TeachersFirst Geometry - Grades 9-12
Peruse this collection of geometry resources for grades 9-12. Use these resources to meet the NCTM standards. Many of these tools are ideal for use on your interactive whiteboard or in your BYOD (or 1:1) classroom. Find topics that relate to the content being taught in your classroom. Share these resources with students on your class website. Use these tools for remediation and review with all students. Use these resources in beginner through AP geometry classes. Share these tools with families for at-home practice.
Explore the NCTM Standards for Geometry for All Grades
Geometry Resources for Grades K - 2
Geometry Resources for Grades 3 - 5
Geometry Resources for Grades 6 - 8
Geometry Resources for Grades 9 - 12
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CK-12 Plix - CK-12
Grades
K to 12tag(s): angles (52), area (54), atoms (47), charts and graphs (167), data (152), decimals (85), earth (190), earthquakes (50), equations (119), fractions (160), geometric shapes (137), integers (21), latitude (9), magnetism (35), molecules (42), oceans (144), planets (118), plate tectonics (28), prime numbers (26), probability (99), rock cycle (25), rocks (43), scientific method (50), seasons (55), simulations (38), solar system (115), statistics (117), STEM (332), Teacher Utilities (200), volume (34), water (102)
In the Classroom
Use Plix interactives as warm-up activities when teaching new concepts, as a computer center activity, or as an exploration activity for homework. If you are not using a learning management system, use the three dots located on the top bar to find different share options and embed code to use on websites. After providing exploration time, ask students to share their understanding of the content in the using Padlet, reviewed here. This is a link to Padlet's Help section for posting video or an image. Create a topic for students to add a video response that might include a demonstration of their computer screen as they discuss how the interactive works and share their understanding of the concept they explored.You must be registered and logged in to add items to your favorites.
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The Achievery - AT&T
Grades
K to 12tag(s): blended learning (27), coding (89), digital citizenship (85), engineering (140), environment (249), equations (119), geometric shapes (137), graphic design (50), internet safety (112), literature (218), map skills (63), measurement (124), media literacy (106), narrative (16), numbers (116), operations (72), order of operations (29), problem solving (245), remote learning (31), Research (78), social and emotional learning (114), spanish (107), STEM (332), substitutes (25), writing (309)
In the Classroom
Bookmark and save this site as a resource for lessons in many content areas to engage students using popular video clips. Although originally designed for remote learning, all lessons can be easily adapted for in-class instruction. Easily find activities to differentiate instruction for different student ability levels by browsing options below or above the student's current grade level. Many lessons include worksheets in PDF format. Turn these activities into a digital format by taking a screenshot of the document, then save as the background on Google Slides, reviewed here. Add text boxes in the appropriate place on the slide for students to add responses. Use Pear Deck Flashcard Factory, reviewed here, to create flashcards for students to practice the vocabulary highlighted in each lesson.Add your comments below (available only to members) | Become a Member
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Edia - Edia Learning Inc.
Grades
5 to 12tag(s): charts and graphs (167), coordinates (15), data (152), decimals (85), division (96), equations (119), exponents (35), factoring (25), factors (28), fractions (160), functions (52), geometric shapes (137), inequalities (25), multiplication (120), negative numbers (13), number sense (66), place value (34), probability (99), quiz (64), quizzes (86), sequences (12), sequencing (17), Teacher Utilities (200)
In the Classroom
Use Edia to create, share, and differentiate math practice questions with students. Create practice sheets for students on the fly as you assess understanding of concepts or review previously learned material. If parents ask for additional support for their students, create individual practice on the necessary skills. Some of Edia's explanations may take a different approach than methods taught in your classroom, use this to your advantage and ask students to share different methods for approaching problems. Ask students to share their approaches using a screen recording tool such as Free Screen Recorder Online, reviewed here.Add your comments below (available only to members) | Become a Member
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CanFigureIt Geometry - CanFigureIt LLC
Grades
6 to 12tag(s): angles (52), geometric shapes (137)
In the Classroom
Include this site with your other tools for teaching and practicing geography concepts. Be sure to share with students on your webpage or blog for easy access at any time. Apply for the Proof Ninja Educator Program to take advantage of the additional features for monitoring student work. Introduce this site to your students on your interactive whiteboard as you work together to learn geometry concepts. Ask students to show proofs and justifications using the program and take a screenshot of their work. Ask students to include their screenshot within a Google document and share their problem-solving process. This site is an excellent way to differentiate learning for different levels of student understanding. Encourage students to create explainer videos using Clipchamp, reviewed here, to modify their learning and to share their understanding with their fellow students. Include those videos on your website for all students to review and access.Add your comments below (available only to members) | Become a Member
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Scalar Learning YouTube Channel - Scalar Learning
Grades
6 to 12tag(s): angles (52), charts and graphs (167), data (152), decimals (85), equations (119), fractions (160), geometric shapes (137), inequalities (25), logic (159), mean (20), median (17), mode (14), percent (59), problem solving (245), square roots (15), test prep (67)
In the Classroom
Bookmark this site to view individual episodes together as a class, or use in centers for students to view videos on classroom computers. When using for centers use a site such as MoocNote, reviewed here, to insert comments and questions into any of the videos as part of the student viewing process. Instead of written responses about what they learned or questions they may still have, instruct students share their responses and discussion through video using Gravity, reviewed here. Challenge cooperative learning groups to create their own video tutorials using playposit, reviewed here, and share them on a site such as TeacherTube, reviewed here.Add your comments below (available only to members) | Become a Member
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NCTM Illuminations Geometry Resources Grades 9-12 - NCTM
Grades
9 to 12tag(s): area (54), flips (6), geometric shapes (137), logic (159), pi (28), probability (99), problem solving (245), pythagorean theorem (20), ratios (47), turns (3), volume (34)
In the Classroom
Keep this site with your professional favorites to find supporting technology and lessons for teaching geometry. 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 selection can be overwhelming for most parents, so share the specific areas that fit your curriculum.Add your comments below (available only to members) | Become a Member
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Geometry Math Is Fun - Math is fun
Grades
4 to 12This site includes advertising.
