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Commitment to Work
Commitment to Work
by Shelly Hazard
The basketball player, Michael Jordan, reflects on his philosophy of work commitment with this month's puzzle.
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Mom Goes Shopping
Mom Goes Shopping
by Shelly Hazard
A woman took her four kids shopping one afternoon. To keep peace, she said she'd buy one item each of their choice. Also she bought each child got an ice cream cone and a drink...
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Egyptian Triangle
Egyptian Triangle
Surveyors in ancient Egypt had a simple tool for making near-perfect right triangles: a loop of rope divided by knots into twelve equal sections. When they stretched the rope to make a triangle whose sides were in the ratio 3:4:5, they knew the largest angle was a right angle...
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Square Skate
Square Skate
This little "skate" can be divided into four identical parts which can form a perfect square. The only task is to find these four parts...
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More Family Brainstorms
Correct Equation
Correct Equation
A new type of puzzles in our matches series - equations. We begin with one of the most elegant among them. Smart math skills will be required.
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The Two Queen Question
The Two Queen Question
A minimax problem: find the maximum and the minimum number of attacked vacant cells of a standard chessboard when there are only two chess queens on it.
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The Triamond
The Triamond
after Martin Gardner
A trapezoid which is formed by joining three equilateral triangles is called a triamond. The triamond can be cut into four congruent parts. But it is said there are two different ways to do that. Check it!
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From 1 Through 19
From 1 Through 19
by Boris Kordemsky
Just write a set of numbers in the circles so that any three of them lying on a straight line always add up to the same total. Is there any algorithm to find the proper solution?
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The Bulbous Blob Puzzle
The Bulbous Blob Puzzle
from PuzzleBeast
Help Professor Albert von Braun to free the red blob from the laboratory sliding it to the upper left corridor, while other blobs are blocking its way out. A collaborative work from M. Oskar van Deventer and James W. Stephens.
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Creaky by Taneda Yosai
Creaky
by Taneda Yosai
There are five two-colored planks in the puzzle and the objective is to turn them over untill a full square painted entirely in one color appear. Simply don't let the planks creak for nothing but the goal.
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Gridgame
Gridgame
by Mark James
Click a tile to launch a rotational chain reaction - as long as possible. Tiles start each other when their lines are connected. Naturally, the question is what tile to click in order to release the longest possible chain reaction.
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Quarda by Nick Kouvaris
Quarda
by Nick Kouvaris
All small squares of the same color have to be assembled in vertical lines. There is the only way to move the squares - rotate them inside the 3x3 box either in clockwise or counterclockwise direction. Only 4 levels, but none of them will be easy.
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What's New
Discover new weekly features - at Puzzles in Education  |   September 5, 2010
Correct Equation - arrange seven matches into the equation  |   September 2, 2010
The Two Queen Question - a minimax problem with 2 queens  |  September 2, 2010
The Triamond - the triamond can be cut into four congruent parts  |  September 2, 2010
From 1 Through 19 - write the numbers 1-19 in the circles...  |   September 2, 2010
The Bulbous Blob Puzzle - free the red blob from the laboratory  |  August 31, 2010
Creaky - turn planks over untill a full square painted in one color appears  |  August 31, 2010
Gridgame - click a tile to launch a rotational chain reaction  |  August 31, 2010
Quarda - assemble small squares of the same color in vertical lines  |  August 31, 2010
Windmill Puzzle - try to get disks sorted by tilting the windmill  |  August 31, 2010
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Last Updated: September 5, 2010
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