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Random Sudoku

Grades
7 to 12
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Any Sudoku fans in your classroom? Send them to this site that provides problem-solving techniques, helpful for successfully conquering some of the most fiendish puzzles. Learn about...more
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Any Sudoku fans in your classroom? Send them to this site that provides problem-solving techniques, helpful for successfully conquering some of the most fiendish puzzles. Learn about crosshatching, slicing and dicing, and "penciling in." Discover the five rules that stress finding numbers for squares, rather than finding squares for umbers. This truly is a site for the Sudoku aficionados among us.

tag(s): puzzles (208), sudoku (18)

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Scrabble

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5 to 12
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The challenge and creativity of the original board game comes alive in this virtual version. Review the available tools that can undo, redo, withdraw, sort, and even save an ...more
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The challenge and creativity of the original board game comes alive in this virtual version. Review the available tools that can undo, redo, withdraw, sort, and even save an uncompleted game. Although this "solitaire" Scrabble game misses the group interaction of the traditional version, it provides a great opportunity for creative, independent thought related to spelling and vocabulary.

tag(s): spelling (168), vocabulary (324)

In the Classroom

This "just for fun" activity can be utilized as a meaningful reward for completing class work early. Channel students to this site for some vocabulary building during down-time.

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Alice Mazes

Grades
4 to 8
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This series of eight interactive mazes brings some unique challenges to the usual navigation process. Users must keep an eye on directional arrows and their numeric values, as they...more
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This series of eight interactive mazes brings some unique challenges to the usual navigation process. Users must keep an eye on directional arrows and their numeric values, as they move toward their goal. Mazes can be "restarted" in the likely event that a user may become hopelessly stuck. Solutions are neither simple nor quick, so recommend these to your most tenacious students who love a challenge. Great extension activity for gifted and high ability students.

tag(s): puzzles (208)

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Mankala - Roger E. Critchlow, Jr.

Grades
7 to 12
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Most students are familiar with the traditional Mankala game that uses a rectangular wooden board and stones, but this online version adds a few interesting options and variations....more
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Most students are familiar with the traditional Mankala game that uses a rectangular wooden board and stones, but this online version adds a few interesting options and variations. Read the instructions carefully! Students can play against the computer or with a partner.

In the Classroom

Add this mind-stretching game of strategy to a unit on African history and culture. A nice activity to add to a celebration of Black History Month.

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Sudoku Mini - TeachersAndFamilies

Grades
3 to 7
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This mini version of the highly popular Sudoku game is just right for honing elementary students' math and logic skills. Find the right numbers to fill all the squares. There's ...more
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This mini version of the highly popular Sudoku game is just right for honing elementary students' math and logic skills. Find the right numbers to fill all the squares. There's a new game each week. An expanded Sudoku game is available in the TeachersAndFamilies member area. Requires the FLASH plug-in.

tag(s): logic (235), puzzles (208), sudoku (18)

In the Classroom

Use this one as a self-stufy resource to build math and logic skills.
 This resource requires Adobe Flash.

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Brain Food - Rinkworks

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5 to 8
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Word games, logic problems, and riddles can provide invaluable problem-solving practice for your students, regardless of your subject area. This site offers links to hundreds of challenging...more
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Word games, logic problems, and riddles can provide invaluable problem-solving practice for your students, regardless of your subject area. This site offers links to hundreds of challenging activities that will provide a work-out for the mind.

tag(s): logic (235), riddles (15)

In the Classroom

Use these activities as enrichment options in your classroom.

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The Ultimate Puzzle Site

Grades
4 to 12
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This collection of puzzles, riddles, brainteasers, and interactive tests challenges students to think outside of the box and improve their analytical skills while having fun. Puzzles...more
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This collection of puzzles, riddles, brainteasers, and interactive tests challenges students to think outside of the box and improve their analytical skills while having fun. Puzzles are graded by level of difficulty and the amount of math needed to arrive at a solution.

tag(s): puzzles (208), riddles (15)

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Consecutive Numbers Problem - PBS

