2014-15 Problem of the Week Calendar

Links to the Packets, suggested Activity Series strategies, and Online Resources (and more!) are available from the individual problem page (linked from the titles below). Access to the problems is restricted to users who have subscribed to one of our membership services. More information is available on our Pricing Guide.

Mentor groups (indicated by X) make it possible for more students to receive free mentoring than is normally possible. This list is updated throughout the year.

* Students can submit to problems any time after they open. However, only solutions submitted before the next problem opens will be considered for inclusion in the posted solutions for the Math Fundamentals, Pre-Algebra, Algebra, Geometry, and Trig/Calc problems.

Teachers with Full Memberships or higher can also view the problems from the 2013-14 academic year.

[ Primary | Math Fundamentals | Pre-Algebra | Algebra | Geometry | Trig/Calc ]

Primary

  Submissions
Open
Problem Mentor
Group
 
  Aug 25 Back to School    
  Sep 8 Book Club    
  Sep 22 Catching Minnows    
  Oct 6 Colorful Candies    
  Oct 20 A Walk at the Park    
  Nov 3 Dog Packs    
  Nov 17 Decorating Cookies    
  Dec 1 Magic Rabbits    
  Dec 15 Home On Time    
  Jan 5 How Many Pinecones?    
  Jan 19 Number Fun    
  Feb 2 More Milk!    
  Feb 16 Lunch Line    
  Mar 2 New Pencils    
  Mar 16 Pick 'em Up!    
  Mar 30 Hannah's Cookies    
  Apr 13 Gum for Everyone    
  Apr 27 Gym Line    
  May 11 Goody Bags    
  May 25 Fourth of July    

Summer

  Jun 8 How Many Berries Did I Eat?    
  Jun 22 Pizza Night    
  Jul 6 Summer Problem 3    
  Jul 20 Summer Problem 4    
  Aug 3 Summer Problem 5    
 

Math Fundamentals

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 18 Football Fanfare   Sep 5
  Sep 1 Mr. Lincoln's Line   Sep 19
  Sep 15 Birthday Trip   Oct 3
  Sep 29 Campfire Camaraderie X Oct 17
  Oct 13 So Many Salmon X Oct 31
  Oct 27 Subway Subtotals X Nov 14
  Nov 10 Pizza Dough X Nov 28
  Nov 24 Anthony's Famous Butter Rolls   Dec 12
  Dec 8 Elevator Weigh-in   Dec 26
  Dec 22 How Old is Santa Claus?   Jan 16
  Jan 12 Penny Dates   Jan 30
  Jan 26 Filling Beauty's Seats   Feb 13
  Feb 9 Dad's Cookies   Feb 27
  Feb 23 Cupcakes, Cupcakes!   Mar 13
  Mar 9 Frog Farming   Mar 27
  Mar 23 Teresa's Tiles   Apr 10
  Apr 6 Grampa Joe's Great Grandpets   Apr 24
  Apr 20 Salad Daze   May 8
  May 4 Count the Discount   May 22
  May 18 Cat Walk   Jun 5

Summer

  Jun 1 Rugby Rules!   Jun 19
  Jun 15 The Kickball Tournament   Jul 10
  Jun 29 Eating Grapes   Jul 17
  Jul 13 Summer Problem 4   Jul 31
  Jul 27 Summer Problem 5   Aug 14
  Aug 10 Summer Problem 6   Aug 28
 

Pre-Algebra

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 25 Boxes of Stationery   Sep 12
  Sep 8 Forming Triangles from a Folding Ruler   Sep 26
  Sep 22 Women's Walkway   Oct 10
  Oct 6 Integer Images   Oct 24
  Oct 20 3-D Vision X Nov 7
  Nov 3 Falling Leaves   Nov 21
  Nov 17 The Nutty Squirrel   Dec 5
  Dec 1 Riz's Route   Dec 19
  Dec 15 Radical Darts   Jan 9
  Jan 5 A Happy New Year Wish   Jan 23
  Jan 19 Duke is Missing   Feb 6
  Feb 2 He Ate It All!   Feb 20
  Feb 16 A Pound of Valentine's Chocolate   Mar 6
  Mar 2 Tunnel Time   Mar 20
  Mar 16 Cynthia's Solitaire Challenge X Apr 3
  Mar 30 Mikey and Lily Eat Cereal   Apr 17
  Apr 13 Scale Stepping X May 1
  Apr 27 Change Woes X May 15
  May 11 Building Fences   May 29
  May 25 Ducky Promenade   Jun 12

Summer

  Jun 8 Get Your Kicks on Route 66   Jun 26
  Jun 22 Timber!   Jul 10
  Jul 6 Summer Problem 3   Jul 24
  Jul 20 Summer Problem 4   Aug 7
  Aug 3 Summer Problem 5   Aug 21
 

