Braingle
Braingle: Language Brain Teasers
"Manipulate words and letters" with these "language brain teasers" that ask you to think about letters, anagrams, syllables, consonants, rhymes, and other topics that you talk about in English class. Try the brain teasers presented here,...
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Braingle: Group Brain Teasers
The brain teasers at this site test "your ability to recognize groups of common attributes" and "to figure out why the words or letters are grouped as they are." Sort brain teasers according to title, popularity, and difficulty, and...
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Braingle: Probability Brain Teasers
Check out the variety of probability brain teasers at this site, which you can sort by popularity and difficulty.
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Braingle: Math Brain Teasers
Check out the variety of math brain teasers at this site, which you can sort by popularity and difficulty.
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Braingle: Cryptography Brain Teasers
Test your critical thinking skills with a variety of cryptography brain teasers, phrases or expressions "encoded in some way." Solve the teasers provided at this site, and submit your own for others to try!
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Braingle: Logic Brain Teasers
Think logically as your solve the brain teasers provided on this page. Test your own logic skills with the puzzles that you can sort by popularity and difficulty, and test others' logic skills by submitting your own puzzles.
Discovery Education
Discovery Education: Brain Boosters
Discovery School offers a terrific "categorized archive of challenging Brain Boosters." Choose from hundreds of engaging activities pertaining to Categorization, Lateral Thinking, Reasoning, Logic, Word and Letter Play, Spatial...
Braingle
Braingle: Optical Illusion Brain Teasers
Check out the variety of optical illusions provided at this site. Fool your eyes with "Chair or Block," "Angles or E," "Old or Young Woman," "Face or Vase," and others.
Other
Games for the Brain
Features great games to wake up the brain. Test your knowledge of words, numbers, vocabulary, and more while having fun.
South Carolina Educational Television
Etv: Nasa Online: Invention Process: Brain Teasers
Interactive brain games that challenge thinking and creativity skills.
Education Place
Houghton Mifflin: Eduplace: Kids' Place Mathematics
Educational publisher Houghton Mifflin provides a colorful, engaging site that offers test-prep practice, test-taking strategies, and brain teasers on a variety of math concepts for grades 1-6. Just "Choose an activity and pick a grade,"...
Education Place
Houghton Mifflin: Eduplace: Kids' Place Mathematics
Educational publisher Houghton Mifflin provides a colorful, engaging site that offers test-prep practice, test-taking strategies, and brain teasers on a variety of math concepts for grades 1-6. Just "Choose an activity and pick a grade,"...
Curated OER
Brain Teasers Banner
Use these twelve printable brain teasers with your math lessons. Each one is illustrated and provides directions to assist you in finding the answer.
US Department of Education
Nces Kids' Zone: Math Teasers
The resource consists of math challenges that use problem-solving skills. Students can check their answers and look at past problems.
TED Talks
Ted: Ted Ed: Can You Solve "Einstein's Riddle"?
Before he turned physics upside down, a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. Can you resist tackling a brain teaser written by one...
Braingle
Braingle: Mystery Brain Teasers
Read stories and solve mysteries based on clues provided. Also, submit your own mysteries for other visitors to this site to solve.
Braingle
Braingle: Letter Equations Brain Teasers
The letter equations at this site test your critical thinking skills as well as your knowledge of facts dealing with a variety of subjects: geography, music, history and more.
San Jose State University
San Jose State University: Categorical Fun
Six logical problems are defined to challenge students to use critical thinking skills as they tackle these brain-teasers. No answers are provided, but there are some instructions for how to approach the problems.
Other
Problems in the Points Contest of Ko Mal
Learn about the annual KoMal competition in mathematics, physics, and information technology, and challenge your ability to solve problems involving advanced algebra, logic, and other related topics through the tests provided at this site.
Other
Light Up Your Brain: Brain Teaser Games & Audio Stories for Kids
Fantastic classic children's stories online that you can listen to while you read along. Stories are offered in streaming or downloadable MP3 format. Some of the popular stories are: "The Tale of Peter Rabbit", "The Tale of the Flopsy...
National Council of Teachers of Mathematics
The Math Forum: K 12 Math Puzzles
This site from the Math Forum of Drexel University provides a selection of math puzzles for grades K through 12 are found here. Types include: taking the numbers in the year 2004 and arriving at the numbers 1 through 100, using four 4s...
Other
Mycoted: Lateral Thinking Puzzles
A storehouse of puzzles designed to train the brain to think in atypical ways. Find riddles, visual puzzles, analogies, math problems, and more. Excellent source of raw material for practicing original and creative thinking one puzzle at...
Maths Challenge
Maths challenge.net: Circular Pipes
A realistic world problem using the knowledge of chords and the parts of a circle to solve. Test your knowledge on this brain teaser!
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
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