Grades
6 to 8
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Here's a math activity that will test students' skills at logic as well as number operations. Students must arrive at a series of consecutive numbers that add up to a ...more
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Here's a math activity that will test students' skills at logic as well as number operations. Students must arrive at a series of consecutive numbers that add up to a target total. It's a tricky challenge, and the site includes comments from several students on the strategies they used to solve the problem. Try this one for students who need a little extra challenge now and then.

tag(s): estimation (46), logic (235), numbers (204)

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Activities: Harry Potter and the Order of the Phoenix - TeachersFirst

Grades
4 to 8
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TeachersFirst offers a chapter-by-chapter set of activities for Harry Potter and the Order of the Phoenix . Designed to be used after each chapter, the activities include science...more
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TeachersFirst offers a chapter-by-chapter set of activities for Harry Potter and the Order of the Phoenix . Designed to be used after each chapter, the activities include science searches, writing, and art projects suitable for individual or group use. The ideas and activities ask you to respond, extend, discuss, create, and more. There is simply no better way to try new "After Reading" strategies. Don't miss this great collection as a way to encourage anyone to get the most from reading and re-reading a new favorite. Find links to activities for two other Harry Potter books on the Intro page.

tag(s): harry potter (12)

In the Classroom

Share the link on your teacher web page or in a parent newsletter, if you don't have time to do all the activities at school. Challenge students to design similar activities to accompany other Harry Potter (or other favorite) books.

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Activities: Harry Potter and the Half-Blood Prince - TeachersFirst

Grades
4 to 8
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TeachersFirst offers a set of chapter-by-chapter response activities for Harry Potter and the Half Blood Prince. Use art, writing, and web research to answer questions or think...more
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TeachersFirst offers a set of chapter-by-chapter response activities for Harry Potter and the Half Blood Prince. Use art, writing, and web research to answer questions or think about the issues in a particular chapter. Ideal for individual use, and many of these could serve as the basis for a group discussion on topics like loyalty and leadership. The ideas and activities ask you to respond, extend, discuss, create, and more. There is simply no better way to try new "After Reading strategies. Don't miss this great collection as a way to encourage anyone to get the most from reading and re-reading a new favorite. Find links to two other sets of Harry Potter book activities on the Intro page.

tag(s): harry potter (12)

In the Classroom

Share the link on your teacher web page or in a parent newsletter, if you don't have time to do all the activities at school. Ask students to design similar activities to accompany other Harry Potter (or other favorite) books.

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Jig Zone - jigzone.com

Grades
1 to 12
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Make this virtual jigsaw puzzle site available for those inevitable moments of "downtime" in the classroom. Choose a topic from the gallery (preferably one that relates to your curriculum),...more
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Make this virtual jigsaw puzzle site available for those inevitable moments of "downtime" in the classroom. Choose a topic from the gallery (preferably one that relates to your curriculum), select a level of difficulty (number of pieces), and start the challege. These puzzles are not only a lot of fun, but good exercises for developing spatial skills. The pop-ups are annoying but can be blocked by Windows XP. Allow time for the site to load. Check the Frequently Asked Questions link (at the bottom of the page)for troubleshooting if you are having difficulty making the puzzles work.

tag(s): puzzles (208)

In the Classroom

Combine a brain-warming activity with a bit of review, and create your own jig-saws for students to solve! First, access the section entitled "Turn your photos into puzzles," and select an image pertinent to a specific unit and upload it to the site. Once the jigsaw puzzle has been created, have students open the puzzle on individual computers and compete to see who can get the best time putting the image back together! The best images to use would be diagrams, or model images of a particular object. This site works amazingly well for science classes were students need to be familiar with specific images. An example would be have anatomy students re-construct skeletal images, etc. A clever way to get their minds thinking!

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Word Morph - WordPlays.com

Grades
6 to 12
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This challenging, interactive word game is more than a "just-for-fun" activity. Students must use strategy and vocabulary skills to make changes to a starting word - one letter at a...more
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This challenging, interactive word game is more than a "just-for-fun" activity. Students must use strategy and vocabulary skills to make changes to a starting word - one letter at a time - and form a new word. Each word morph can be solved in 10 moves or less, but must be completed within 5 minutes. A purposeful and competitive "filler" to add to a language arts class.

tag(s): thesaurus (24), vocabulary (324), word choice (26)

In the Classroom

Use this site as a learning station for students who may finish work early, and need something productive to do to avoid bothering other students. To make it competitive, keep a record board near the computer where students can log their high scores. Competing against each other may make students more interested to play for a new minutes at a time, and less likely to disturb others in testing situations.

