculating area to reading a pay stub. Each lesson is offered in a slide format beginning with an introduction to the ...more
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TV411 offers lessons and games covering math topics from calculating area to reading a pay stub. Each lesson is offered in a slide format beginning with an introduction to the activity, followed by questions to answer. Upon answering questions, feedback is provided. If the answer was incorrect, an explanation of the correct solution is provided. The site also provides several math games practicing fractions, ratio, data, and percent. Spanish and ESL/ELL teachers will want to note that there is a small sample of lessons available in Spanish on the site. Many of the topics are also applicable in Family and Consumer Science or business classes, as well.

tag(s): charts and graphs (198), financial literacy (87)

#### In the Classroom

Share this site on your interactive whiteboard or projector as practice or review of current math topics. Provide a link to games on classroom computers for student practice. Spanish teachers may want students to complete a lesson in Spanish to provide real-world language practice. Share this site with parents through your classroom website or blog to provide review materials at home.

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### Longwood Central School District SMART Board Lessons - Longwood Central School District

K to 12
This is an extensive collection of ready to go, teacher-made SMART Notebook activities. This collection covers all grade levels and subject areas. Click Elementary, Middle School, Jr....more
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This is an extensive collection of ready to go, teacher-made SMART Notebook activities. This collection covers all grade levels and subject areas. Click Elementary, Middle School, Jr. High, or High School to find the many (MANY) resources). The topics vary greatly and the quantity is impressive. You must have Smart Board software installed on your computer to open these files. Some files will work using the SMART Notebook Express online viewer available here. (Download the notebook file from Longwood's collection to your desktop and then upload to SMART Notebook Express site.)

#### In the Classroom

These lessons are great for the new SMART Board user or the seasoned pro. Use these if you need a lesson but don't have time to create one from scratch. View the lessons and use them to help you create your own lesson. Click the different tabs to view the different grade levels. Please note that all of these activities require SMART Notebook software (which comes with SMART brand IWBs). Don't have SMART brand IWB's? Some files will work using the SMART Notebook Express online viewer available here. (Download the notebook file from Longwood's collection to your desktop and then upload to SMART Notebook Express site.) If you use a lesson, go to the staff directory under District Information -> Email Directory and send the creator a thank you. Think how great it would be to receive an email from a teacher "out there" thanking YOU for sharing?

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### Transtar - Manga High

6 to 12

Practice geometric transformations as you guide an alien across the cosmos and it searches for the mysterious core. As each level is achieved the transformations become more complex...more
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Practice geometric transformations as you guide an alien across the cosmos and it searches for the mysterious core. As each level is achieved the transformations become more complex beginning with reflections on a diagonal line and moving up to combining complex transformations. No login is required; however, teachers can create accounts and add student information to save scores. Be sure to check out the achievement section which lists math skills used in each level.

tag(s): rotation (12), transformations (18)

#### In the Classroom

Use this site on a projector or interactive whiteboard to discuss and informally assess prior knowledge as you start your study of geometric transformations. Assign as homework practice during your geometry unit.

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### Ramo Games - Ramo

K to 8

This site contains many educational games sorted by categories. The range of topics goes from Math to reading and much more. There are geography map activities, logic puzzles, Fire...more
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This site contains many educational games sorted by categories. The range of topics goes from Math to reading and much more. There are geography map activities, logic puzzles, Fire Safety, and much more! Apps are also included for iphone users to download. Activities are a compilation of Ramo's own content and different resources on the internet, and the site is updated regularly.

tag(s): keyboarding (40), logic (248), maps (298), puzzles (203)

#### In the Classroom

Save this site in your favorites on your classroom computer and use it as a center. Introduce the site on your interactive whiteboard or projector to demonstrate games students will use for specific content practice. This is definitely a link to provide on your class website or blog for students to access both in and out of school.

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### Cliff Notes Math Study Guide - Wiley Publishing

7 to 12
Understand basic math and algebra, as well as advanced math topics like calculus and statistics. These free CliffsNotes articles can help when you're doing math homework and taking...more
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Understand basic math and algebra, as well as advanced math topics like calculus and statistics. These free CliffsNotes articles can help when you're doing math homework and taking math tests. Articles begin with Algebra 1 and basic math skills and continue through Statistics and Trigonometry. Each article gives a written overview of the topic along with diagrams and charts. Each also contains a link on how to cite the article. Resources also include glossaries for Pre-Agebra, Geometry, and Statistics. Although the site is set up as a supplement to the familiar Cliff Notes books available as study guides, these materials are free and useful as resources in the math classroom. This site does include some unobtrusive advertisements.

tag(s): statistics (127)

#### In the Classroom

Share this site on your interactive whiteboard or projector as a supplement to resources used in the classroom for learning basic math skills. Use this site in English class as a lesson for citing internet articles. Share the site on your classroom website or blog for students to use as a resource when working at home. Have student groups make an online Stixy (reviewed here) of things they discover about math concepts and later rearrange the items to "explain" their topic to classmates visually.

