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.
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!
ClassFlow
Class Flow: Brain Sizzlers
[Free Registration/Login Required] This flipchart contains one page logic puzzles adapted from the book Brain Sizzlers. These activities make great warm ups for math grades 6- algebra.
ABCya
Ab Cya: Jelly Doods
Jelly Doods is a fun puzzle game for both children and adults! Slide the jellies around the screen to combine all the matching colors. You only have so many moves to complete each puzzle, so make sure you plan accordingly!
TED Talks
Ted: Ted Ed: Can You Solve the Three Gods Riddle?
You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician Raymond Smullyan, and popularized by his colleague George Boolos, this...
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: Mythical Jewels
A whole treasure chest awaits and diamonds & emeralds abound in this glittering Match-3 puzzle game. Create bigger matches for awesome boosts! Can you reach a high score before you run out of moves?
ABCya
Ab Cya: Fuzz Bugs Factory
The Fuzz Bugs are back in their factory in this logic puzzle game that will challenge kids and adults! The object of Fuzz Bugs Factory is to create Fuzz Bugs with designs that match the target Fuzz Bug in each level. Utilize the...
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!
ABCya
Ab Cya: Alarmy 2
Alarmy is back in this fun physics based puzzle game! Kids of all ages can help Alarmy wake up more of his fuzzy friends. Alarmy 2 is packed full of new challenges and obstacles. Do you have what it takes to collect all 72 stars?
ABCya
Ab Cya: Alarmy
Alarmy is a fun physics based puzzle game for all ages! Help Alarmy wake up his fuzzy friends as he makes his way through different levels. You never know what type of challenges Alarmy will face!
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!
Other
Mystery Master: Logic Puzzles
Find several logic puzzle ranging from "very easy" to "very challenging."
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...
Other
Nz Maths Problem Solving Lesson Plans: Level 4
This New Zealand Problem Solving website is an outstanding resource for lesson plans. They are organized into the following categories: algebra, geometry, measurement, numbers, statistics, and logic and reasoning.
ClassFlow
Class Flow: Mental Math
[Free Registration/Login Required] This flipchart is a group of one page starter exercises that require students to use logic to find the solution.
ClassFlow
Class Flow: Shape Sudoku
[Free Registration/Login Required] Sudoku puzzles are fun for all ages. To complete a puzzle there must be one of each shape in a row, column and quadrant. It's a great way to teach strategies while the children are solving the puzzles.
University of Cambridge
University of Cambridge: Nrich: Clever Santa
Help Santa figure out how many puzzles and books to leave for the children of this family. Once you figure it out you can check the solution.
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.
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...
Texas Instruments
Texas Instruments: Numb3 Rs: Truth or Dare
Based off of the hit television show NUMB3RS, this lesson present a series of five logic puzzles, most of which include the classic "liars and truth-tellers" format. On the teacher's page, sample leading questions are presented to help...
Other
Juegos, Acertijos, Y Recreaciones Matematicas
In Spanish. A variety of logic problems, including puzzles and word problems with links to the answers. An excellent site to engage Spanish speaking students.
TED Talks
Ted: Ted Ed: Can You Solve the Prisoner Hat Riddle?
You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not...