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### MathABC - MathABC.com

K to 7

Don't miss this incredible wealth of math information! Find activities divided up by grade level, including instructional videos. Use the instructional videos to learn the skills required...more
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Don't miss this incredible wealth of math information! Find activities divided up by grade level, including instructional videos. Use the instructional videos to learn the skills required for each practice. Choose Kindergarten through sixth grade by clicking the Practice button. Then, pick a particular skill at that grade level. Each skill (such as Addition, Subtraction, Time, Fractions, Measures, etc.) has multiple practice activities that are rated by difficulty with stars. Increase the difficulty by starting with one-star items and working towards the five-star items. Click on instructional video if you get stuck to view a screencast video of how to solve the problems. These videos are hosted on YouTube. If your district blocks YouTube, the videos may not be viewable. You could always view the videos at home and bring them to class "on a stick" to share. Use a tool such as Tube Offline, reviewed here, to download the videos from YouTube.

tag(s): addition (224), decimals (125), division (159), fractions (229), measurement (178), money (184), multiplication (209), numbers (194), percent (81), subtraction (186), time (138)

#### In the Classroom

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### YUUreka Mathematics Common Core Resources - Wesley Yuu

K to 12

YUUreka Mathematics offers a list of downloadable documents in PDF and Word format designed to help educators gain a better understanding of Common Core Math Standards. View documents...more
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YUUreka Mathematics offers a list of downloadable documents in PDF and Word format designed to help educators gain a better understanding of Common Core Math Standards. View documents for standards progression across grade levels. Find suggested manipulatives by grade level. The documents can be printed on to card stock for easy use.

tag(s): commoncore (89), professional development (160)

#### In the Classroom

Bookmark and save this site for resources as you implement Common Core Standards. Share with colleagues during professional development sessions. Explore the manipulative suggestions. If you don't have the materials available in your classroom, consider asking parents to send in donations.

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### Common Core: ND Curriculum Initiative - North Dakota Curriculum Initiative

K to 12

The North Dakota Curriculum Initiative offers this informative site containing many downloadable documents. Use these documents when implementing and planning ELA (English/Language...more
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The North Dakota Curriculum Initiative offers this informative site containing many downloadable documents. Use these documents when implementing and planning ELA (English/Language Arts) and Math Common Core Standards in all grades. Choose from grade level links to begin browsing available content. Choose from lists of standards, lesson and unit plans, pacing calendars, and much more.

tag(s): commoncore (89), professional development (160)

#### In the Classroom

Share the Parents Guide with parents at Open House to introduce them to Common Core ideas and guidelines. Use information and resources on the site to supplement your current lesson ideas and planning tools. Use unit and yearly pacing guides as a guideline for planning. Share these resources with colleagues during professional development sessions.

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### Core Learning Free Math Resources - Core Learning

5 to 10

Core Learning offers a small, but useful variety of math resources for several different math topics. Choose from demonstrations on fractions, decimals, and more. Explore print reference...more
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Core Learning offers a small, but useful variety of math resources for several different math topics. Choose from demonstrations on fractions, decimals, and more. Explore print reference materials such as glossaries of terms or reference guides to measurement.

tag(s): decimals (125), fractions (229), geometric shapes (169), measurement (178), multiplication (209), percent (81)

#### In the Classroom

Although the list of resources is fairly small, many of the offerings are very high quality materials useful for many classroom purposes. Print glossaries for students to include with math notebooks for reference throughout the year. View demo lessons on your interactive whiteboard (or projector) and share the link for students to view at home. Print and display reference materials on classroom bulletin boards. This site would be perfect for the math teacher looking to try Flipping their classroom. There are very professional looking lessons and quizzes. Each lesson has audio and text explaining the concept and click-able choices for topic and vocabulary. Put a link to this site on your class website for parents to use.

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### Inspirograph - Nathan Friend

2 to 12
Remember playing Spirograph as a kid? Now you can create and play online with Inspirograph! Choose from fixed and rotating gears, and then change the size of the gears. Change ...more
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Remember playing Spirograph as a kid? Now you can create and play online with Inspirograph! Choose from fixed and rotating gears, and then change the size of the gears. Change the background and pen colors using the toolbar. Click on the + sign to personalize colors. Be sure to view the gallery of saved designs for lots of inspiration when beginning. Click the download icon to save images to your computer.

tag(s): angles (87), critical thinking (118), gifted (82), problem solving (294)

#### In the Classroom

Use Inspirograph to create fascinating art and to explore math concepts. Have students experiment with different gear sizes (both fixed and rotating) and explain changes. Design a table for students to map out findings such as number of points made when using different gear sizes. Find patterns between the fixed circle sizes and the number of points generated. Work collaboratively with other groups of students to create and answer questions about spirograph designs. Identify the various shapes created.