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### Motivator - Big Huge Labs

K to 12

Create your own motivational posters easily and simply. Choose a random picture (one from Flickr or Facebook) or use one already on your computer. Choose colors and other options as...more
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Create your own motivational posters easily and simply. Choose a random picture (one from Flickr or Facebook) or use one already on your computer. Choose colors and other options as well as the type of text to be used. Enter your text and preview the result. Once complete, save to Flickr, your computer, or print. Remember you can use a saved image in PowerPoint shows and on a class wiki, as well as blogs and other sites.

tag(s): collages (18), images (278), photography (156), posters (40)

#### In the Classroom

Make sure students are aware of copyright laws. Use this site to encourage proper use of photographs that students have the authorization to use. Model including appropriate photo credits on the posters. Check out the Big Huge Labs educator account. Easily pre-register students to avoid creating logins, view and download their creations, and view the site advertisement free. You will find information about the Educator Account here.

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### Mathematics Glossary - Ron Blond

K to 12
This site offers a comprehensive glossary of math terms for all grade levels including animated applets demonstrating terms. You simply choose a grade level, then a word or term from...more
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This site offers a comprehensive glossary of math terms for all grade levels including animated applets demonstrating terms. You simply choose a grade level, then a word or term from the list to view a definition along with examples. Terms are divided by grade levels of 1-3, 4-6, 7-9, and 10-12. Searches can also be made alphabetically.

tag(s): vocabulary (321)

#### In the Classroom

This site would be great to have bookmarked/saved as a favorite as a resource when students need clarification of math terms. Use the applets on the site to help introduce or review math terms on your interactive whiteboard or projector. Share the site with students and parents to use at home to understand math terms and concepts.

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### Mathwords - Bruce Simmons

8 to 12
This website is designed for math students who need an easy-to-use, easy-to-understand math resource all in one place. It is a comprehensive listing of formulas and definitions from...more
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This website is designed for math students who need an easy-to-use, easy-to-understand math resource all in one place. It is a comprehensive listing of formulas and definitions from beginning algebra to calculus. The explanations are readable for average math students, and over a thousand illustrations and examples are provided. Terms can be searched alphabetically and by subject area. Multi-media entries are also identified separately - these include QuickTime movies, LiveGraphics3D, and JavaSketchpad. This site does include some unobtrusive advertisements.

tag(s): vocabulary (321)

#### In the Classroom

Use this site as a resource when math definitions are needed in class. Share this link on your class website for students to use at home as a resource. Use definitions from the site in math journals and notebooks. Have students investigate specific relevant terms and create multimedia presentations. Challenge students to create a talking avatar using a photo or other image (legally permitted to be reproduced). Have students use the avatars to explain complicated math terms in their own words. Use a site such as Blabberize (reviewed here)

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### A+ Click - A+click

1 to 12
This site offers practice with math and challenging problems for all grade levels. If you teach math to grades 1-12, this site is a MUST SEE. It contains a graduated ...more
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This site offers practice with math and challenging problems for all grade levels. If you teach math to grades 1-12, this site is a MUST SEE. It contains a graduated set of over 1,000 problems starting from very easy and working up to very difficult levels. Each problem contains a short description and an image to help visualize the problem. Problems adapt to the skill of the person answering problems, grade levels cannot be increased until 5 correct problems in a row have been solved. The tests concentrate on understanding, spatial reasoning, and problem solving rather than math rules and theorems.

tag(s): decimals (125), fractions (228), logic (248), operations (123), order of operations (40), test prep (98)

#### In the Classroom

Share this site on your classroom newsletter or blog for students to access at home. Introduce the site on your interactive whiteboard or projector then create a link on classroom computers. Challenge students to progress through different grade levels and share problems with the class.