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Brainteasers - Houghton Mifflin

Grades
3 to 8
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Tune in weekly to this site for new brainteasers designed to challenge students in grades three through eight. Check back a week later to see if you've solved them correctly. ...more
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Tune in weekly to this site for new brainteasers designed to challenge students in grades three through eight. Check back a week later to see if you've solved them correctly. Hints are provided for each question. Use this site as a motivator for your math students - reward extra points for those who choose to exercise their problem-solving skills.

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SAT Preparation Center - The College Board

Grades
7 to 12
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For students approaching that ever-important College Board test, this site is an invaluable resource. Features include a "question of the day," a series of practice questions that address...more
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For students approaching that ever-important College Board test, this site is an invaluable resource. Features include a "question of the day," a series of practice questions that address math, critical reading, and writing skills, a review of the dreaded essay question, and a full-length practice test that can be downloaded and printed after completing free registration.

tag(s): college (43), test prep (96)

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Illusions - The Exploratory

Grades
4 to 12
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These ten interactive optical illusions demonstrate how the eye can be easily deceived and give students a chance to question and analyze what they're actually seeing. Plug this into...more
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These ten interactive optical illusions demonstrate how the eye can be easily deceived and give students a chance to question and analyze what they're actually seeing. Plug this into a science or psychology lesson and let the discussions begin.

tag(s): eyes (6), optical illusions (11)

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Art Detective - Tate Museum

Grades
5 to 8
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There's a mysterious piece of art in the gallery? Can you discover its secrets? Send your students on a virtual mission to work through the mystery while interacting with a ...more
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There's a mysterious piece of art in the gallery? Can you discover its secrets? Send your students on a virtual mission to work through the mystery while interacting with a variety of activities, multiple-choice quizzes and images. Discovering one piece of information leads to understanding another facet of the mystery. Responses are automatically recorded in the "Detective's Notebook," so students can keep track of their progress.

tag(s): art history (70)

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Hangman

Grades
4 to 12
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Whether your students are learning how to spell the fifty states, reviewing chemistry terms, or trying out their foreign language skills, this collection of thematic hang-man games...more
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Whether your students are learning how to spell the fifty states, reviewing chemistry terms, or trying out their foreign language skills, this collection of thematic hang-man games can provide a fun way to practice! Select a topic (most are curriculum-related, a few are just for fun) and try the interactive games, or print out the blank hang-man worksheets and create your own.

tag(s): grammar review (37)

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Playing With Time - Minnesota Science Museum

Grades
1 to 12
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Amazing sights await you in this site that takes a fascinating look at how the world around you changes. Visitors can actually control the passage of time - speed it ...more
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Amazing sights await you in this site that takes a fascinating look at how the world around you changes. Visitors can actually control the passage of time - speed it up or slow it down - and view the coming of spring, the evolution of the continents, or the incredible functions of the human eye. Follow the Activities link to find some visually challenging interactive activities. This site would be an engaging addition to a life science or art lesson. Use the activities to encourage creative problem solving, or select one of the video images to use as a creative writing prompt.

tag(s): time (144)

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Decipher a Coded Message - PBS Nova

Grades
4 to 8
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Calling all gumshoes! Your mission is to analyze and crack a simple cipher. Don't worry. this online decoder provides instructions and hints along the way. If your students like to...more
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Calling all gumshoes! Your mission is to analyze and crack a simple cipher. Don't worry. this online decoder provides instructions and hints along the way. If your students like to solve cryptograms, they'll enjoy applying their knowledge of words, spelling, and sentence structure to this activity. Use this as a "filler," or incorporate into a literature unit on mysteries. Challenge your student to create their OWN ciphers!

tag(s): cryptography (2)

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Nrich - Cambridge University

Grades
1 to 12
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This collection of interactive games, and articles is designed to challenge students to use their problem solving skills. Activities are organized according to UK education system levels,...more
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This collection of interactive 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. This site requires FLASH. Get it from the TeachersFirst Toolbox page.

tag(s): problem solving (272)

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