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Braingle: Mentalrobics Vocabulary
Find new words to exercise your brain and expand your vocabulary. This website provides a "word of the day," complete with definition and example sentence.
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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: 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: 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: 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.
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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: 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.
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Braingle: Mentalrobics Creativity
Exercise your brain and creative thinking. Find daily questions, games, and ideas that will force you to brainstorm, create, imagine, and use your creativity on your own or in a classroom setting.
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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: 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.
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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.
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Braingle: Mentalrobics Memory
Prepare for tests and exams by using the memorization techniques described at this website. Learn about the "story system," the "link system," the "keyword-mnemonic technique," and other ways all students can improve their memory skills.