TED Talks
Ted: Ted Ed: Can You Solve the Counterfeit Coin Riddle?
You're the realm's greatest mathematician, but ever since you criticized the Emperor's tax laws, you've been locked in the dungeon. Luckily for you, one of the Emperor's governors has been convicted of paying his taxes with a counterfeit...
ABCya
Ab Cya: Ball Ornaments Puzzle
Ball Ornaments Puzzle is a fun winter holiday activity. Kids must find as many ornaments as possible by locating matches to the example ornaments shown. The game is over when all 150 ornaments have been found or when the time has run...
Other
Puzzle Parlor
Find a collection of colorful, interactive, challenging puzzles: Hexnut Jr., Quintapaths, Roundominoes, and others.
ABCya
Ab Cya: Puzzle Drops
Puzzle Drops is a fun match-3 puzzle game that the whole family will enjoy! Click/tap to rotate the puzzle piece and then drag it to the appropriate place on the game board. You'll have to use some strategy to reach the goal in each level.
ABCya
Ab Cya: Daisy's Plumber Puzzle
Daisy needs your help getting water to all the snoozing flowers! Use your plumber skills to rearrange the pipes so that the water flows from the faucet to the thirsty flower. The whole family will have fun with this puzzle game!
University of Cambridge
University of Cambridge: Nrich: Octa Space
At this one page web site see if you can solve this puzzle involving the edges of an octahedron. You will definitely need to use your problem solving and spatial reasoning skills for this!
University of Cambridge
University of Cambridge: Nrich: Shutting Puzzle
Sharpen your problem solving skills and figure out a solution for this interesting problem. The solution is on this one page website so that you can check your answer.
University of Cambridge
University of Cambridge: Nrich: Game Fifteen
Sharpen your problem solving and strategy skills playing this interactive game, Fifteen. The rules are simple but the game requires some thinking if you want to beat the computer. There is a "Printable Page," link if you want to print it...
University of Cambridge
University of Cambridge: Nrich: Game: Tandem
Sharpen your problem solving and strategy skills playing this game. There is a "printable page" link if you want to print it out to help you work with the problem.
Math Cats
Math Cats: Jumping Math Cats
An interactive game where players use problem-solving and logic to jump as many of the math cat faces as possible.
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...
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.
PBS
Pbs Learning Media: Cyberchase: Fixing the Teleporter Part 1
In this Cyberchase video, the Teleporter breaks and the CyberSquad must try to fix it using clues given to them by Ms. Fileshare. This is one in a series of two problem-solving videos. [3:49]
ABCya
Ab Cya: Robo Trobo
Robo Trobo is a problem solving game for kids of all ages. Kids will need to guide Robo through complex puzzles in order to complete the different levels. Have fun and think outside the box!
PBS
Using the Pythagorean Puzzle
A printable expercise for students to find that the Pythagorean Theorem works. There are links to problems solving problems using the formula.
ABCya
Ab Cya: Joe Lost 2
Well, Joe got lost again and he needs your help to find his way home in this fun game that helps teach programing skills. Help guide Joe through each level by selecting a command and placing it on the level in the proper order. You'll...
ABCya
Ab Cya: Joe Lost
Poor Joe is lost... He needs your help to find his way home in this fun game that helps teach programming skills. Help guide Joe through each level by selecting a command and placing it on the level in the proper order. You'll have to...
ABCya
Ab Cya: Robot Islands 2
Our little robot friend is back in this fun game to help teach basic programming skills. Help guide the robot through each level by selecting a command and placing it on the map in the proper order. You'll have to use your problem...
ABCya
Ab Cya: Robot Islands
Robot Islands is a fun game to help teach basic programming skills. Help guide the robot through each level by selecting a command and placing it on the map in the proper order. You'll have to use your problem solving skills in order to...
University of Cambridge
University of Cambridge: Nrich: A Cartesian Puzzle
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.
University of Cambridge
University of Cambridge: Nrich: A Puzzling Cube
See if you can figure out which symbols are on which cube face at this one page website. The solution is just a click away once you have your solution in mind.
PBS
Pbs Learning Media: Solving the Sphinx's Fraction Problem
In this Cyberchase video segment, Wicked and Digit solve a fraction puzzle in order to move on in their quest to save the CyberSquad.
TED Talks
Ted: Ted Ed: Can You Solve the Prisoner Boxes Riddle?
Your favorite band is great at playing music but not so great at being organized. They keep misplacing their instrucments on tour.
TED Talks
Ted: Ted Ed: Can You Solve the River Crossing Riddle?
As a wildfire rages through the grasslands, three lions and three wildebeest flee for their lives. To escape the inferno, they must cross over to the left bank of a crocodile-infested river. Can you help them figure out how to get across...