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### Hitting the Target - Simon Jobling

2 to 5

Learn about angles through their uses in sports! Choose 1-4 players, type in your name and gender, then you are ready to get started. Activities include helping students estimate angle...more
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Learn about angles through their uses in sports! Choose 1-4 players, type in your name and gender, then you are ready to get started. Activities include helping students estimate angle size, learn vocabulary terms of angles, and measure angles by looking at their use in football, tennis, pool, and other sports.

tag(s): angles (87), measurement (175), sports (99), vocabulary (321)

#### In the Classroom

Create a link on classroom computers or in the computer lab for students to try this activity on their own or with a partner. Share the link on your classroom website or blog for practice at home. What a fantastic site to use to motivate students in the spring, when the weather gets warm, sports begin, and students want to be outside!

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### Homestyler - Autodesk

5 to 12

Homestyler is a free online interior design planner. Users choose a layout plan, add details such as doors, windows, and furnishings, and then decide on color schemes for interior decorating....more
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Homestyler is a free online interior design planner. Users choose a layout plan, add details such as doors, windows, and furnishings, and then decide on color schemes for interior decorating. Designs are viewable in both a 2D and 3D format. This is a free online program that requires no downloading. Registration does require an email address. This site may or may not be fully accessible inside your school filtering. Check to make sure all portions of this site are available when using your school's network. Homestyler does have a retail component that suggests certain name brands for appliances, and building supplies but the 3D designing capability outshines this form of advertising.

tag(s): architecture (84), area (73), design (88), volume (53)

#### In the Classroom

Users click and drag design components onto the main layout page. The free draw tool is a bit trickier to control but is similar to drawing tools in other programs. The perimeter measurement scrolls alongside the line you are drawing. The interface for such a complicated concept is intuitive. Students will need explicit instructions on how to operate this program.

Use an interactive whiteboard or projector to share the tutorial presentation and demonstrate how to use the design tools. Divide students into cooperative learning groups to explore the site. Consider this resource to help math students visualize how to compute the surface area of three-dimensional shapes and understand how area and volume change with scale. Social Studies and History teachers can ask students to re-create the interior of an early American home, Greek Temple or even their own classroom. With guidance, this could be a wonderful tool to help younger students understand interior mapping skills. Classrooms focusing on "real-world learning" may find this a valuable resource tool to help students create design plans for an alternative environment.

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### E-Lab Grade 3 - Harcourt School

2 to 4
Harcourt School's website offers many different activities for practicing Math skills taught in their 3rd grade program; however, the activities are free and useful for everyone, no...more
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Harcourt School's website offers many different activities for practicing Math skills taught in their 3rd grade program; however, the activities are free and useful for everyone, no matter what text they use. Activities are divided by math strands - number sense, algebra and functions, measurement and geometry, and statistics, data analysis and probability. Most activities have an interactive element and printable recording sheet that can be used by students. Students can input their own figures which makes the activities less repetitive and more interesting.

tag(s): data (161), multiplication (211), probability (141), time (141)

#### In the Classroom

Make a shortcut to this site on classroom computers and use it as a center. Use this site to differentiate for students of all levels. Have students complete the recording sheet with an activity to use as an assessment or accountability piece. Include a link to the site on your classroom website or blog for students to practice at home.

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### Math By Design - Thinkport

6 to 10

Put On Your Thinking Cap as you enter Flossville Town Park and Windjammer Environmental Center! Students are encouraged to think critically and problem solve as they encounter unique...more
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Put On Your Thinking Cap as you enter Flossville Town Park and Windjammer Environmental Center! Students are encouraged to think critically and problem solve as they encounter unique geometry and measurement challenges at this highly interactive website. How does it work? As students work through the tasks, they can access hints to help them along. These hints are brief math tutorials with explanations and examples. At any time, students may check their work to get feedback on how they are progressing. When students successfully complete a task, they are asked to "Make the Math Connection." This additional question was designed to reinforce students' knowledge of the math concept and provide another opportunity for students to apply their knowledge. Students can sign in to save their work. No email address is required to sign-in/register. Registering is especially helpful if a planned project takes several days. Students can also view "Math in Action" videos to see how people such as architects and cake designers use geometry and measurement concepts everyday in their jobs.

Be sure to visit the Teacher Resources section which includes standards, lesson plans, tips, and math in action videos.

tag(s): critical thinking (120), measurement (175), problem solving (294)

#### In the Classroom

Introduce the site on your interactive whiteboard or projector then allow students to explore on their own. This site is perfect for independent projects - students can create a multimedia presentation of information learned through the challenges, respond through journal entries over several days, or use this site as a resource day for career day projects. Include a link on classroom computers for students to use during free time.