Previous  420-431 of 431

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

### Angle Activity: Up to 180 Degrees - Crick Web

3 to 8
This angle activity asks students to guess the correct angles - a protractor tool is available. This lesson could be used as a demonstration activity or independent practice. This...more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
This angle activity asks students to guess the correct angles - a protractor tool is available. This lesson could be used as a demonstration activity or independent practice. This estimation activity is excellent practice for students using both obtuse and acute angles. The site requires Flash.

tag(s): angles (88)

#### In the Classroom

Try this one on an interactive whiteboard, then follow up with individual students practicing at a computer or on laptops. Definitely include the link on your teacher web page for additional practice before a quiz or test.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### A Maths Dictionary for Kids - Jenny Eather

2 to 8
A Maths Dictionary for Kids is a fantastic animated, interactive online math dictionary for students which explains over 600 common mathematical terms and math words in simple language....more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
A Maths Dictionary for Kids is a fantastic animated, interactive online math dictionary for students which explains over 600 common mathematical terms and math words in simple language. Enter the site using the link on the home page and choose (or browse) math terms. Math terms come to life with a click of the mouse! Virtually all terms have an animated or interactive component - for example, choose quadrilateral to view a definition along with an image of a quadrilateral, the next button changes the quadrilateral to a square along with the new definition, choose next again to see the square change to a rhombus, and so on. Virtually all standard math terms are included so users are likely to find anything they want along with some new terms! A link is included at the bottom of each section to print each definition easily.

Another wonderful portion of the site is a new section titled Math Charts. Search this portion by choosing from areas such as numbers, operations, decimals, or much more then choose one of the sub-topics. Each chart includes a visual description of the topic and is specifically created to be printed for classroom use, choose the print button at the bottom of the page and the content will enlarge to fill the most it can in whatever size paper is chosen. Be sure not to miss the blackline masters located at the bottom of this section that contain many printables for classroom use such as fraction strips, hundreds charts, and much more.

tag(s): addition (227), charts and graphs (198), data (162), decimals (125), division (161), fractions (229), measurement (178), money (186), multiplication (212), order of operations (40), percent (81), ratios (63), subtraction (187), time (141)

#### In the Classroom

The math charts are a wonderful resource for classroom bulletin boards, wall decorations, and more - simply laminate for increased durability. Print onto standard sized paper for use in math notebooks or journals. Create a scavenger hunt for students to perform to find words in the math dictionary, have students write definitions and illustrations in math notebooks. View the site using your interactive whiteboard when discussing, introducing, or reviewing math concepts. Share this site through your classroom website or newsletter for reference at home. Share with ESL/ELL and Special Education teachers as a resource to use with students.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### Shape and Space in Geometry - Annenberg/CPB

1 to 8

Improve your students' understanding of geometric concepts with this outstanding site that strengthens spatial skills. Start by perusing the excellent background information for teachers...more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
Improve your students' understanding of geometric concepts with this outstanding site that strengthens spatial skills. Start by perusing the excellent background information for teachers that highlights the importance of geometry in math education, then investigate the collection of interactive classroom activities designed to provide concrete practice with abstract concepts. The first set of activities is concerned with identifying properties of shapes; the second focuses on visualizing how objects will look when moved. Check out the overviews for each activity which describe the rationale and connection to NCTM Standards.

tag(s): geometric shapes (173), measurement (178), space (227), symmetry (51)

#### In the Classroom

Share the one or more of the interactive activities with your interactive whiteboard or projector. Then set up a computer station for students to rotate through and practice the activities on their own.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### Illuminations - NCTM

