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3 to 12

This applet provides great opportunities to explore experimental and theoretical probabilities by changing the area of the colored regions of the circle. When a section is added it...more
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This applet provides great opportunities to explore experimental and theoretical probabilities by changing the area of the colored regions of the circle. When a section is added it reduces the other sections by an equal amount in order to add the new sector. When this occurs, the probability that that particular color will be landed on will change. The number of sections of the circle can be changed from 1 to 12, as each spin is made, the color is recorded along with the percentage of time each color has appeared.

Be sure to visit the learner section of the site which contains a nice description of probability and how it is used in the real world. The instructor section also has a lot of valuable information including links to standards and textbooks, classroom information, and related resources. In addition, there is a link to a printable sheet of exploration questions to be used with the site.

tag(s): probability (135), statistics (125)

#### In the Classroom

Introduce this site on your interactive whiteboard or projector. Then have students explore this site independently or in small groups to complete the exploration questions. Create a link on classroom or lab computers for students to explore the site independently. Create a link on your classroom website or blog for students to explore the site at home. Have students create their own probability circles and record results of spins, then compare with classmates' findings.

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### Tessellate! - Shodor

3 to 12

This site provides practice with creating and exploring tessellations. Choices are provided to use triangles, rectangles, or hexagons. Once a shape is chosen, the corner can be stretched...more
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This site provides practice with creating and exploring tessellations. Choices are provided to use triangles, rectangles, or hexagons. Once a shape is chosen, the corner can be stretched to create a new shape. Click a button and that shape is converted into a tessellation in front of your eyes! Choices are also provided for different colors within the shapes to enable visualization of how the pattern is created.

The learner portion of the site provides a written explanation of tessellations and information on how they are found in the real world. Be sure to visit the instructor link on the website for information on classroom use, links to standards, links to similar resources and to print an exploration questions worksheet.

#### In the Classroom

Use this site as an anticipatory set or "activator" to introduce a unit or lesson on tessellations on a projector or interactive whiteboard. It relates well during study of flips, turns, and rotations as well as visual thinking. Introduce this site and then have students complete the exploration questions independently or in small groups. After students become familiar with tessellations, use examples on the site and have students create their own tessellations.

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### Shape Builder - Shodor

3 to 12

This site provides practice with exploring area and perimeter by either allowing the computer to randomly draw a shape on a grid or by creating a space of your own ...more
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This site provides practice with exploring area and perimeter by either allowing the computer to randomly draw a shape on a grid or by creating a space of your own on the grid. Choices are given to allow for questions about area or perimeter, or for both. To check an answer, simply click on the "check answer" button for immediate feedback. Sessions can be scored, or scoring can be turned off to allow for easier exploration. The learner portion of the site provides a quick explanation of how objects can have similar areas but much different perimeters. The instructor portion provides links to standards, some textbook links, a printable with exploration questions, classroom discussion information, and links to similar resources.

tag(s): area (71), perimeter (29)

#### In the Classroom

Introduce this site on your interactive whiteboard or projector. Then have students explore this site independently or in small groups to complete the exploration questions provided on the site. Have students create their own representations similar to the ones found on the site to be solved by classmates. Create a link on classroom computers to be used as a center. Create a link on your classroom website or blog for students to practice at home.

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### Math Solutions - Math Solutions

K to 12

This site provides many resources for math teachers of all grades and includes lesson plans, articles, classroom and administrator questions and answers, and helpful links - all located...more
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tag(s): problem solving (292)

#### In the Classroom

Take advantage of the free lesson plans; also search for plans in grades higher and lower that can be modified to meet your students' needs. Display student work included with the lesson plans on your interactive whiteboard or projector as conversation starters in your classroom - allow students to discuss other students' work to increase understanding of concepts.

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### Pyramid Panic - Manga High

6 to 12

This site provides good practice for higher level geometry skills, such as applying formulas, Pythagorean theorem, and other knowledge to find the area of geometric shapes. The idea...more
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This site provides good practice for higher level geometry skills, such as applying formulas, Pythagorean theorem, and other knowledge to find the area of geometric shapes. The idea of the activity is that the player is a mummy who has been prematurely entombed in a pyramid and must find his way out by solving geometry puzzles and building a path across the voids in the building. No registration is required on the site; however, teachers may create a free account to add student information and save scores. Be sure to check out the Achievements section that provides information on math skills practiced in the game.

tag(s): pythagorean theorem (33)

#### In the Classroom

Introduce this site on your interactive whiteboard or projector and have a student navigate a demonstration. Then have students explore this site independently or in small groups. Provide this link on your class website for students to access at home. Consider setting up an account to use the site as a formative assessment during geometry units.

