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Problem of the Week

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The Problem of the Week is designed to provide students with an ongoing opportunity to solve mathematical problems. Each week, problems from various areas of mathematics will be posted here and e-mailed to teachers for use with their students from grades 3 and up.

Current Problems


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3/4 Problem A

5/6 Problem B

7/8 Problem C

9/10 Problem D

11/12 Problem E
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Information for Teachers

These problems may be used in a variety of different ways including:

  • posting the problems in a classroom,
  • discussing the problems with students, and
  • integrating the problems into the curriculum.

We know that teachers will use these problems in many creative ways!

Solutions to the problems will be sent out to teachers one week after the problems are e-mailed.

Current Problem Archive 2020-2021


Grade 3/4 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  Week 15  
Grade 5/6 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  Week 15  
Grade 7/8 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  Week 15  
Grade 9/10 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  Week 15  
Grade 11/12 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  Week 15  

Solution Archive 2020-2021


Grade 3/4 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  
Grade 5/6 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  
Grade 7/8 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  
Grade 9/10 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  
Grade 11/12 Week 01  Week 02  Week 03  Week 04  Week 05  Week 06  Week 07  Week 08  Week 09  Week 10  Week 11  Week 12  Week 13  Week 14  

Problem and Solution Archive

Each of the following links is to a booklet containing all the problems from particular years with solutions. The problems are organized into strands, grouping problems into various areas of the curriculum. A problem often appears in multiple strands.

Grade 3/4 (Problem A)
Grade 5/6 (Problem B)
Grade 7/8 (Problem C)
Grade 9/10 (Problem D)
Grade 11/12 (Problem E)