K to 12

This fabulous collection of lesson plans, activities, and web links from NCTM is a professional treasury for math teachers. The two menu selections at the top, Lessons and Interactives,...more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
This fabulous collection of lesson plans, activities, and web links from NCTM is a professional treasury for math teachers. The two menu selections at the top, Lessons and Interactives, are actually drop down menus to find lessons by grade levels, Brain Teasers, Mobile Apps, a Web Sketchpad, and more. The interactives are a challenging practice for concepts ranging from basic fractions and graphing to congruence theorems. Narrow your search with keywords. Each activity includes a description and grade level recommendation. Highlighted activities and Lessons on the home page change often. Many lesson plans also include technology links, but others are low-tech or no-tech. Illuminations is created by NCTM.

tag(s): data (162), measurement (178), numbers (197), operations (123), probability (141)

#### In the Classroom

Keep this one in your professional favorites to find supporting technology for any math concept. As you find practice or extension ideas for student use or at home reinforcement, share specific links on your class web page or classroom computer center for students to access independently or as you assign them for needed practice. The full site is overwhelming for most parents, so share the specific areas that fit your curriculum.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### Manipula Math - IES (Japan)

6 to 12
This Japanese site offers a set of Java-based math manipulatives for secondary math students. Topics include angles, circles, quadrilaterals, Pythagorean Theorem, trig,vectors, complex...more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
This Japanese site offers a set of Java-based math manipulatives for secondary math students. Topics include angles, circles, quadrilaterals, Pythagorean Theorem, trig,vectors, complex numbers, conics, a full range of calculus, and more. The site requires Java plug-ins and has instructions at the top to download it you do not have them (most do).

tag(s): manipulatives (36), numbers (197), vectors (24)

#### In the Classroom

Many of these "applets" (mini programs) would work well on interactive whiteboard or student computers to see what happens as you make changes in a mathematical function, for example. Presented "without comment" it would take students a bit of time to figure out the utility of these applets on their own.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### NSF Classroom Resources - National Science Foundation

4 to 12

This is a collection of science and math lessons and web resources ranging from how the Internet works to nanoscience, engineering, biology, and principles of physics and chemistry....more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
This is a collection of science and math lessons and web resources ranging from how the Internet works to nanoscience, engineering, biology, and principles of physics and chemistry. The content is predictably detailed, "real science" based on topics and phenomena that will interest students. These are the best of the best lessons and resources with applicability to lots of settings.

tag(s): antarctica (29), arctic (46), biomes (139), chemicals (45), computers (102), cultures (109), earth (226), engineering (132), environment (323), fractions (229), geometric shapes (173), numbers (197), origami (16), planets (129), robotics (29), space (227), symmetry (51)

#### In the Classroom

Bookmark this site as a reference site for finding further material. Under each subject find a varity of formats from forums and articles, to videos, interactives, podcasts, experiments and more. Some of the resources on this site may lead to a starting point for individual or group projects. Use parts of this site at a center. Share this site with staff (especially new teachers) and parents looking to extend science and math activities at home.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### BrainPOP Free Stuff - BrainPop

K to 12

Visit this fabulously FREE site, created by BrainPop, to find a wealth of interactives, videos, lesson plans, and more. Wow - doesn't even begin to describe the wide array of ...more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
Visit this fabulously FREE site, created by BrainPop, to find a wealth of interactives, videos, lesson plans, and more. Wow - doesn't even begin to describe the wide array of topics and subjects. The best part is the FREE stuff for BrainPop Espanol, BrainPop Jr, and BrainPop ESL. Some of the specific topics include: Harlem Renaissance, Civil War, Blogs, Angles, DNA, Stocks & Shares, Digital Animation, and MANY others. These were the FREE topics at the time of this review, and of course is subject to change.

tag(s): angles (88), blogs (84), charts and graphs (198), civil war (144), digital storytelling (156), dna (65), energy (208), grammar (210), harlem (8), internet safety (118), main idea (8), mars (40), martin luther king (36), nutrition (158), shakespeare (111), stock market (14), women (94)

#### In the Classroom

Use this tool to find lessons and/or animations in a variety of topic areas. There are "ready to go" movies and more in health, social studies, art & music, engineering & technology, and other topics. Share the sites on your interactive whiteboard or projector. Provide this link on your class website for students to access both in and out of the class. Save this link in your favorites and check back to see "what's new."