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### Math League Help - Math League

4 to 8
This site has been created as a resource for 4th to 8th graders. A list of math concepts is offered with links to resources. Topics include whole numbers, decimals, data, ...more
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This site has been created as a resource for 4th to 8th graders. A list of math concepts is offered with links to resources. Topics include whole numbers, decimals, data, fractions and many more. After choosing a topic such as whole numbers, you are linked to a comprehensive list of topics within that strand. Each topic includes a detailed explanation often including illustrations and examples. This site is virtually an online dictionary of math topics covered in 4th-8th grade.

tag(s): decimals (125), integers (40), percent (80), statistics (125)

#### In the Classroom

Display on the interactive whiteboard or projector when introducing or reviewing content in mathematics. Provide this link on your class website for students to use at home if they get confused on a particular math concept.

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### Math Interactives - Utah Education Network

7 to 12

Find great math resources on this free site on countless topics. Click each resource to find sites useful on individual computers or projected on a whiteboard screen. Be sure to ...more
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Find great math resources on this free site on countless topics. Click each resource to find sites useful on individual computers or projected on a whiteboard screen. Be sure to test out each interactive prior to using with a class, as some require Flash or other programs. Find great games about Numbers and Operations, Algebra, Geometry, Probability, and Money. Though these interactives are labeled for grades 7-12, several can be used by K-5 teachers i.e. the number line interactives. Be aware of the icons next to the resource for the required plug ins to use. click on an activity and then explore the tabs above. Click the "Learner" tab to view information about the topic. Click "Help" for information on how to use the activity. Find resources in the "Instructor" tab. There is a wealth of material here, so be sure to check it out!

tag(s): data (155), money (184), numbers (191), probability (135)

#### In the Classroom

Use these resources for review and to reinforce concepts from class. Create teams of students who complete the activity taking turns on a whiteboard or with individual computers. Use the activity as a lead in to the topic of the day. Ask students what they notice about the activity and the general rules that they notice about the topic. Provide this link on your class website for students to use at home for extra practice, enrichment, or to try some new advanced topics.

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### Math-a-rama - Houghton-Mifflin

K to 6
Practice math skills painlessly with this multi-level playground of interactive activities which coincides with the Houghton Mifflin Math textbooks. Students can select the appropriate...more
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Practice math skills painlessly with this multi-level playground of interactive activities which coincides with the Houghton Mifflin Math textbooks. Students can select the appropriate grade level (K-6) and begin to explore the offerings - ranging from collections of virtual manipulatives to brainteasers to test-taking strategies. Most links (playground activities) bring up a list of topic areas to choose from. Even if you don't use Houghton-Mifflin in your classroom, this is a great resource for additional practice, interactives, and more.

tag(s): fractions (229), integers (40), manipulatives (25), money (184), probability (135), test prep (94)

#### In the Classroom

Share the virtual manipulatives on your interactive whiteboard or projector. Be sure to list this link on your class website for students to access both at home and in the classroom. If you are going to use this site as a math learning center, put direct shortcuts to activities on your computers. Have older students create their own brain teasers and share them on your class wiki. Not comfortable with wikis? Have no wiki worries - check out the TeachersFirst's Wiki Walk-Through.

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### Mathematics from Houghton Mifflin - Houghton Mifflin

1 to 6
Houghton Mifflin's Kids page offers activities linked to textbook chapters (from Houghton Mifflin's Mathematics), brain teasers, and a section on test-taking strategies that features...more
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Houghton Mifflin's Kids page offers activities linked to textbook chapters (from Houghton Mifflin's Mathematics), brain teasers, and a section on test-taking strategies that features tips specific to math problems. Be aware some of the interactives require an older version of Shockwave. So test out the site before sharing it with your students.

#### In the Classroom

This site would be especially useful for teachers using the textbook, but the activities have general applicability as well. If you use this series, be sure to share this link on your class website for students to use at home for additional practice. All activities could be used in any elementary math class. Use your interactive whiteboard or projector to share a daily brainteaser appropriate for your grade level. Have students work with a partner to solve the brainteasers and create their own.

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### Maths is Fun - Rod Pierce

3 to 9

Math is Fun when you visit this website that is loaded with games, activities and much more! Math activities are divided into topics such as Algebra, Data, Games, Dictionaries, Worksheets,...more
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Math is Fun when you visit this website that is loaded with games, activities and much more! Math activities are divided into topics such as Algebra, Data, Games, Dictionaries, Worksheets, and more. After choosing a topic there are several choices for appropriate activities within the category. The teachers page has links to many virtual manipulatives, puzzles, speed math and other classroom activities. All activities contain an explanation and solution to the puzzle. Although this site may appear as another "drill and kill" site, is also has a lot of extra features and activities included. If you are a math teacher, this is definitely a site worth taking a look at.

tag(s): logic (246), measurement (179), problem solving (292)

#### In the Classroom

Use the teacher's page on the interactive whiteboard or projector to demonstrate math concepts such as symmetry, tessellations, and basic algebra concepts. Assign activities and games to students and let them become the expert in one topic. Use the illustrated math dictionary provided on the site as an example and create a class math dictionary of concepts learned. Have students share their new math term on the class wiki. Not comfortable with wikis? Have no wiki worries - check out the TeachersFirst's Wiki Walk-Through. This may also be a site that you want to include on your class website for students to use both in and out of the classroom.

