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Points in a Complex Plane - Explore Learning

Grades
10 to 12
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This hands-on math activity, designed for advanced math classes such as 11-12 grade trigonometry, allows students to visualize numbers in polar form and how they relate to Cartesian...more
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This hands-on math activity, designed for advanced math classes such as 11-12 grade trigonometry, allows students to visualize numbers in polar form and how they relate to Cartesian coordinates.

tag(s): charts and graphs (196), numbers (120)

In the Classroom

Associated lesson plans are available to registered users of ExploreMath.com

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Area Probability (Throw Darts!) - Explore Learning

Grades
7 to 11
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This math activity, designed for lower level math classes such as 8-10 grade upper algebra, allows students to manipulate the area of a circle and a rectangle to determine probability....more
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This math activity, designed for lower level math classes such as 8-10 grade upper algebra, allows students to manipulate the area of a circle and a rectangle to determine probability. This is a good hands-on activity that students will enjoy and will help them see the relationship between area and probability

tag(s): probability (132), statistics (129)

In the Classroom

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Absolute Value of a Linear Function - Explore Learning

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11 to 12
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This math activity, designed for advanced math classes such as 11-12 grade introductory calculus, allows students to compare various graphs in the slope-intercept form. This is a good...more
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This math activity, designed for advanced math classes such as 11-12 grade introductory calculus, allows students to compare various graphs in the slope-intercept form. This is a good hands-on activity that allows students to visualize absolute value.

tag(s): functions (61)

In the Classroom

Associated lesson plans are available to registered users of ExploreMath.com

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Fooble :: Perplexus - Animus Pactum Consulting

Grades
9 to 12
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Here's one that will tie your brain in knots. Some of these logic puzzles will challenge even advanced high school students, but both solutions and discussion are readily available...more
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Here's one that will tie your brain in knots. Some of these logic puzzles will challenge even advanced high school students, but both solutions and discussion are readily available for those who struggle. There are many different puzzle types, and new content seems to appear regularly. Note, however, that the ad banner space occasionally displays content that some might not deem appropriate for school use.

tag(s): logic (166), puzzles (163)

In the Classroom

Teachers will find this one a great source for "extra point stumpers."

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Teaching Math in America - Smithsonian Institution

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6 to 12
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The Smithsonian's homage to math teachers of the past presents an interesting discussion of how "what's important" in math has changed along with the tools used to teach it. The ...more
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The Smithsonian's homage to math teachers of the past presents an interesting discussion of how "what's important" in math has changed along with the tools used to teach it. The resource collection contains a number of math sites that teachers might also find useful.

tag(s): design (76), teaching strategies (68)

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CensusScope

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6 to 12
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Created by a university consortium, this site offers a wealth of graphs, charts, and data that students can use to analyze America's demographics. There are a number of prefabricated...more
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Created by a university consortium, this site offers a wealth of graphs, charts, and data that students can use to analyze America's demographics. There are a number of prefabricated analyses available, and there is also enough data to create exercises or activities that let students explore on their own. There are a number of possibilities for social studies, math, or statistics in this one.

tag(s): census (12), demographics (14), population (53)

In the Classroom

Share these visuals on your projector or interactive whiteboard. Have students investigate one area of this data and contribute to a class wiki. Not comfortable with wikis? Have no wiki worries - check out the TeachersFirst's Wiki Walk-Through.

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A View from the Back of the Envelope

Grades
6 to 12
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Have you ever struggled to give a student an example that demonstrates how big big can be, or how small small things are? Here's an eclectic collection of demonstrations and ...more
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Have you ever struggled to give a student an example that demonstrates how big big can be, or how small small things are? Here's an eclectic collection of demonstrations and jottings that let students compare both the vast and the minute.

tag(s): estimation (36), statistics (129)

In the Classroom

Use the content directly, or as an inspiration for your own comparisons.

