2011-12 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.

Note that, starting this year, students who have submitted before the deadline can continue to revise their work throughout the year.

Teachers with Full Memberships or higher can also view the problems from the 2010-11 academic year.

[ Primary | Math Fundamentals | Pre-Algebra | Algebra | Geometry ]

Primary

  Start Problem Mentor
Group
Submissions
Close
 
  Aug 22 How Many Berries Did I Eat?   Sep 4  
  Sep 5 Pizza Night   Sep 18  
  Sep 19 The Eagle and the Bear   Oct 2  
  Oct 3 Clowning Around   Oct 16  
  Oct 17 Charlie's Gumballs   Oct 30  
  Oct 31 What Do I Have In My Bag?   Nov 13  
  Nov 14 How Big is Your Foot?   Nov 27  
  Nov 28 Growing Up   Dec 11  
  Dec 12 Building a Tower   Dec 25  
  Dec 26 Apple Celebration   Jan 15  
  Jan 16 Up, Up, and Away!   Jan 29  
  Jan 30 Try It Out   Feb 12  
  Feb 13 Reading Superstars   Feb 26  
  Feb 27 Name That Shape!   Mar 11  
  Mar 12 Helping Hands   Mar 25  
  Mar 26 Picture This   Apr 8  
  Apr 9 Balloon Fun   Apr 22  
  Apr 23 Cupcake Combinations   May 6  
  May 7 Different Shapes   May 20  
  May 21 The Arm Wrestling Match   Jun 3  
 

Math Fundamentals

  Start Problem Mentor
Group
Submissions
Close
Solutions
Posted
  Aug 29 Salad Daze   Sep 11 Sep 16
  Sep 12 I Get a Kick Out of Soccer!   Sep 25 Sep 30
  Sep 26 So Many Salmon   Oct 9 Oct 14
  Oct 10 Homework Free Fridays   Oct 23 Oct 28
  Oct 24 Peanut Butter and Jelly X Nov 6 Nov 11
  Nov 7 Count the Discount X Nov 20 Nov 25
  Nov 21 Anthony's Famous Butter Rolls X Dec 4 Dec 9
  Dec 5 Building the Fence   Dec 18 Dec 23
  Dec 19 Cupcakes, Cupcakes!   Jan 8 Jan 13
  Jan 9 Let the Chips Fall ...   Jan 22 Jan 27
  Jan 23 Filling Beauty's Seats   Feb 7 Feb 10
  Feb 6 Frog Farming   Feb 19 Feb 24
  Feb 20 Jumping Rope X Mar 4 Mar 9
  Mar 5 The Big Balloon Blowup   Mar 18 Mar 23
  Mar 19 Basketball Bargain   Apr 1 Apr 6
  Apr 2 Cat Walk   Apr 15 Apr 20
  Apr 16 Elevator Weigh-in X Apr 29 May 4
  Apr 30 Catching Up!   May 13 May 18
  May 14 After School Snacks   May 27 June 1
  May 28 Mini-Mall Measurements   Jun 10 Jun 15
 

Pre-Algebra

  Start Problem Mentor
Group
Submissions
Close
Solutions
Posted
  Aug 22 Duke is Missing   Sep 4 Sep 9
  Sep 5 Integer Images   Sep 18 Sep 23
  Sep 19 Getting Your Kicks on Route 66   Oct 2 Oct 7
  Oct 3 Falling Leaves X Oct 16 Oct 21
  Oct 17 Building Fences   Oct 30 Nov 4
  Oct 31 Trick-or-Treat Route X Nov 13 Nov 18
  Nov 14 Timber! X Nov 27 Dec 2
  Nov 28 Happy Thanksgiving   Dec 11 Dec 16
  Dec 12 A Holiday Gift for Grandmother Brown   Dec 25 Dec 30
  Dec 26 A Happy New Year Wish   Jan 15 Jan 20
  Jan 16 Practicing for the Winter Olympics   Jan 29 Feb 3
  Jan 30 Power Outage   Feb 12 Feb 17
  Feb 13 Valentine's Day Candy   Feb 26 Mar 2
  Feb 27 The Scientific Notation Game   Mar 11 Mar 16
  Mar 12 Forming Triangles from a Folding Ruler   Mar 25 Mar 30
  Mar 26 He Ate It All!   Apr 8 Apr 13
  Apr 9 Tunnel Time   Apr 22 Apr 27
  Apr 23 Stacking Wood   May 6 May 11
  May 7 Women's Walkway   May 20 May 25
  May 21 Sizing Up Sequoias   Jun 3 Jun 8
 

Algebra

  Start Problem Mentor
Group
Submissions
Close
Solutions
Posted
  Aug 29 The Custom of Customs   Sep 11 Sep 16
  Sep 12 Examining an Equation   Sep 25 Sep 30
  Sep 26 Cherokee Creek Checkers Club   Oct 9 Oct 14
  Oct 10 Don't Be Square X Oct 23 Oct 28
  Oct 24 Count Your Change   Nov 6 Nov 11
  Nov 7 Laser Tag   Nov 20 Nov 25
  Nov 21 Teeter-Toddlers   Dec 4 Dec 9
  Dec 5 Tribonacci Tribulation   Dec 18 Dec 23
  Dec 19 Flying off the Shelves   Jan 8 Jan 13
  Jan 9 Pizza Puzzle   Jan 22 Jan 27
  Jan 23 Let It Snow!   Feb 7 Feb 10
  Feb 6 A Variable Triangle   Feb 19 Feb 24
  Feb 20 Teeter Trio   Mar 4 Mar 9
  Mar 5 Crossed Wires   Mar 18 Mar 23
  Mar 19 Teeter Troop   Apr 1 Apr 6
  Apr 2 Alvin's Theorem   Apr 15 Apr 20
  Apr 16 That's Interesting!   Apr 29 May 4
  Apr 30 Family Fun   May 13 May 18
  May 14 The Length of Larry's Rectangle   May 27 June 1
  May 28 The Joke   Jun 10 Jun 15
 

Geometry

  Start Problem Mentor
Group
Submissions
Close
Solutions
Posted
  Aug 22 Integer Triangle Angles   Sep 4 Sep 9
  Sep 5 Congruent Rectangle Help   Sep 18 Sep 23
  Sep 19 Finding a Supplement   Oct 2 Oct 7
  Oct 3 All Around the World   Oct 16 Oct 21
  Oct 17 Boxing Up Harry's Broom X Oct 30 Nov 4
  Oct 31 Eight Sticks and Zero Triangles   Nov 13 Nov 18
  Nov 14 Analyzing Angles   Nov 27 Dec 2
  Nov 28 Lotsa Popcorn!   Dec 11 Dec 16
  Dec 12 Nautical Navigation   Dec 25 Dec 30
  Dec 26 The Coordinated Quadrilateral   Jan 15 Jan 20
  Jan 16 Voulez Vous des Voussoirs?   Jan 29 Feb 3
  Jan 30 Making a Map   Feb 12 Feb 17
  Feb 13 Measuring Cylinders   Feb 26 Mar 2
  Feb 27 Kyle's Similar Triangles   Mar 11 Mar 16
  Mar 12 The Perimeter of an Octagon   Mar 25 Mar 30
  Mar 26 Exploding Shapes   Apr 8 Apr 13
  Apr 9 Spring Up, Fall Back   Apr 22 Apr 27
  Apr 23 Save the Lake!   May 6 May 11
  May 7 As Far as the Eye Can See   May 20 May 25
  May 21 Why Does This Construction Work?   Jun 3 Jun 8


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