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### West Contra Costa Unified School District Mathematics Center - West Contra Costa Unified School District

K to 12

The Mathematics Center is an excellent site full of mathematics teaching resources aligned to Common Core Standards. Choose options from the menu on the home page such as lessons, videos,...more
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The Mathematics Center is an excellent site full of mathematics teaching resources aligned to Common Core Standards. Choose options from the menu on the home page such as lessons, videos, applets, and Common Core resources. Links lead to offerings sorted by grade level and topic. Most content is available for easy download in PDF format. Be sure to check out the parent guides available in both English and Spanish.

tag(s): area (71), decimals (125), division (159), equations (153), exponents (44), fractions (229), functions (69), numbers (194), perimeter (29), quadratics (30), rounding (19), subtraction (186), video (272)

#### In the Classroom

Bookmark and save this site for math Common Core resources throughout the school year. Share parent guides to help parents understand teaching strategies and techniques. Explore the many general mathematics resources for classroom use. Be sure to share with other math teachers in your building and district.

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### Annenberg Learner - The Annenberg Foundation

K to 12

The Annenberg Learner Foundation's goal is to advance excellent teaching in American schools. Annenberg Learner's multimedia resources help teachers increase their expertise in their...more
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The Annenberg Learner Foundation's goal is to advance excellent teaching in American schools. Annenberg Learner's multimedia resources help teachers increase their expertise in their fields and improve teaching methods in all grade levels in all subjects. There are video resources for all subject areas. Find lesson plans for all subjects by grade level. A variety of interactives accompany lessons or can also stand alone. Follow the monthly updates and blogs for the latest information.

tag(s): art history (81), butterflies (11), conversions (28), critical thinking (118), dna (64), earth (223), environment (322), geometric shapes (169), immigrants (22), medieval (27), native americans (80), patterns (86), periodic table (51), renaissance (32), rocks (52), russia (35), south africa (12), spelling (166), statistics (126), volcanoes (67), weather (205)

#### In the Classroom

In your classroom, explore the interactives available to enhance your lessons. Use the lesson plan library to add a new twist to your subject matter. Organize a professional study of your area of concentration for your department or grade level.

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### Corbettmaths - Mr. Corbett

4 to 12

This fabulous UK site offers many resources for math practice and instruction. Choose the Videos and Worksheets section to find a large list of topics sorted alphabetically including...more
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This fabulous UK site offers many resources for math practice and instruction. Choose the Videos and Worksheets section to find a large list of topics sorted alphabetically including instructional videos and practice questions. Many also include corresponding textbook exercises. Choose 5-a-day to find another large selection of printables for daily review, choose from three different levels for each date. (U.S. users will need to "translate" the 5-a-day letter equivalents to find approximate grade levels; count backwards from grade 12 being "A.") Conundrums for each day of the year provide short, daily brainteasers ready to print and use. Don't miss the Great Maths Bakeoff, a terrific idea for Pi Day! This site was created in the UK. American English speakers will notice slight spelling differences and use of English currency. There is also mention of Key Stages 3, 4, and 5. In America, these stages equate to Ages 11-14 (Stage 3), Ages 14-16 (Stage 4), and Ages 16-18 (Stage 5). Some of the videos are hosted on YouTube. If your district blocks YouTube, the videos may not be viewable. You could always view the videos at home and bring them to class "on a stick" to share. Use a tool such as Online-Convert, reviewed here, to download the videos from YouTube.

tag(s): addition (224), angles (87), charts and graphs (197), coordinates (30), decimals (125), division (159), equations (153), estimation (47), fractions (229), geometric shapes (169), inequalities (25), mean (26), measurement (178), median (23), mode (16), multiplication (209), probability (137), problem solving (294), pythagorean theorem (33), quadratics (30), sequences (15), square roots (20), subtraction (186), time (138), transformations (18), volume (53)

#### In the Classroom

Use printables and worksheets from Corbettmath for homework, review, and reinforcement of any math concept. View videos together and have students complete practice questions. Create a link to YouTube videos on your class website or blog for students to view at home. Use this site to differentiate for students of all levels. Share this site as a way to review before tests.

