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Math Cats - Wendy Patti

Grades
2 to 8
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This collection of playful, interactive activities covers a wide range of math skills: story problems, principles of geometry, fractions, multiplication, big numbers, symmetry and tessellations,...more
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This collection of playful, interactive activities covers a wide range of math skills: story problems, principles of geometry, fractions, multiplication, big numbers, symmetry and tessellations, and much more! Virtual "math cats" prowl around, explaining various concepts and special features. There is a lot to explore on this site! Two particularly impressive sections include Math Crafts, a collection of creative math-related projects, and Microworlds, a selection of downloadable interactive games.

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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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Learn to Read - Starfall.com

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1 to 3
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If you're looking for a resource that will engage reluctant readers or help new readers with unfamiliar vocabulary words, you may want to incorporate these fun and interactive stories...more
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If you're looking for a resource that will engage reluctant readers or help new readers with unfamiliar vocabulary words, you may want to incorporate these fun and interactive stories into your classroom. Students can read through the interactive texts independently, click on troublesome words, and listen to their pronunciations. Select from movies, videos, and games that illustrate special sounds, pronunciations, and spelling rules.

tag(s): audbk (25), audint (12), audio books (42), audtxt (19), sound (71), sounds (38), vocabulary (255)

In the Classroom

Use the movies to introduce the class to the alphabet. After working on letter sounds use the games and books during station time to reinforce letter sounds and spelling rules.

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Primary Apps

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1 to 6
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Choose from a variety of entertaining and interactive on-line games to test students' comprehension. Topics include fractions, simple operations, and mental arithmetic, graphing with...more
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Choose from a variety of entertaining and interactive on-line games to test students' comprehension. Topics include fractions, simple operations, and mental arithmetic, graphing with coordinates, spelling, and word recognition. Created by Primary Games, Ltd.

tag(s): charts and graphs (184), spelling (92)

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Mission: Biomes - NASA

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3 to 8
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This site builds on student knowledge of math, science, and world geography while introducing the concept of biomes. Using photos, fact sheets, and descriptive texts, students can explore...more
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This site builds on student knowledge of math, science, and world geography while introducing the concept of biomes. Using photos, fact sheets, and descriptive texts, students can explore seven diverse biomes and discover where in the world they can be found. Two interactive missions are designed to test student knowledge. Activities relate directly to National Science, Math, and Social Studies standards. Created by NASA

tag(s): biomes (96), ecosystems (112), environment (246)

In the Classroom

Students can play the two games that are featured on the site. Students can share their interesting facts on Stormboard, reviewed here.

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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 (128)

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 (139), angles (51), decimals (92), division (109), equations (128), fractions (174), geometric shapes (152), logic (176), multiplication (133), percent (59)

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 (67)

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Infinite Secrets - WGBH

Grades
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 (26)

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 (176)

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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 (128), forensics (12), galileo (6), machines (17), podcasts (180), probability (133), puzzles (176)

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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Archimedes' Laboratory Puzzles

Grades
6 to 12
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With puzzles to make, puzzles to solve, and optical illusions to observe, this interactive site puts brains and eyes to the test. The site also has a maze maker, math ...more
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With puzzles to make, puzzles to solve, and optical illusions to observe, this interactive site puts brains and eyes to the test. The site also has a maze maker, math games, word games, and tricks to perform. The "Puzzles to make" section has detailed directions and printable instructions for using these puzzles in the classroom.

tag(s): puzzles (176)

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Algebra Topics Index - PurpleMath

Grades
9 to 12
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This comprehensive high school & college algebra site provides actual lessons and examples for learning basic, intermediate, and advanced algebra topics. Whether used to guide lesson...more
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This comprehensive high school & college algebra site provides actual lessons and examples for learning basic, intermediate, and advanced algebra topics. Whether used to guide lesson plans or an algebra refresher for students, this site's practical approach to algebra topics makes it an extremely useful.
This site includes advertising.

In the Classroom

An excellent tool for review, save this website on the class-computers "favorites," and post it on the class wiki or webpage, so students can access it both in and out of the classroom. Encourage students to use it to study for questions, or to better understand homework assignments.

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Mathematics

Grades
9 to 12
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Despite its awkward subtitles, this site offers concise, amply illustrated presentations on algebra, trigonometry, and other branches of mathematics. Teachers may find this site useful...more
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Despite its awkward subtitles, this site offers concise, amply illustrated presentations on algebra, trigonometry, and other branches of mathematics. Teachers may find this site useful when they need a perspective that's different from their usual text. Students can use the information in the same manner, as another explanation when they're stumped by the textbook, although there's no real search feature. Well worth a look.

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Math World - Wolfram

Grades
7 to 12
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This latest edition of a site that's been around for many years offers users a concise guide to secondary mathematics and its applications, from algebra to topology, statistics, number...more
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This latest edition of a site that's been around for many years offers users a concise guide to secondary mathematics and its applications, from algebra to topology, statistics, number theory, and more. We particularly like the conciseness of the explanations. Students who need another look at a concept will almost certainly find something useful here.

tag(s): probability (133), statistics (127)

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Balanced Assessment in Mathematics - Harvard University

Grades
1 to 12
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Harvard University's Graduate School of Education offers this collection of downloadable mathematics assessment tools for grades K-12. This collection includes several technology-based...more
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Harvard University's Graduate School of Education offers this collection of downloadable mathematics assessment tools for grades K-12. This collection includes several technology-based tools. Each assessment is a Word document. Rubrics are provided for each assessment task. Users should note that these are intended for preview purposes.

tag(s): assessment (140)

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Mathematics - MIT Open Courseware - Massachusetts Institute of Technology

Grades
9 to 12
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...more
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tag(s): advanced placement (25)

In the Classroom

High school math teachers, especially those teaching AP students, may find MIT's online course materials useful. MIT has committed to putting its entire curriculum on the web, and these early offerings include syllabi, reading materials, and a variety of subject-specific class notes. Before using these pages, teachers, students, and parents should all be aware of what Open Courseware is and is not.

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