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### Coordinate Geometry - SmartTutor

3 to 8

Solve the puzzle of the Narthex Stone through this game that practices coordinate geometry. A narrated demonstration shows you how to move the jeep along the coordinates to the identified...more
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Solve the puzzle of the Narthex Stone through this game that practices coordinate geometry. A narrated demonstration shows you how to move the jeep along the coordinates to the identified points. The player is then given a point to locate, the key is to find the correct point without bumping into objects located along the way. Both positive and negative coordinates are included. As correct points are located, pieces of the stone are collected. Incorrect responses receive feedback to try again. Also included are lesson objectives and vocabulary included.

tag(s): problem solving (292)

#### In the Classroom

Demonstrate coordinate points on the interactive whiteboard or projector using this game or activity. The jeep is moved by clicking along the correct direction so terms of north, south, east and west can be reviewed. What a fabulous way to connect math and basic geography skills! Take this one step further and use this as an introduction to longitude and latitude and how to plot exact locations on a map using map coordinates.

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### Shmoop Pre-Algebra beta - Shmoop University

4 to 9
Shmoop Pre-Algebra offers students an overview of basic operations, basic geometry, fractions, decimals, ratios, percentages, probability, and algebra including terms and additional...more
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Shmoop Pre-Algebra offers students an overview of basic operations, basic geometry, fractions, decimals, ratios, percentages, probability, and algebra including terms and additional websites. Interactives follow many topic overviews. The easy user interface will make it a favorite for students, though it is text-heavy in places.

tag(s): decimals (125), fractions (229), percent (80), ratios (62)

#### In the Classroom

Add the site to your classroom computers' favorites (and a link on your class website) for students to use from home or when they need to review pre-algebra topics. Use the games as a classroom activity on an interactive whiteboard to test student knowledge or to prepare for a test. Use the summaries yourself to help organize your presentation of the content. Students can create accounts on Shmoop to access more features, but the site is very useful even without an account.

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### Tangram House - Andrey Orlov

2 to 8
Tangrams are a form of old Chinese puzzles that provide the opportunity for developing spatial sense and problem solving skills. Tangram House provides choices of tangram puzzles to...more
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Tangrams are a form of old Chinese puzzles that provide the opportunity for developing spatial sense and problem solving skills. Tangram House provides choices of tangram puzzles to solve using the seven basic pieces that form a square. Hints can be turned on for beginning users. Be sure to click on the Help and Settings icon to learn more about how to flip, turn, and rotate the tangram pieces.

tag(s): tangrams (13)

#### In the Classroom

Introduce on your interactive whiteboard or projector when beginning a geometry unit on shapes and vocabulary such as turn, flip and rotation. Challenge students to discuss how shapes are moved to form tangrams. Provide this link on your class website for students to use at home. This site is great for younger gifted students!

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### Measurement Tools - Angles - SmartTutor

4 to 6

Dudley Dog is looking for his buried items and it is up to you to find them. Using a protractor, you will find the correct angle of the item based ...more
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Dudley Dog is looking for his buried items and it is up to you to find them. Using a protractor, you will find the correct angle of the item based upon location from his doghouse to help return the items. A narrated demonstration begins the activity to explain how to use the protractor and locate the angle. If the incorrect angle is given, the player can try again. If the correct angle is given, Dudley digs up his buried treasure. You can also click on a link to review the definitions for protractor and vertex. Learning objectives and covered vocabulary is presented before the start of the game.

tag(s): angles (87), measurement (179)

#### In the Classroom

Demonstrate the use of a protractor on your interactive whiteboard or projector with this activity. Challenge students to guess the angle before measuring with the protractor. Assess understanding of acute and obtuse angles through students' estimates of angles.

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### Shape Trails - SmartTutor

1 to 4

The goal of this game is to move the provided shape to the chest along a trail in as few moves as possible. Once the chest is reached, rotate the ...more
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The goal of this game is to move the provided shape to the chest along a trail in as few moves as possible. Once the chest is reached, rotate the shape correctly to open the chest to receive the prize inside. You choose the path to follow, and difficulty is increased as each level is reached. In addition to moving the shape along the path correctly, you will have to know the degree of the angle the shape will have to turn to go inside the chest. The activity begins with a narrative and demonstration showing how to play. Several geometric definitions are available by clicking the book link within the game.

tag(s): logic (246)

#### In the Classroom

Practice vocabulary of geometry terms by allowing students to play the game, as they reach each level, challenge them to define terms such as rotation, reflection and translation. Set up the activity at a computer center to practice logic and problem solving skills. Challenge students to create their own map with a path for other students to play.