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### Irregular Shapes Interactive - ASSET ASU

4 to 8

This Active Tutorial will help you understand composite/irregular shapes. Watch and listen to helpful hints from a cartoon turtle. Then practice problems on your own. Use the Menu to...more
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This Active Tutorial will help you understand composite/irregular shapes. Watch and listen to helpful hints from a cartoon turtle. Then practice problems on your own. Use the Menu to follow the different steps along the way to Look, See, Try, and Show different examples. Find formulas for finding the area of different shapes, and try using that information to find the volume of 3D shapes.

tag(s): area (71), geometric shapes (169), volume (53)

#### In the Classroom

This interactive is perfect for use on your interactive whiteboard or projector. View tutorials and practice problems together. Be sure to include a link to the site on your class website for students to access at home. After completing these interactive activities, have students create their own area and volume problems for classmates to solve. They could write them as blog posts and have classmates reply with their answers as comments. Want to learn more about blogs? Check out TeachersFirst's Blog Basics.

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### Flying Classroom - Flying Classroom

K to 9

Join a journey to eleven countries and three continents as part of a global STEM learning adventure aligned to Next Gen and Common Core Reading standards. The site navigation itself...more
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tag(s): aircraft (25), animals (320), architecture (84), ecosystems (91), endangered species (41), flight (32), oceans (166), STEM (193), volcanoes (67), weather (205)

#### In the Classroom

Incorporate this expedition into your units on continents, exploration and explorers (to compare modern exploration with historic expeditions), or science units on flight, energy and more. See the Blog for specific scientific explorations your students can read in groups or as a class. Include this resource in a unit on scientists and what they do. Include some of the readings as informational texts that will generate high student interest. This is a great resource for your gifted students in a regular classroom to extend curriculum and share what they have learned with classmates. For more background for teachers, see the Executive Summary under "About." Have students use a class account to create maps using Animaps, reviewed here. Students can add text, images, and location stops! Middle school students can use Fakebook, reviewed here, to create a "fake" page similar in style to Facebook about any of the people on Captain Barrington's journey.

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### Solve My Math - solvemymath.com

5 to 12

Solve My Math offers a wide selection of math calculators, games, and information for all different levels of math. Use the drop down box to choose a math category such ...more
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Solve My Math offers a wide selection of math calculators, games, and information for all different levels of math. Use the drop down box to choose a math category such as general math or complex numbers and trig. Some calculators offer only a solution while others show step by step ways to obtaining answers. Choose Math Courses for a basic overview of math content sorted by topic. The Math Games section offers games for learning basic math skills. Spend time exploring how the site is organized so you can avoid clicking the ads!

tag(s): addition (224), calculators (39), charts and graphs (197), decimals (125), division (159), fractions (229), numbers (194), probability (137), statistics (126), subtraction (186)

#### In the Classroom

Use calculators on the site to solve math problems. Show students how to find the appropriate calculator while avoiding the many ads. Ask students to demonstrate the problem solving process but use this site as a self-check. Share a link to Solve My Math on your class website for students to access at home. Create a link to games/interactives on classroom computers for use as a math center.

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### Cool Kid Facts - CoolKidFacts

1 to 7

Visit Cool Kid Facts to find information for just about anything in this world or even out of this world! Select from Geography, History, Science, Animals, and Human Body. There...more
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Visit Cool Kid Facts to find information for just about anything in this world or even out of this world! Select from Geography, History, Science, Animals, and Human Body. There are also topics in the right menu on the home page that range from Albert Einstein to Volcanoes and nearly everything else you can think of (alphabetically) in between. There are articles, videos, pictures, and quizzes, too. The videos are from various outside sources and are hosted on YouTube. If your district blocks YouTube, they may not be viewable. You could always view the videos at home and bring them to class "on a stick" to share. Use a tool such as Tube Offline, reviewed here, to download the videos from YouTube.

tag(s): animals (320), australia (37), brain (66), china (65), deserts (18), earth (223), egypt (64), greek (41), heart (40), human body (133), italy (15), magnetism (39), mars (41), mexico (32), moon (75), newton (25), photosynthesis (33), rainforests (21), rome (25), sun (69), tornadoes (17), tsunamis (18), volcanoes (67)

#### In the Classroom

Share this site with students on your interactive whiteboard (or projector) and show them all the different subjects available. Challenge students to find a topic about which they know nothing (or barely anything). This site will give them experience reading informational text on a topic they wonder about. Partner weaker readers with others who may be able to help them read the text-heavier articles. Have students read and research individually or in small groups taking notes using a simple graphic organizer from 25 Language Arts Graphic Organizers, reviewed here. Use this opportunity to teach summarizing, and citing sources. Cool Kid Facts is a great tool to build background knowledge about all sorts of topics!