tag(s): angles (52), area (54), dictionaries (48), geometric shapes (137), pythagorean theorem (20), symmetry (28)
In the Classroom
Use this site on your interactive whiteboard to introduce and reinforce geometry concepts and vocabulary. Be sure to add a link to the site on your class website for students to access at home. Have students create an annotated image including text boxes and related links using a tool such as Awesome Screenshot, reviewed here to demonstrate geometry in everyday objects.Add your comments below (available only to members) | Become a Member
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Mathematical Thinking for English Language Learners - Education Development Center, Inc
Grades
5 to 9tag(s): area (54), geometric shapes (137), measurement (124), rotation (3), tangrams (8)
In the Classroom
Although created for English Language Learners, take advantage of these geometric tasks for use with all students. Use the Sentence Starters and Story Frames as models for incorporating writing into any math lesson. If you are beginning the process of integrating technology, replace paper and pen by having students create blogs sharing their mathematical thinking and understanding using Tumblr, reviewed here. If you are teaching younger students and looking for an easy way to integrate technology and check for understanding, challenge your students to create a blog using Edublog, reviewed here.Add your comments below (available only to members) | Become a Member
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Math Arguments 180 - Curmudgeon
Grades
7 to 12tag(s): logic (159), probability (99), problem solving (245)
In the Classroom
Bookmark this blog or subscribe to it with your RSS feed reader to stay current with new posts. Use ideas in your math class as lesson starters, homework, or for extra credit. Have students create an annotated image explaining answers including text boxes and related links using a tool such as Thinglink, reviewed here. Challenge cooperative learning groups to create video explanations and share them on a site such as TeacherTube reviewed here.Add your comments below (available only to members) | Become a Member
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Earliest Uses of Various Math Symbols - Jeff Miller
Grades
8 to 12tag(s): biographies (97), symbols (17)
In the Classroom
Use information from this site to share math "tidbits" with your students on your class webpage or your interactive whiteboard as students enter class. Share this site with students and allow them to explore on their own.The text portions are challenging, so you should pair weaker readers with a partner as they research on this site. Have students use Fakebook, reviewed here, to create a "fake" page similar in style to Facebook about a mathematician.Add your comments below (available only to members) | Become a Member
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Mathematics Library - Libre Texts - Delmar Larsen
Grades
7 to 12tag(s): equations (119), probability (99), problem solving (245), statistics (117), STEM (332), wikis (14)
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.Add your comments below (available only to members) | Become a Member
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Mathigon - The Mathematics Education Project
Grades
3 to 12tag(s): charts and graphs (167), fractions (160), geometric shapes (137), origami (15), probability (99), problem solving (245), tangrams (8)
In the Classroom
If you are a math teacher at any level, this is a MUST-SEE (and share) site. Take the time to explore it for specific sections connected to your curriculum concepts. Students in a BYOD classroom can explore interactives on this mobile-friendly site. Mathigon is perfect for use on interactive whiteboards, projector, and classroom computers. Use Mathigon activities to excite and motivate math students. Some activities require reading so you may need to partner your weaker readers with a buddy. Create a link to games and activities on your class website or blog for students to explore at home. Use Mathigon with gifted learners to extend your current math curriculum.Add your comments below (available only to members) | Become a Member
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Flipped Math - The Algebros
Grades
6 to 12tag(s): blended learning (27), differentiation (77), Online Learning (32), remote learning (31), teaching strategies (52)
In the Classroom
Flipped Math is also perfect for blended learning. Begin your journey into the flipped, blended or remote learning classroom by trying a single lesson or two in which your students have access to view videos at home. Use videos and practice problems found on the site as a supplement to your current lessons. Flipped Math is also perfect for Flipped Learning - Embed videos on your class website or blog for use at home. Even if you are not "flipping," these will make terrific reinforcement for struggling students -- and possibly for parents who want to help, but cannot remember the math skills. Do you want to learn more about flipping your classroom? Find many ideas and suggestions at Flipped Learning Global Initiative.Add your comments below (available only to members) | Become a Member
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Sketchometry - Sketchometry
Grades
4 to 12tag(s): functions (52), geometric shapes (137), perspective (24)
In the Classroom
This tool is great for creating and visualizing math concepts, ranging from basic geometric shapes and area to complex constructions and trigonometry. Use on a whiteboard or with a class projector for interactive classroom use. Save or retrieve creations in Google Drive, reviewed here. Use for hands-on work with any geometry or trigonometry functions. Since this tool works on such a variety of devices, it would be ideal to use in a BYOD (or 1:1) geometry class. Art teachers who want to "draw in" their more mathematical students can offer this as a design option, especially when teaching about perspective.Add your comments below (available only to members) | Become a Member
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Yay Math! Videos - Robert Ahdoot
Grades
6 to 11This site includes advertising.