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Planetarium: a puzzle-story in twelve weekly installments

Grades
7 to 12
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Here's an ongoing interactive puzzle that can really grow on you. A free registration lets users move through the puzzle one week at a time, discovering new clues with each ...more
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Here's an ongoing interactive puzzle that can really grow on you. A free registration lets users move through the puzzle one week at a time, discovering new clues with each visit and working with numbers and words to unlock the puzzle's secrets. This would be a great one for an ongoing activity that builds logic and higher order reasoning skills.

tag(s): logic (166), puzzles (163)

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Maths Dictionary - Jenny Eather

Grades
4 to 12
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This "down under" site is much more than a dictionary. There's a definition for each term listed, and most of the definitions include one or more illustrations of the concepts. ...more
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This "down under" site is much more than a dictionary. There's a definition for each term listed, and most of the definitions include one or more illustrations of the concepts. The definitions include the most basic math terms, as well as many more advanced words, making this a useful site for almost any grade level.

tag(s): spelling (93), vocabulary development (102)

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ABC News - ABC news

Grades
6 to 12
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This nationally published news source makes for an excellent resource for a teacher or student looking for current events. There's information ranging from politics, global news, business,...more
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This nationally published news source makes for an excellent resource for a teacher or student looking for current events. There's information ranging from politics, global news, business, technology - even pop culture. This would be useful in any classroom where a knowledge of the now was focused on.

tag(s): news (223), newspapers (88)

In the Classroom

Use this site as a resource for current events projects - assign students various weeks throughout the semester in which they are to be the class news reporter, keeping their peers up to date and informed. Have students research what's going on via this news site and present a small presentation at the beginning of class every day during their week. Students can either orally present, or for the technologically inclined, create a short video summarizing the same information. Have students create news briefs and share them using a tool such as SchoolTube.

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National Council of Teachers of Mathematics - NCTM - NCTM

Grades
1 to 12
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NCTM helps set instructional standards and provide teaching resources for teachers of mathematics at all levels. NCTM's site includes a publications catalog, news releases, and other...more
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NCTM helps set instructional standards and provide teaching resources for teachers of mathematics at all levels. NCTM's site includes a publications catalog, news releases, and other information services.

tag(s): professional development (319)

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NSF Classroom Resources - National Science Foundation

Grades
4 to 12
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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
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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 across many settings.

tag(s): antarctica (28), arctic (33), biomes (96), chemicals (36), computers (115), cultures (290), earth (194), engineering (141), environment (253), fractions (179), geometric shapes (153), numbers (120), origami (15), planets (123), robotics (30), space (248), symmetry (32)

In the Classroom

Bookmark this site as a reference site for finding further material. Under each subject, find a variety 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.

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Zona Land : Education in Physics and Mathematics - Ed Zobel

Grades
9 to 12
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Click on the "More Science..." link to access activities with Physics or the "More Math..." link for Geometry, Trigonometry, and more. Find a Simple Data Grapher, Curve fitting, Graph...more
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Click on the "More Science..." link to access activities with Physics or the "More Math..." link for Geometry, Trigonometry, and more. Find a Simple Data Grapher, Curve fitting, Graph paper, and help with many mathematical concepts in the math section.

tag(s): calculators (36), charts and graphs (196), forces (46), functions (61), light (58), motion (56), optics (14), vectors (15), waves (14)

In the Classroom

This site includes simple definitions of physics terminology and a game to demonstrate momentum. It has a good array of mathematical content useful for students in or out of class. It could be useful for student review or supplemental material. Be sure to link this site to your class web page or bookmark on a classroom computer for easy access.

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SOS Mathematics: Algebra

Grades
6 to 12
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This offers a comprehensive collection of math lessons with clear examples and easy to read text. A terrific site for independent studies or reviews. A must for any algebra student....more
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This offers a comprehensive collection of math lessons with clear examples and easy to read text. A terrific site for independent studies or reviews. A must for any algebra student.

tag(s): operations (71)

In the Classroom

Include the link on your teacher web page for students to use as review and reinforcement.