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### Beyond Traditional Math - Jen Smith

2 to 7

Beyond Traditional Math is an interesting blog written by a fourth-grade teacher who was "appalled to be handed a math book in which all instruction was whole group." This inspired...more
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Beyond Traditional Math is an interesting blog written by a fourth-grade teacher who was "appalled to be handed a math book in which all instruction was whole group." This inspired her mission to move beyond the traditional classroom model for teaching math. Informative articles discuss building strong classroom cultures through standards, writing clear learning targets, and discussions on classroom activities. Explore this blog to find many lesson ideas along with practical classroom tips for use throughout the year. The ideas are adaptable across several grade levels. Click on tags at the bottom of each blog post to find archives of posts about similar topics.

tag(s): problem solving (294)

#### In the Classroom

Subscribe to this blog through email or follow on Facebook and Twitter to receive notification of blog updates. Use blog posts during professional development or brainstorming sessions to find and develop classroom lessons. Try these ideas to differentiate for all students. Click on the Common Core tag to see a strategy to get students to start showing their work! Share student-made math projects using Ourboox, reviewed here. Ourboox creates beautiful page-flipping digital books in minutes, and you can embed video, music, animation, games, maps and more.

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### Math-Team-Matics Competition Problems - Sarah Jamison, Dan Garbowitz, and John Golden

6 to 12
Find challenging and fun group or individual math problems at this resource created for use in math competitions for 7th through 10th grade. This site offers previous problems for four...more
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Find challenging and fun group or individual math problems at this resource created for use in math competitions for 7th through 10th grade. This site offers previous problems for four different activity formats: quiz bowl, relay race, individual test, and team challenge. Choose the PDF for each activity to view past problems and responses.

tag(s): competitions (13), mental math (28)

#### In the Classroom

You don't need to be competing in a Math Challenge to use activities from this site! Use problems from the different activities for group assignments, homework, or extra credit. Create your own mini math challenge using problems on the site as a great back to school or last week lesson. If you are beginning the process of integrating technology, have students create blogs to describe steps needed to solve different problems, Pen.io, reviewed here. This blog creator requires no registration. This tool allows you to create "quick and easy" blogs to be used one time only. A unique URL is provided for your post, and this site is as easy as using a basic Word program! Use problems from activities to provide enrichment to gifted and talented students.

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### MathWiki: The Dynamic Mathematis E-Textbook - University of California, Davis - Delmar Larsen

7 to 12
Mathwiki is a collaborative, open access math textbook for higher level math. The wiki is constantly updated by university faculty and students to offer an ever-growing resource. Its...more
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Mathwiki is a collaborative, open access math textbook for higher level math. The wiki is constantly updated by university faculty and students to offer an ever-growing resource. Its purpose is to be a supplement to traditional textbooks. Choose the "Mathematics" icon to begin. Choose from several categories such as Algebra or Geometry to continue. Narrow choices within each group to find information by topic. When looking for specific content, use the search bar to find all relevant information. Some content areas contain more information than others.

tag(s): equations (153), probability (137), problem solving (294), statistics (126), STEM (193), wikis (15)

#### In the Classroom

Provide a link to MathWiki on your class website or blog for student use at home. Share information from the wiki on your interactive whiteboard (or projector) to supplement current learning materials. Use the wiki to find questions and student problems for classroom use. Differentiate learning for gifted students using content provided on the wiki.

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### Maths Is Good For You! - Dr. Snezana Lawrence

6 to 12
Maths Is Good For You offers a history of mathematics and loads of math activities for young mathematicians. Although the site isn't very visually pleasing, it contains quite a bit...more
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Maths Is Good For You offers a history of mathematics and loads of math activities for young mathematicians. Although the site isn't very visually pleasing, it contains quite a bit of mathematics background and information. Learn about famous mathematicians, famous places in math, and the background on some of the origins of mathematics. Be sure to check out the worksheets section for some interesting and quirky activities. This site was created in the UK. American English speakers may notice slight spelling differences. There is also mention of Key Stage 3, 4, and 5. In America, these stages equate to Ages 11-14 (Stage 3), Ages 14-16 (Stage 4), and Ages 16-18 (Stage 5).

tag(s): egypt (64), numbers (194), pythagorean theorem (33), roman numerals (9), worksheets (62)

#### In the Classroom

Use Maths Is Good For You as a starting point for information on famous mathematicians and theories. Have students upload a photo they have taken and add voice bubbles to explain what they learned using a tool such as Superlame, reviewed here. Have students use Fakebook (reviewed here) to create a "fake" page similar in style to Facebook about a famous mathematician. Print and use worksheets for homework, math centers, or to differentiate instruction. Have students create timelines (with music, photos, videos, and more) using Capzles (reviewed here) using timeline information found on this site.