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### Print Free Graph Paper

K to 12
This site allows you to create and print different types of graph paper in a PDF format. The site is easy to use and takes you through each step needed. ...more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
This site allows you to create and print different types of graph paper in a PDF format. The site is easy to use and takes you through each step needed. First choose the type of graph paper from the eight different offerings including Cartesian (the most popular) and hexagonal. Next choose paper size, measuring units (inches or millimeters), then choose the paper created from the list offered. Just print after the graph paper is created.

tag(s): charts and graphs (198)

#### In the Classroom

Save the site as a link for quick printing of graph paper when needed. Provide the link to students and parents to use at home when graph paper is needed. Quickly print graphs onto transparency film to use on overhead projectors.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### Subtangents.com - Duncan Keith

4 to 12
This site offers several different resources for math practice. The Investigations portion contains several different activities to practice critical thinking and problem solving skills....more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
This site offers several different resources for math practice. The Investigations portion contains several different activities to practice critical thinking and problem solving skills. Investigations included are number squares, leapfrog, diagonal differences, and more. Games include word search, broken calculator, mathionaire, and others providing practice with basic number operations and problem solving. Test Yourself provides quizzes for functions, number properties, Pythagoras Theorem, and Algebra. The Revise portion of this site provides review and practice for different math skills such as making pie charts, using a protractor, and solving linear equations. Teachers may also want to check out the Resources section for downloadable stationary, puzzles, and worksheets.

#### In the Classroom

Make a shortcut to this site on classroom computers and use it as a center. Have students try out this site on individual computers, or as a learning center. Challenge students to complete the Investigations in the site, then write about their thinking process in Math journals or on the class wiki. Not comfortable with wikis? Check out the TeachersFirst's Wiki Walk-Through.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### Pi Land - Eve Andersson

7 to 12
Have fun exploring Pi with this math site! Play Pi Trivia to test your knowledge of Pi, use the Pi Trainer to test your memory, or discover poems, photos and ...more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
Have fun exploring Pi with this math site! Play Pi Trivia to test your knowledge of Pi, use the Pi Trainer to test your memory, or discover poems, photos and more all representing Pi. The site is divided into three sections - fun activities, aesthetics, and nerd stuff- making it easy to explore.

tag(s): pi (28)

#### In the Classroom

Introduce this site on your interactive whiteboard or projector, then allow students to explore on their own. Use the poems, photos, and other aesthetics as examples, then have students create their own Pi aesthetics to share on your classroom website or blog. Have a class competition to see who can memorize the most digits in Pi after training with the Pi memory trainer.

Rating (click star to set rating):

Close comment form

You must be registered and logged in to add items to your favorites.

Close

### Shape Explorer - Shodor

3 to 10

This applet is perfect for practicing finding the area and perimeter of regular and irregular shapes. After a shape is shown, there are boxes to input the answer to the ...more
Here is the direct link to share this resource review. Feel free to copy and paste this URL into an email or place it on your web page or blog so others can read this TeachersFirst review:
This applet is perfect for practicing finding the area and perimeter of regular and irregular shapes. After a shape is shown, there are boxes to input the answer to the area and perimeter of the provided shape. Options are also provided to adjust the size of shapes, to allow only rectangular shapes, and to allow scoring. The learner portion of the site provides an overview of area and perimeter. Be sure to check out the instructor section for links to standards, information for classroom use, standards addressed, and links to similar resources. There is also a printable exploration questions worksheet that can be used in the classroom.

tag(s): area (73), geometric shapes (173), perimeter (31)

#### In the Classroom

Introduce this site on your interactive whiteboard or projector. Then have students complete the exploration questions either on their own or with a partner. After exploring the site, have students create their own shapes for other students to solve for area and perimeter. Ask students to write in their math journals about how the different shapes create differences in area and perimeter. Create a link on your classroom website or blog for students to practice at home.