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Paper Plate Education - Great Lakes Planetarium

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1 to 12
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These creative and rather offbeat hands-on activities use common paper plates and a lot of ingenuity to illustrate principles of science, math, geography, music, and more! From plate...more
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These creative and rather offbeat hands-on activities use common paper plates and a lot of ingenuity to illustrate principles of science, math, geography, music, and more! From plate tectonics (no pun intended), to multiplication practice and physical fitness, this site provides an amazing collection of ideas. Instructions are provided for most.

tag(s): resources (80)

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Math-Kitecture

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8 to 12
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Real life applications of math are explored through a collection of activities that engage student in learning about architecture. Skills involving estimation, measurement, proportion,...more
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Real life applications of math are explored through a collection of activities that engage student in learning about architecture. Skills involving estimation, measurement, proportion, and ratios combine as students draft a "to-scale" floor plan of their classroom. The site provides sample plans, instructions on using computer software to complete the activity, and a collection of links to other Web resources on architecture and mathematics. Related activities involve finding geometric shapes in buildings, designing a bedroom, and using a virtual 3-D model of Frank Lloyd Wright's Falling Water home to estimate surface area and volume. Visit the Teacher Notes for downloadable lesson plans, ideas, and reviews of the site. Links to standards are included.

tag(s): estimation (36), measurement (125), ratios (50)

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Hypermath

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8 to 12
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This is truly a unique math resource. A concept map on the home page serves as an interactive navigational system for the site which focuses on trigonometry, calculus, differential...more
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This is truly a unique math resource. A concept map on the home page serves as an interactive navigational system for the site which focuses on trigonometry, calculus, differential equations, algebra, geometry, exponents, and more. Formulas, functions, and examples stress basic mathematical principles and fundamental understanding. A great site for refreshing or reinforcing math skills.

tag(s): exponents (39)

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Curious Math - Clay Ford

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7 to 12
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This is one for the math nerds among us! The fun, intrigue, and tricks of mathematics are celebrated through posting from users (registration is free). Find out how to quickly ...more
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This is one for the math nerds among us! The fun, intrigue, and tricks of mathematics are celebrated through posting from users (registration is free). Find out how to quickly square a number that ends in five, learn the roots of math words (Did you know that "zero" came from the Arabic word "zefirum," meaning "empty?"), or impress your students with the "Phone Number Trick." The site can be searched by subject.

tag(s): trivia (18)

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Math Projects

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7 to 12
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Spice up your pre-algebra, algebra, or geometry classes with the tips and ideas for interactive projects found on this site. Many of the downloadable lesson plans draw connections to...more
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Spice up your pre-algebra, algebra, or geometry classes with the tips and ideas for interactive projects found on this site. Many of the downloadable lesson plans draw connections to other content areas: an ancient Greek myth is tested with the help of some modern math; track and field activities become the focus of a lesson on arc length. No answer key is provided for the math problems, so plan accordingly!

tag(s): equations (130), operations (71), problem solving (274)

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Nrich - Cambridge University

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1 to 12
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This collection of games, and articles is designed to challenge students to use their problem solving skills. Activities are organized according to UK education system levels, but click...more
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This collection of games, and articles is designed to challenge students to use their problem solving skills. Activities are organized according to UK education system levels, but click on Help for an easy conversion guide. Each problem includes a question, related pictures or diagrams, a form for students to submit their solution, and helpful hints and notes for parents and teachers. A weekly challenge is also offered. Complete the free registration to participate in a discussion forum, pose questions online, or post messages.

tag(s): problem solving (274)

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Quiz Hub

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1 to 12
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Students can test their core knowledge of English, French, German, math, social studies and more with this entertaining collection of interactive quizzes, puzzles and games. Click on...more
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Students can test their core knowledge of English, French, German, math, social studies and more with this entertaining collection of interactive quizzes, puzzles and games. Click on the Learning Hub and select a level (elementary, middle school, or high school) to explore age-appropriate challenges across content areas. Many of the activities on this site are free, but registration and a fee are required to access some of the special features.

tag(s): quiz (64), quizzes (89)

In the Classroom

Use the free quizzes to help students review OR as pre-diagnositc quizzes to determine what students already know about the topic. This is a great way to assess which areas need strengthening and which areas students need less help in. Teachers wanting to focus their classrooms more efficiently will appreciate this one.

