ABCya
Ab Cya: Zero Sum
Welcome to Zero Sum, a fun math-puzzle game! Drag the tiles over the target numbers to reduce their values to zero. Be careful to make sure that none of the target numbers get reduced below zero. If you get stuck, use the reset button to...
Math Cats
Math Cats: Guess My Number
Try to guess the number that the sleeping cat is dreaming of from the range of numbers that you set.
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.
NASA
Nasa: Earth Science Games
Have fun while exploring earth science. NASA offers seven games online games: Droplet and the Water Cycle, What on Earth?, Word Puzzles, Drag 'n Drop Puzzles, Pangaea Map Game, Tectonics Quiz, and Color Me!
Other
Paul Gauguin Games
Paul Gauguin's artwork has been scrambled! You need to use the mouse to put these three puzzles back together. French version is available by clicking back to homepage.
Cut the Knot
Cut the Knot: 3 Glasses Puzzle
Challenge students to a well-known riddle involving three different-sized glasses, some water, and a goal of a certain amount to be measured out. At this site, students can actually "pour" the water back and forth to solve the problem.
Other
Puzz.com's 1001 Best Puzzles: Brain Training Games: Analogies
These four self-scoring analogy tests include a number of open ended analogies to challenge your logic skills.
Other
Hong Kong Education City: English Campus
English Campus is an excellent site for Chinese speakers learning English. It includes seven channels - Watch, Read, Practice, Play, Create, Meet, and a Teachers' Corner. Learn by playing word and grammar games, watching movies and...
Roy the Zebra
Roy the Zebra: Does It Make Sense?
Two reading games where students are given two sentences, and will choose the sentence that makes sense. For each correct answer, students will be given puzzle pieces to put in place.
ABCya
Ab Cya: 2048
2048 is a challenging number puzzle for kids and grown ups. The object is to join the numbers to get the 2048 tile. Use your arrow keys to move tiles. When two tiles with the same number touch, they merge into one!
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.
Roy the Zebra
Roy the Zebra: Reading Game: Does It Make Sense? Game 3
This reading game offers young readers two sentences; they are to click on the one that makes sense. Then they are to drag a piece of a rocket puzzle into place. When the puzzle is complete, the game is over.
Roy the Zebra
Roy the Zebra: Does It Make Sense? Game 2
In this reading game young readers sees two sentences; they click on the one that makes sense. Then they drag a piece of rocket puzzle into place. When the puzzle is complete, the game is over.
Roy the Zebra
Roy the Zebra: Reading Game: Does It Make Sense? Game 4
This reading game offers young readers two sentences; they are to click on the one that makes sense. Then they are to drag a piece of a rocket puzzle into place. When the puzzle is complete, the game is over.
Love To Know Media
Your Dictionary: Games for Grammar Usage in High School
This article advocates the use of games to teach grammar to high school students. It offers reasons and ideas for finding such games and describes one game called SWAT.
Love To Know Media
Your Dictionary: Rhyming Word Games
This article explains that rhyming words help children learn to spell. It describes how to play three different rhyming word games: Disappearing Rhyme Man, Rhyme that Word, and Rhyme Hunt.
British Council
British Council: Goldilocks Porridge Puzzle
Play Porridge Puzzle with Goldilocks to uncover words from the familiar childhood tale "Goldilocks and the Three Bears."
University of Washington
The Senses
This site has a collection of learning activities, games, experiments, and lesson plans on the five senses. Organized by grade level and topic, this site is packed with an assortment of interactive and engaging activities, that would...
New York Times
New York Times: Crossword Puzzle: Weather
The New York Times Learning Network has developed interactive and printable crossword puzzles. The theme of this one is weather.
New York Times
New York Times: Crossword Puzzle: The Olympics
The New York Times Learning Network has developed interactive & printable crossword puzzles. The theme of this one is The Olympics.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Science Crossword Puzzles: The Ear [Pdf]
Practice with vocabulary about the ear by completing this seven-question crossword puzzle.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Science Crossword Puzzles: Matter Changing States [Pdf]
Practice with vocabulary about the changing states of matter by completing this seven-question crossword puzzle.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Science Crossword Puzzles: Common Molecules [Pdf]
Practice with vocabulary about common molecules by completing this seven-question crossword puzzle.