Algebra

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 18 My Three Dogs   Sep 5
  Sep 1 Calendar Calculations   Sep 19
  Sep 15 Kristina's Code   Oct 3
  Sep 29 Baffling Brother   Oct 17
  Oct 13 What's the Difference?   Oct 31
  Oct 27 Splash!   Nov 14
  Nov 10 Dinner at Pepe's   Nov 28
  Nov 24 Time Trial Triumphs   Dec 12
  Dec 8 Heating the Tub   Dec 26
  Dec 22 To B or Not To B   Jan 16
  Jan 12 Sierpinski Stages   Jan 30
  Jan 26 Battle of the Bands   Feb 13
  Feb 9 Math Club Mystery   Feb 27
  Feb 23 Johnny's Orchards   Mar 13
  Mar 9 Splitting a Square   Mar 27
  Mar 23 What's the Temperature?   Apr 10
  Apr 6 Boxes of Cereal   Apr 24
  Apr 20 Poolish Pride?   May 8
  May 4 Cheap Sunglasses   May 22
  May 18 The Great Northern Triathlon   Jun 5

Summer

  Jun 1 Time Trial Triumphs   Jun 19
  Jun 15 Triangle Probability   Jul 10
  Jun 29 Jimmy's Hits   Jul 17
  Jul 13 Summer Problem 4   Jul 31
  Jul 27 Summer Problem 5   Aug 14
  Aug 10 Summer Problem 6   Aug 28
 

Geometry

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 25 Fitting In   Sep 12
  Sep 8 Lost at Sea?   Sep 26
  Sep 22 Pentagon Puzzle   Oct 10
  Oct 6 Eminen   Oct 24
  Oct 20 Tied in Knots   Nov 7
  Nov 3 Cutting Corners   Nov 21
  Nov 17 How Many Angles?   Dec 5
  Dec 1 Assessing Seismic Risk   Dec 19
  Dec 15 TV Dimensions   Jan 9
  Jan 5 How Deep is It?   Jan 23
  Jan 19 So Many Similar Triangles!   Feb 6
  Feb 2 Four Point Puzzle   Feb 20
  Feb 16 Square in a Right Triangle   Mar 6
  Mar 2 Extending the Enneagon   Mar 20
  Mar 16 Voulez Vous des Voussoirs?   Apr 3
  Mar 30 The Perimeter of an Octagon   Apr 17
  Apr 13 Kyle's Similar Triangles   May 1
  Apr 27 Making a Map   May 15
  May 11 Spring Up, Fall Back   May 29
  May 25 Arc to Area   Jun 12

Summer

  Jun 8 Dendrochronology   Jun 26
  Jun 22 Seeing Stars   Jul 10
  Jul 6 Summer Problem 3   Jul 24
  Jul 20 Summer Problem 4   Aug 7
  Aug 3 Summer Problem 5   Aug 21
 

Trig/Calc

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 18 Preparing for the Test   Sep 5
  Sep 1 Find the Function   Sep 19
  Sep 15 Is It a Midpoint?   Oct 3
  Sep 29 Up, Up, and Away (Part I)   Oct 17
  Oct 13 Up, Up, and Away (Part II)   Oct 31
  Oct 27 Can You Prove It?   Nov 14
  Nov 10 George's Gutters   Nov 28
  Nov 24 Skiing in Vermont   Dec 12
  Dec 8 Pie Puzzler   Dec 26
  Dec 22 A Rhyming Riddle   Jan 16
  Jan 12 Time to Make the Doughnuts   Jan 30
  Jan 26 Stonybrooke River Bridge   Feb 13
  Feb 9 The Growing Snowflake   Feb 27
  Feb 23 Adventure Airlines   Mar 13
  Mar 9 The Suspension Bridge   Mar 27
  Mar 23 Let Me Guess Your Number   Apr 10
  Apr 6 The Indoor Driving Range   Apr 24
  Apr 20 That's a Lot of Rock!   May 8
  May 4 One Area - Many Solutions   May 22
  May 18 Rationals and Irrationals   Jun 5

Summer

  Jun 1 Building Boxes   Jun 19
  Jun 15 Let's Measure the Earth   Jul 10
  Jun 29 Count Your Seinneps   Jul 17
  Jul 13 Summer Problem 4   Jul 31
  Jul 27 Summer Problem 5   Aug 14
  Aug 10 Summer Problem 6   Aug 28
 

* Students can submit to problems any time after they open. However, only solutions submitted before the next problem opens will be considered for inclusion in the posted solutions for the Math Fundamentals, Pre-Algebra, Algebra, Geometry, and Trig/Calc problems.



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