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Dictionary of Units

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2 to 12
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This online dictionary of units of measurement is a handy resource for understanding the differences between the international system, the metric system, and U.S. system of measures....more
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This online dictionary of units of measurement is a handy resource for understanding the differences between the international system, the metric system, and U.S. system of measures. Discussions concerning conversions from one system to another are provided along with 40 different calculators (each devoted to converting units in a particular category) and a helpful downloadable pocket guide.

tag(s): measurement (125)

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Mathematicians' of the Day - Anniversaries - University of St. Andrew's

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9 to 12
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Honor a famous mathematician each day of the year using this calendar that provides birth and death dates and biographical information. The site also includes birthplace maps that list...more
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Honor a famous mathematician each day of the year using this calendar that provides birth and death dates and biographical information. The site also includes birthplace maps that list mathematicians by country, a mathematics timeline, a section on the history of math, quotations by mathematicians, and information on math in various cultures.

tag(s): famous people (40)

In the Classroom

Save this site as a favorite and use it as a brain warmer for when students are walking into your classroom. Click on the "today" button and showcase each days findings on the interactive whiteboard or projector. Having to come in and read something on the board will get students quiet and ready for the math lesson for the day.

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Graphics for the Calculus Classroom - Douglas N. Arnold

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10 to 12
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This site provides first year calculus students and teachers with a collection of helpful graphics illustrating a variety of important concepts including differentials and differences,...more
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This site provides first year calculus students and teachers with a collection of helpful graphics illustrating a variety of important concepts including differentials and differences, Archimedes calculation of pi, the number e, secants and tangents, and much more. Each graphic is accompanied by an overview and description.

tag(s): pi (27)

In the Classroom

Use your projector or whiteboard to go over the graphics and concepts on this Calculus site. Then extend and modify learning by asking students to choose a graphic to upload (with proper credit, of course) to Google Drawings, reviewed here, to demonstrate understanding of the concept, Google Drawings allows you to annotate an image with links to videos, text, websites, and more.

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Tessellations

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6 to 12
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The beauty and mathematical precision of tessellations come alive in this site that celebrates these unique and compelling designs. Basic information about tessellations is provided,...more
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The beauty and mathematical precision of tessellations come alive in this site that celebrates these unique and compelling designs. Basic information about tessellations is provided, along with a biographical profile of M.C. Escher, and a list of resources providing more in-depth information. The Gallery contains a number of tessellations created by Escher and others. Especially of interest to teachers and students is an instructional section that explains how to make tessellations using a variety of materials and constructions. Created by David Annal.

tag(s): optical illusions (13)

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Slates, Slide Rules, and Software: Teaching Math in America - Smithsonian

Grades
7 to 12
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Create an interdisciplinary link between math and social studies with this informative site that chronicles the development of teaching tools to help students master abstract mathematical...more
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Create an interdisciplinary link between math and social studies with this informative site that chronicles the development of teaching tools to help students master abstract mathematical concepts. Simple text and graphics make this a very usable site for students of any level. Created by the National Museum of American History

In the Classroom

Use this site as a learning center or station at the beginning of the year in an algebra class to get students thinking about the materials they use and how they can aid learning. This could be a fun accompaniment to syllabus-day or later on in the first week.

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Cryptography - Historical Ciphers - Trinity College, Hartford

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6 to 12
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This presentation by students and faculty at Trinity College, Hartford includes discussions of some of history's more famous cipher and encryption machines, including the infamous German...more
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This presentation by students and faculty at Trinity College, Hartford includes discussions of some of history's more famous cipher and encryption machines, including the infamous German enigma machines. Along the way, there's a presentation on some of the basics of encryption. Students interested in math or computer security will find this one an interesting introduction to a hugely complex topic.

tag(s): cryptography (5)

In the Classroom

Use this site as a quick lesson during a history or statistics class, in an attempt to teach students about how some ciphers were solved and how it affected history. Peruse a few of the ciphers as a class on the interactive whiteboard, as a challenge have students try to make or solve one on their own! Students can present their ciphers on the interactive whiteboard, and try to stump their peers!

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Karl's Calculus Tutor

Grades
10 to 12
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Here's an unusually complete online calculus resource. It includes step-by-step presentation text, written in conversational style, along with a toolkit of interactive calculators and...more
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Here's an unusually complete online calculus resource. It includes step-by-step presentation text, written in conversational style, along with a toolkit of interactive calculators and graphing resources. Add to that an e-mail based Q&A feature and the site becomes a sort of one-stop shopping for online calculus instruction.

tag(s): equations (130)

In the Classroom

The site could supplement a secondary course, or it could be used for individual study in situations where a face-to-face class is not available.