tag(s): angles (52), area (54), charts and graphs (167), equations (119), exponents (35), factoring (25), factors (28), functions (52), geometric shapes (137), inequalities (25), polynomials (20), pythagorean theorem (20), quadratics (27), square roots (15)
In the Classroom
If you don't want to provide an email address for quizzes, use a disposable email address tool such as Mail Catch reviewed here to obtain a temporary email address. Share links to videos on your class website or blog and on classroom computers for student viewing. Use videos as inspiration to create your own math videos or challenge cooperative learning groups to create videos and share them on a site such as TeacherTube reviewed here.Add your comments below (available only to members) | Become a Member
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Science vs Magic - Nico Disseldorp
Grades
8 to 12tag(s): angles (52), fractions (160), geometric shapes (137), greeks (45), logic (159)
In the Classroom
Share this site with students for exploration of geometric concepts. Have students take screen shots of different outcomes then share their explorations with classmates. (Screenshots on a Mac: Shift+ Command+4; on Windows, press the Prtscrn key then PASTE into a document.) Have cooperative learning groups create podcasts demonstrating their understanding of one of the concepts. Use a site such as PodOmatic (reviewed here).Add your comments below (available only to members) | Become a Member
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Mathispower4u - Video Tutorials - James Sousa
Grades
4 to 12tag(s): area (54), business (54), charts and graphs (167), equations (119), factoring (25), functions (52), integers (21), measurement (124), operations (72), order of operations (29), percent (59), place value (34), prime numbers (26), ratios (47), test prep (67), tutorials (48), volume (34)
In the Classroom
Share videos on your interactive whiteboard as in introduction to a new concept or as review. Embed the links to videos of weekly concepts on your class website or blog. Create a link on classroom computers to current content for students to use as a review resource. Ask students to rate the most helpful videos they find and share their recommendations on a class wiki. Share this site with parents to use as a resource when helping students at home. Challenge students to create their own how-to video of math concepts. Share the videos using a tool such as SchoolTube.Add your comments below (available only to members) | Become a Member
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GeoGebra - GeoGebra
Grades
4 to 12tag(s): angles (52), geometric shapes (137), holidays (228), measurement (124)
In the Classroom
Use this site as a resource when first beginning to use GeoGebra (free) software. Share tutorial videos on your interactive whiteboard or projector with students as they learn the software. Have students create and design their own projects to share with the classroom. Use information on this site to embed and share projects on your classroom website or wiki.Comments
Wonderful free site for geometric constructions, similar functionality to Geometer's Sketchpad.James, GA, Grades: 10 - 12
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Geometry: The Supplement - Dan Meyer
Grades
7 to 11tag(s): angles (52), functions (52), geometric shapes (137), patterns (65), problem solving (245), test prep (67), tutorials (48)
In the Classroom
Use the lessons provided on your interactive whiteboard or projector either on their own or as a supplement to current classroom materials. This could also be used as enrichment/advancement for gifted students or supplemental practice for struggling math students. Consider providing this link on your class website.Add your comments below (available only to members) | Become a Member
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Virtual Nerd - Josh Salcman
Grades
8 to 12This site includes advertising.
tag(s): equations (119), functions (52), test prep (67), tutorials (48), variables (14)
In the Classroom
Display videos on your interactive whiteboard or projector as an introduction or review to current topics. Create a link on classroom computers for students to view videos for review. Post the link to this site on your classroom website for students to access at home.Add your comments below (available only to members) | Become a Member
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