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## 393 geometry results | sort by: Most Recent First Alphabetical Most Viewed First

### Comparison Estimator - Shodor

3 to 8

This site offers practice in estimating skills through different visual comparisons. Problems are available in counting, length and area. Two comparisons are shown and then selection...more
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This site offers practice in estimating skills through different visual comparisons. Problems are available in counting, length and area. Two comparisons are shown and then selection will be made based on the question posed with the problem. Hints are available and there are two different levels of difficulty available. Tabs are also included with information for the learner, activity help, and information for instructors. Be sure to check out the information for instructors which include suggestions on how to use in the classroom, an activity sheet, links to standards, and other similar resources.

tag(s): estimation (47), problem solving (294), test prep (94)

#### In the Classroom

Print the exploration questions found on the instructor tab for students to complete. Display activities on your interactive whiteboard or projector as a 5 minute time filler to practice estimation skills.

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### Fuel the Brain

K to 5

Check out this highly interactive site that offers a wealth of math activities, printables, and more for elementary students of all ages. Students will enjoy the many different Math...more
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Check out this highly interactive site that offers a wealth of math activities, printables, and more for elementary students of all ages. Students will enjoy the many different Math games such as Fact Worms (basic facts), A Lucky Place (place value), and Jelly Golf (fractions). Main topics include: Counting & Cardinality, Number & Operations, Operations & Algebraic Thinking, Measurement & Data, and Geometry. Interactives may be used without registering on the site; however, registration allows scores to be compiled and posted against other players. Be sure to check out the interactives such as Venn Diagrams as well as printables, teacher's guides, articles and seasonal resources. Activities have also been matched up to North Carolina Mathematics Standards.

tag(s): fractions (231), money (184), numbers (191), preK (284), puzzles (205)

#### In the Classroom

The interactives are perfect to use on interactive whiteboards or projectors. Use activities as an introduction to new units such as making change, counting on the number line, or recognizing numbers shown with base 10 blocks. Save this on your desktop on all of your classroom computers. List this link on your classroom website or blog. This is excellent enrichment and/or advancement for gifted students. It could also be used for extra practice for struggling students. This site is definitely one to save and revisit often.

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### Harvey's Homepage - Harvey Almarode

K to 12

This is a one stop shop for SMART Board (interactive whiteboard) math lessons. All information and activities found on this site have been created by the site's owner Harvey Almarode...more
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This is a one stop shop for SMART Board (interactive whiteboard) math lessons. All information and activities found on this site have been created by the site's owner Harvey Almarode a retired education professor from James Madison University. The site contains pre-made SMART lessons, web resources and links to SMART professional development. Lessons can be found and downloaded on all math topics.

These lessons are created for the SMART Board so SMART Notebook software is needed to run the lessons. If you don't have SMART Notebook the lessons can be viewed using SMART Notebook Express found at http://express.smarttech.com/#. The site also sells a flash drive with the lessons loaded on it, but you don't HAVE to buy anything.

tag(s): puzzles (205), riddles (16)

#### In the Classroom

If you have a SMART Board and you teach math, you will want to download these lessons. Use the lessons to make your teaching more interactive and meaningful. Use the lesson in a whole group setting or load them on classroom computers and use them as centers. Be sure to check out the professional development link to learn more about SMART Board use.

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###### More

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 (294)

#### 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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### 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 (127), 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-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 (231), 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 (247), measurement (179), problem solving (294)

#### 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 (294)

#### 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 (127), fractions (231), percent (80), ratios (63)

#### 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 (247)

#### 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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### 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 (231), 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 (127), fractions (231)

#### 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 (127), fractions (231), 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.