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Physics Learning Resources - Advancing Physics

Grades
K to 12
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The American Physical Society (APS) Learning Resources collection provides educators with a wide range of free physics and STEM teaching materials designed to support science instruction...more
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The American Physical Society (APS) Learning Resources collection provides educators with a wide range of free physics and STEM teaching materials designed to support science instruction from elementary school through college. The site features lesson plans, classroom activities, experiments, videos, articles, career resources, and professional learning opportunities that help students explore topics such as motion, energy, space science, engineering, and modern physics. Resources are searchable by grade level and subject area, making it easy for teachers to find materials that align with their curriculum. Whether introducing fundamental science concepts or extending student learning through hands-on investigations, APS offers high-quality, research-based resources that promote scientific inquiry and critical thinking.

tag(s): energy (139), motion (56), space (248), STEM (371)

In the Classroom

After exploring an APS lesson on forces or motion, have students design and build a simple device, such as a paper roller coaster, a balloon-powered car, or a marble run. Students can test variables, collect data, and explain the physics behind their results. Have students watch an APS video or read an article about a current scientific discovery. Students can summarize the findings, identify the scientific questions being investigated, and discuss how evidence supports the conclusions. Students can work in teams to create a model exhibit that teaches visitors about a physics concept such as energy, magnetism, light, or motion. Exhibits may include demonstrations, diagrams, hands-on components, and informational displays to teach others about the topic.

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Albert Einstein Biography - American Institute of Physics

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6 to 12
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From the American Institute of Physics - This page offers a commemorative biography of Einstein which highlights both his life and his contributions to the study of physics. Good term...more
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From the American Institute of Physics - This page offers a commemorative biography of Einstein which highlights both his life and his contributions to the study of physics. Good term paper material written from a scientific perspective.

tag(s): biographies (96)

In the Classroom

Bookmark this site for information on Einstein and his accomplishments for your student's papers and projects.

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MathDEN

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1 to 12
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MathDEN is for students whose math class is too easy for them, and who are looking to sharpen their math skills. ...more
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MathDEN is for students whose math class is too easy for them, and who are looking to sharpen their math skills.

tag(s): critical thinking (179), problem solving (275)

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Mathematics Answer Menu

Grades
9 to 12
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This is a set of Java-enhanced math problems designed as review information for Great Britain's standardized exams. The problems cover topics ranging from introductory algebra through...more
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This is a set of Java-enhanced math problems designed as review information for Great Britain's standardized exams. The problems cover topics ranging from introductory algebra through advanced probability, geometry, and other topics. Answer keys are also provided. These problems could easily be used for any math review application, including SAT I'? or ACT tests.

tag(s): geometric shapes (153), probability (132)

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SOS Mathematics - Tables and Formulas - Math Medics LLC

Grades
3 to 12
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This site's title tells it all: a collection of tables and formulas, primarily for trigonometry, calculus, and advanced algebra. There are also elementary tables for multiplication,...more
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This site's title tells it all: a collection of tables and formulas, primarily for trigonometry, calculus, and advanced algebra. There are also elementary tables for multiplication, prime numbers, and factors.

tag(s): factoring (29), multiplication (133), operations (71), prime numbers (25)

In the Classroom

Save this site as a resource for math tables, math formulas, and even elementary tables for basic operations. Share this link on your class website or on your school's LMS for students to access anytime.

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Probability - Classic Problems

Grades
6 to 12
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This section of the Cut-the-Knot site offers several neat interactive probability illustrations, along with descriptions of several classic probability problems, each of which illustrates...more
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This section of the Cut-the-Knot site offers several neat interactive probability illustrations, along with descriptions of several classic probability problems, each of which illustrates a different aspect of probability. These are great, "Why is it that...?" discussion starters, and well worth a look.

tag(s): probability (132)

In the Classroom

Open the probability problems on the interactive whiteboard or projector, having students attempt to work on the problems in cooperative learning groups. This is a great way to review a unit on probability, as are the sections at the top entitled "What is probability?" Share the site on the class wiki or web page to allow students to access it in and out of the classroom for review.

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