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Math Page

Grades
6 to 12
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Created by a community college professor, this site offers well-organized introductions and reviews for topics ranging from basic arithmetic to pre-calculus, trigonometry, and number...more
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Created by a community college professor, this site offers well-organized introductions and reviews for topics ranging from basic arithmetic to pre-calculus, trigonometry, and number theory. Secondary teachers might find this site helpful as a refresher before introducing new concepts or for students who need a little "brushing up."

tag(s): addition (138), angles (52), decimals (94), division (109), equations (130), fractions (178), geometric shapes (153), logic (165), multiplication (133), percent (60)

In the Classroom

Students can use Free Online Screen Recorder, reviewed here to teach others. Students can create their own review games using Baamboozle, reviewed here. Finally, students can create a virtual bulletin board with answers to various mathematical problems using Stickies.io, reviewed here.

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SimpsonsMath

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6 to 12
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Like them or not, the Simpsons do talk about math from time to time. One enterprising math instructor has indexed the mathematical discussions of Homer and his family based on ...more
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Like them or not, the Simpsons do talk about math from time to time. One enterprising math instructor has indexed the mathematical discussions of Homer and his family based on the DVD recordings now available. If you're both a dedicated fan and creative in your math lessons, you might find this one useful.

tag(s): comics and cartoons (66)

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Infinite Secrets - WGBH

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9 to 12
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What can you do with infinity or pi? While most secondary math curricula are content to merely define them, there's more to the story. Here's a site that explains the ...more
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What can you do with infinity or pi? While most secondary math curricula are content to merely define them, there's more to the story. Here's a site that explains the efforts of Archimedes to identify and explain both terms. Math teachers with an eye toward history will no doubt find a way to integrate some of this material into an interesting class.

tag(s): pi (27)

In the Classroom

Before using this site, you may want to assess what students know about infinity and pi. Put together an assessment asking about basic information using a tool like Vevox, reviewed here, where you can use a variety of formats including multiple choice, open-ended, star rated, and numeric Then choose a topic for students preview for words they don't know and create flashcards using Oodlu, reviewed here, replacing paper and pen with a digital flashcard creator. Have students continue in this manner for other topics. After completion of the exercise, ask students to reflect on their learning using Gravity, reviewed here. Gravity allows students to share video responses through collaborative comments and discussions. Enhance learning by requiring students to comment on at least 3 other students learning reflections. Be sure you've coached students in proper discussion etiquette whether online or in class.

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Engineering Brain Ticklers -Tau Beta Pi - Tau Beta Pi

Grades
9 to 12
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Find yourself some serious puzzlers before heading off to solve the problems on this site maintained by an engineering honor society. While several of the problems at least appear to...more
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Find yourself some serious puzzlers before heading off to solve the problems on this site maintained by an engineering honor society. While several of the problems at least appear to be solvable by mere mortals, others are clearly targeted to the pros. We offer these for secondary teachers who may be working with students interested in advanced math, logic, and physics. The site is drawn from a print publication, and answers are posted quarterly.

tag(s): puzzles (167)

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PLUS Magazine - Cambridge University

Grades
9 to 12
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Created and published at Cambridge University, PLUS is an online magazine about mathematics. While many of the topics are esoteric, the writing attempts to make the presentations -...more
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Created and published at Cambridge University, PLUS is an online magazine about mathematics. While many of the topics are esoteric, the writing attempts to make the presentations - and math in general - appealing and interesting even to those who aren't mathematicians. At this it does a surprisingly good job. This one's worth a look, especially for teachers interested in novel ways of teaching math.

tag(s): climate change (112), equations (130), forensics (12), galileo (6), machines (17), podcasts (167), probability (129), puzzles (167)

In the Classroom

Save this resource in your bookmarks for times you would like to compliment your math instruction with innovative information about using math in real life.

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Mathematical Moments - American Mathematics Society

Grades
9 to 12
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Sponsored by the American Mathematics Society to promote an awareness of mathematics' role in science, nature, technology, and human culture, this site has an index of activity sheets...more
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Sponsored by the American Mathematics Society to promote an awareness of mathematics' role in science, nature, technology, and human culture, this site has an index of activity sheets and related articles that discuss the role of mathematics in everyday activities. A great resource for enrichment activities in math courses.

tag(s): careers (184)

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