2015-16 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 2014-15 academic year.

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

Primary

  Submissions
Open
Problem Mentor
Group
 
  Aug 17 A Game of Dice    
  Aug 31 Playing Cards    
  Sep 14 At the Fair    
  Sep 28 Color Competition    
  Oct 12 Making Sandwiches    
  Oct 26 Building a Fence    
  Nov 9 Pretzel Riddle    
  Nov 23 At the Grocery Store    
  Dec 7 Getting Allowance    
  Dec 28 Laying Carpet    
  Jan 11 Prize Box    
  Jan 25 Puppies for Sale    
  Feb 8 Letter to Grandma    
  Feb 22 Problem 14    
  Mar 8 Problem 15    
  Mar 22 Problem 16    
  Apr 5 Problem 17    
  Apr 19 Problem 18    
  May 3 Problem 19    
  May 17 Problem 20    
 

Math Fundamentals

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 24 Sharing Birthdays   Sep 11
  Sep 7 Chime Time   Sep 25
  Sep 21 Sports Weigh In   Oct 9
  Oct 5 A Pound of Tea   Oct 23
  Oct 19 Apple Inventory   Nov 6
  Nov 2 Subway Tokens   Nov 20
  Nov 16 Trapezoid Teatime   Dec 4
  Nov 30 Zoo Train   Dec 18
  Dec 14 Four Playful Mathematicians   Jan 8
  Jan 4 Fish in a Barrel   Jan 22
  Jan 18 Assembly Seating   Feb 5
  Feb 1 Nuts in a Bowl   Feb 19
  Feb 15 Pauline the Plumber in preview   Mar 4
  Feb 29 Problem 14   Mar 18
  Mar 14 Problem 15   Apr 1
  Mar 28 Problem 16   Apr 15
  Apr 11 Problem 17   Apr 29
  Apr 25 Problem 18   May 13
  May 9 Problem 19   May 27
  May 23 Problem 20   Jun 10
 

Pre-Algebra

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 17 At Least a Mile   Sep 4
  Aug 31 Cork Costs   Sep 18
  Sep 14 Buying Cola   Oct 2
  Sep 28 Downloading Duel   Oct 16
  Oct 12 Apple Picking   Oct 30
  Oct 26 Pumpkin Carving for Charity   Nov 13
  Nov 9 Peeling Potatoes   Nov 27
  Nov 23 A Cranberry Craving   Dec 11
  Dec 7 Eight Squares on a Table   Jan 1
  Dec 28 A Snowy Driveway   Jan 15
  Jan 11 Which Coupon is Better?   Jan 29
  Jan 25 Anjelica's Very Odd Magic Sweater   Feb 12
  Feb 8 Gearing Up   Feb 26
  Feb 22 Problem 14   Mar 12
  Mar 8 Problem 15   Mar 26
  Mar 22 Problem 16   Apr 9
  Apr 5 Problem 17   Apr 23
  Apr 19 Problem 18   May 7
  May 3 Problem 19   May 21
  May 17 Problem 20   Jun 4
 

Algebra

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 24 Operation Warm Up   Sep 11
  Sep 7 Filling Glasses   Sep 25
  Sep 21 Eating Contest   Oct 9
  Oct 5 Sierpinski Stages   Oct 23
  Oct 19 To Be or Not to B   Nov 6
  Nov 2 Voter Turnout   Nov 20
  Nov 16 A Championship Season   Dec 4
  Nov 30 How Many Ties?   Dec 18
  Dec 14 Two by Canoe   Jan 8
  Jan 4 A Slippery Slope   Jan 22
  Jan 18 Symbol Logic   Feb 5
  Feb 1 Pressed for Time   Feb 19
  Feb 15 A Phone-y Deal? in preview   Mar 4
  Feb 29 Problem 14   Mar 18
  Mar 14 Problem 15   Apr 1
  Mar 28 Problem 16   Apr 15
  Apr 11 Problem 17   Apr 29
  Apr 25 Problem 18   May 13
  May 9 Problem 19   May 27
  May 23 Problem 20   Jun 10
 

Geometry

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 17 Integer Triangle Angles   Sep 4
  Aug 31 Congruent Rectangles Help   Sep 18
  Sep 14 Finding a Supplement   Oct 2
  Sep 28 All Around the World   Oct 16
  Oct 12 Boxing Up Harry's Broom   Oct 30
  Oct 26 Eight Sticks Zero Triangles   Nov 13
  Nov 9 Analyzing Angles   Nov 27
  Nov 23 Lotsa Popcorn!   Dec 11
  Dec 7 Nautical Navigation   Jan 1
  Dec 28 The Coordinated Quadrilateral   Jan 15
  Jan 11 Building a Regular Hexagon   Jan 29
  Jan 25 Measuring Cylinders   Feb 12
  Feb 8 Regional Ratios   Feb 26
  Feb 22 Problem 14   Mar 12
  Mar 8 Problem 15   Mar 26
  Mar 22 Problem 16   Apr 9
  Apr 5 Problem 17   Apr 23
  Apr 19 Problem 18   May 7
  May 3 Problem 19   May 21
  May 17 Problem 20   Jun 4
 

Trig/Calc

  Submissions
Open
Problem Mentor
Group
Solutions
Posted
  Aug 24 Building Boxes   Sep 11
  Sep 7 Goose Bay Mountain   Sep 25
  Sep 21 Costly Cable   Oct 9
  Oct 5 Count Your Seinneps   Oct 23
  Oct 19 World Series Champions   Nov 6
  Nov 2 Environmentally Friendly   Nov 20
  Nov 16 Let's Measure the Earth   Dec 4
  Nov 30 Count to Ten?   Dec 18
  Dec 14 Building Bridges   Jan 8
  Jan 4 The General Box Company   Jan 22
  Jan 18 Cooling Colas   Feb 5
  Feb 1 Cutting the Cookie   Feb 19
  Feb 15 A Deviation from the Average in preview   Mar 4
  Feb 29 Problem 14   Mar 18
  Mar 14 Problem 15   Apr 1
  Mar 28 Problem 16   Apr 15
  Apr 11 Problem 17   Apr 29
  Apr 25 Problem 18   May 13
  May 9 Problem 19   May 27
  May 23 Problem 20   Jun 10
 

* 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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