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### Math Wizz - the Statistician

6 to 12

Mathwizz.com provides help with many math related topics ranging from arithmetic to decimals to financial math. Interactive calculators allow students to test their own knowledge. Brief...more
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Mathwizz.com provides help with many math related topics ranging from arithmetic to decimals to financial math. Interactive calculators allow students to test their own knowledge. Brief lessons or descriptions provide simple explanantions to various concepts.

tag(s): calculators (40), decimals (125), fractions (229)

#### In the Classroom

Use this site as an informal assessment by having students complete a number of questions and then report their results to you. Many of the tests will require additional paper for solving problems. This activity would work well for individuals or pairs of students in a lab or on laptops, and would also be a great way to have a team competition as students use the site on an interactive whiteboard and try to solve problems.

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### Common Core State Standards - Common Core State Standards Initiative Team

K to 12

The Common Core State Standards Initiative is a nationwide effort led by the National Governor's Association and the Council of Chief State School Officers to establish a common set...more
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The Common Core State Standards Initiative is a nationwide effort led by the National Governor's Association and the Council of Chief State School Officers to establish a common set of educational standards which aligns benchmarks and expectations across state lines. This system builds on what states are already doing by providing an opportunity to share experiences, best practices, and lessons, while maintaining high expectations that insure the quality of education across America to enable our students to maintain a competitive edge in the global economy.

Visit this website to find out exactly what the national K-12 standards are for English language arts and literacy in history/social studies, science and technology, as well as mathematics, and to find out if your state is one many states (at the time of this review) that have already committed to adopt the Common Core State Standards. Watch videos and the recorded webinar, and read about the key points and rigorous curriculum standards, including the content and skills related to the use of media and technology for critical analysis and production.

tag(s): commoncore (89)

#### In the Classroom

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### XP Math - T. L. Hui

K to 9

XP Math offers a wide variety of math interactives organized by NCTM math strands. There are countless activities on the topics of numbers & operations, algebra, geometry, measurement,...more
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XP Math offers a wide variety of math interactives organized by NCTM math strands. There are countless activities on the topics of numbers & operations, algebra, geometry, measurement, data analysis, and probability. Activities are user friendly and use vibrant graphics. Registration is free, but not required for game play. This site also includes a section detailing how math is used in different professions in addition to worksheets and other helpful resources for teachers and students.

tag(s): coins (7), fractions (229), measurement (179), mixed numbers (14), multiplication (209), order of operations (40), prime numbers (31), volume (53), whole numbers (16)

#### In the Classroom

Have students try these interactives on a math game day. To prepare for standardized testing, have students play one or two games from each strand and then have them describe what kind of problems fall under each strand. Ask students to identify strong and weak strands. Students can practice more of the activities in their weaker strands. Be sure to list this site on your class website so students can access the site both in and out of the classroom.

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### Basic Mathematics - Jetser Carasco

K to 8

Basic Mathematics is designed to help students and adults with the basic understanding of mathematics concepts and operations. Instructions follow a sequential logical order and concepts...more
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Basic Mathematics is designed to help students and adults with the basic understanding of mathematics concepts and operations. Instructions follow a sequential logical order and concepts are presented in clear, simple terms. Advertisements can be distracting.

tag(s): decimals (125), fractions (229)

#### In the Classroom

Assign students topics to teach to classmates. Have students use these sequential instructions as an outline or starting point for how to teach a topic. Students can create multimedia presentations to help their classmates learn. Have your students create an interactive online poster using Lucidpress, reviewed here. Challenge students to create a video and share using a site such as SchoolTube, reviewed here.

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### Math Play - Doina Popovici

K to 8

Math Play offers a wide variety of fun (and educational) interactives. Most activities are suitable for elementary and middle grades. They are organized by grade level, content, and...more
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Math Play offers a wide variety of fun (and educational) interactives. Most activities are suitable for elementary and middle grades. They are organized by grade level, content, and game type. In addition to being kid-friendly and engaging, kids will enjoy the animation and bright colors. The advertisements are a bit of a distraction.

tag(s): addition (224), decimals (125), fractions (229), subtraction (186)

#### In the Classroom

A great website for a math game day due to the variety of concepts and levels. Use these activities as an informal assessment by observing students as they engage. Try using an interactive whiteboard to encourage friendly competition when students individual laptops are not available.