ABCya
Ab Cya: Light on 2
Who turned off the lights? Well, we'll need your help turning them back on. Use logic and reasoning to light up the rooms with the different tools provided. Are you bright enough to complete this challenging puzzle game?
ABCya
Ab Cya: Let Me Grow
Let Me Grow is an entertaining puzzle game. Help get water to the thirsty flowers by removing blocks and opening levees. Be careful not to get the garden gnomes wet! Younger children might need help from adults beyond the first six levels.
TVOntario
Tvo Kids: Games: Big Escape 4: Escape Through Time
Travel through time looking for Dr. Know It All. Look for clues, fill in the missing words in the journal to find him, and then solve some simple puzzles to follow the doctor through time.
University of Canterbury
University of Canterbury: Cs Unplugged
A collection of free learning activities that teach computer science through games and puzzles that use cards, string, crayons and lots of running around. The activities introduce students to computational thinking through concepts such...
ABCya
Ab Cya: Monsterland 2
Junior is back in an all new physics-based puzzle! Help Junior wake up his dad by falling, sliding and crashing into him while he sleeps!
Cut the Knot
Cut the Knot!: Interactive Mathematics: Geometry Articles, Theorems, Problems
Contains over five hundred Geometry articles, problems, puzzles, and games. Some sites relating to circles are provided within this list.
Math Playground
Math Playground: Puzzle Pic Addition Facts
Put together the puzzle to solve the mystery by solving addition problems.
TED Talks
Ted: Ted Ed: How High Can You Count on Your Fingers? Spoiler:much Higher Than 10
How high can you count on your fingers? It seems like a question with an obvious answer. After all, most of us have ten fingers- or to be more precise, eight fingers and two thumbs. This gives us a total of ten digits on our two hands,...
TED Talks
Ted: Ted Ed: Should You Trust Unanimous Decisions?
Imagine a police lineup where ten witnesses are asked to identify a bank robber they glimpsed fleeing the scene. If six of them pick the same person, there's a good chance that's the culprit. And if all ten do, you might think the case...
University of Cambridge
University of Cambridge: Nrich: Seven Pots of Plants
On this one page website sharpen your logic skills while working on this flower pot labels mix up challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Gnomon 1
This interactive activity gives you an opportunity to explore a specific number pattern named the "Fibonacci sequence." See what other patterns you can discover while you manipulate the blocks. There is a "Printable Page" link if you...
ABCya
Ab Cya: Tanagrams Puzzles for Kids
Explore shape recognition and visual spatial reasoning when you play this interactive tangram game. Answers can be checked immediately.
Maths Challenge
Maths challenge.net: Pentominoes
A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities. One may want to cut out the pieces to solve the problem as a puzzle.
Braingle
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.
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!
Other
Websudoku
A fun puzzler to get any mind thinking logically! Try many levels of puzzles using the following rules: "Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3...
Mensa Espana
Juegos De Ingenio Del Club Mensa (051 055)
Solve these math problems to practice for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (056 060)
Solve these math problems to practice for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (061 065)
Solve these math problems to practice for future math competitions. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (001 005)
Challenge yourself with these five math problems. Each problem is marked by their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (011 015)
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (016 020)
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (006 010)
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.
Mensa Espana
Mensa: Juegos De Ingenio Del Club Mensa (021 025)
Challenge yourself with these five math problems. Each problem is marked according to their levels of difficulty.