Schlumberger
 
Math Puzzles of the Month
Past Puzzles Of The Month

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2008
July
The Speed of Spiders
  August
Build A Cube
   
April
Magic Squares
  May
Getting There And Back
  June
On A Collision Course
January
Square Numbers
  February
Number Series
  March
Happy Birthday
 
2007
October
Toothpick Puzzles
  November
More Toothpick Puzzles
  December
Painting Cubes
July
Nets for Polyhedra
  August
How Many License Plates?
  September
How Much to Pack?
April
Magic Squares
  May
Magic Stars
  June
Boxes, Cubes and Nets
January
The Great Soccer Ball Giveaway
  February
Power to the Pedal!
  March
All the People in the World

2006
October
Polyominoes
  November
Polyomino Puzzles
  December
How Fast Are You Moving?
July
Painting Cubes
  August
Let’s Shake on That!
  September
Hours Minutes and Seconds
April
Which Letter Is This?
  May
Seats at the Table or"No Function Too Large"
  June
Building With Bricks
January
Is It A Sale?
  February
How Can This Field Be Evenly
Divided?
  March
The Tortoise and the Hare…Revisited

2005
October
Four Square Matchsticks
  November
How Many Stamps Do You Need?
  December
Find the Heavy Ball
July
Are All Digits Equal?
  August
More About Benford's Law…
  September
Three Cubes
April
Telling Time
  May
The Commuter’s Choice
  June
Land and Water
January
The Reward
  February
Balancing the Books
  March
How Many Balls Are In The Bag?

2004
October
Can 2=1?
  November
Around the World
  December
How Thick Does it Get?
July
What's Wrong with this Picture?
  August
What Are Your Chances?
  September
Different Dice

April
Rearrange the Coins
  May
More Trees in a Row
  June
Can You Build a Wall Around France?
January
Is it Straight?
  February
The FedEx Problem
  March
A Gallon of Water

2003
October
How Many Regular Mosaics Can You Make?
  November
A Bargain Hotel?
  December
Matching Socks?
July
What Color Hat?
  August
Trees In A Row
  September
Which Bike is Free?

April
Telling Time with Burning Fuses
  May
A Tennis Ball Container
  June
How Can This Be True?
January
The Four Color Theorem
  February
Asking for Directions
  March
The Lines Problem

2002
October
The Right Amount of Water
  November
Measure Exactly 8 Liters of Water
  December
To Tell the Truth
July
How Long Is The Coast Of England?
  August
Which Coin is Fake?
  September
Make it True

April
Float And Sink
  May
The Seven Bridges Of Königsberg
  June
The Monty Hall Problem
January
Number The Doors
  February
Where Are You?
  March
Dividing the Estate

2001
October
Stringing Beads
  November
Connected Loops
  December
Bottleneck
        September
Fruit Juice Tasting

 

   

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