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### Songs for Learning - Harry Guffee

2 to 10

Bring music into your math lessons! Appeal to your auditory learners with short samples of math Songs for Learning. Choose from three different CD titles to view song titles with ...more
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Bring music into your math lessons! Appeal to your auditory learners with short samples of math Songs for Learning. Choose from three different CD titles to view song titles with links to download a small portion of each song. Download in wma, mp3, or Realaudio format. Titles cover a range of math topics from number lines through the Pythagorean Theorem. Although the CDs are for sale, you can listen to the snippets for free.

tag(s): decimals (125), exponents (44), integers (40), mean (26), number lines (32), operations (122), percent (81), prime numbers (31), probability (137), pythagorean theorem (33), roman numerals (9)

#### In the Classroom

Download and use sound files to introduce topics and units in your math class. Challenge older students to finish writing the songs. Try to create your own songs about math concepts. Use tunes (and sound files) from Sing Along Songs, reviewed here.

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### Teachers TryScience - IBM, New York Hall of Science, and TeachEngineering.org

5 to 12

Teachers TryScience provides free and engaging lessons, along with teaching strategies and resources. All activities are designed to spark students' interest in science, technology,...more
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Teachers TryScience provides free and engaging lessons, along with teaching strategies and resources. All activities are designed to spark students' interest in science, technology, engineering and math (STEM). Create or join communities for teachers to discuss and share effective instructional practices. Access over 250 lesson plans that allow students to create water filters, design earthquake-proof structures, explore vertical farms, and much more. Many lessons include slideshows, videos, and links to other resources about the lesson topic. Browse through strategies and tutorials on a variety of topics ranging from a professional development resource (video) on differentiated instruction to a tutorial on what engineering might look like in your classroom.

tag(s): STEM (193)

#### In the Classroom

Bookmark Teachers TryScience as a resource for STEM lessons in your science or math classroom. Share the videos or activities on your projector or interactive whiteboard. Join communities with similar interests to yours to discuss teaching strategies, lesson planning, and more. Share strategies and tutorials during professional development sessions or with student teachers.

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### Prodigy Math Game - Rohan Mahimker and Alex Peters

K to 7

Prodigy offers engaging interactives for seven to twelve-year-olds to practice their math! Use the anime-style avatars to travel the world and meet wizards and confront challenges....more
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Prodigy offers engaging interactives for seven to twelve-year-olds to practice their math! Use the anime-style avatars to travel the world and meet wizards and confront challenges. As math skills improve, your characters earn new spells that can be used only when math proficiencies are strengthened and expanded. The activities will differentiate, assigning and reviewing new math skills. Track your success and get help in areas where you are struggling. Some of the instruction videos (for parents and teachers) are hosted on YouTube. If your school blocks YouTube, you may want to familiarize yourself with this site at home.

tag(s): addition (224), division (159), fractions (229), game based learning (137), number sense (94), numbers (194), subtraction (186)

#### In the Classroom

This activity would be perfect for practicing math concepts just introduced in class! Share this tool on your interactive whiteboard or projector. This site offers applied experience with math skills and provides critical thinking experience. Students will learn at their pace, and you can get real time reports about how and what your students are doing. There is an option to have the questions read aloud, so have the headphones/earbuds ready. Students will love the multiplayer experience and will forget they are practicing math. Bookmark this tool on your classroom computers and post it on your website for students to use at home. This is perfect to recommend to prevent summer slide.

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### Geometry Toolbox - Bruno Reddy

4 to 12

Explore measurement and geometric construction with this fantastic set of virtual geometry tools! Choose from a compass, protractor, or ruler to create and measure shapes and angles....more
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Explore measurement and geometric construction with this fantastic set of virtual geometry tools! Choose from a compass, protractor, or ruler to create and measure shapes and angles. Use the pen and pencil tools to add comments and draw your own lines.

tag(s): angles (87), geometric shapes (169), measurement (178)

#### In the Classroom

Geometry Toolbox is perfect for use on your interactive whiteboard (or projector) for teaching measurement and angle construction. Allow students to use tools to learn how to use a compass and protractor. Challenge cooperative learning groups to create videos demonstrating use of the geometry tools and share them on a site such as TeacherTube reviewed here. Or have them create a screencast of ways to use the Geometry Toolbox using Screencast-o-matic, reviewed here, or Screencastify (Chrome app), reviewed here.