University of Cambridge
University of Cambridge: Nrich: Got It
Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.
Other
Puzzle Parlor
Find a collection of colorful, interactive, challenging puzzles: Hexnut Jr., Quintapaths, Roundominoes, and others.
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.
Alabama Learning Exchange
Alex: Fun With Problem Solving
The object of this lesson is to teach students that problem solving can be interesting and fun. It is important to pay attention to what is asked and information that is in the problem.This lesson plan was created as a result of the...
Khan Academy
Khan Academy: A Brief Introduction to the Lsat
This article covers the basics of the LSAT. The better you know what to expect, the more comfortable you'll feel in your studies-and the more mental bandwidth you'll have to focus on building the skills you'll need to get a great score!
Fun Trivia
Fun Trivia: As Stubborn as a Mule
This 10-question game requires students to select an animal to complete a saying. Students are directed to double click their answer which brings up the correct answer and an explanation of the saying.
Braingle
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!