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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


Problem A
(Grade 3/4)
Week 20
Storage Containers
Problem B
(Grade 5/6)
Week 20
Three-Chip Stacks
Problem C
(Grade 7/8)
Week 20
Lucky Ducks
Problem D
(Grade 9/10)
Week 20
Surprise Cupcakes
Problem E
(Grade 11/12)
Week 20
More Surprise
Cupcakes

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Grade
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Problem A
(Grade 3/4)

Problem B
(Grade 5/6)

Problem C
(Grade 7/8)

Problem D
(Grade 9/10)

Problem E
(Grade 11/12)
E-mail

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.

Problems & Solutions from 2020-2021


Problem A
(Grade 3/4)
Problem B
(Grade 5/6)
Problem C
(Grade 7/8)
Problem D
(Grade 9/10)
Problem E
(Grade 11/12)
Week 20 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution
Week 19 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 18 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 17 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 16 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 15 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 14 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 13 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 12 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 11 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 10 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 09 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 08 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 07 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 06 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 05 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 04 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 03 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 02 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Week 01 Problem PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML
Solution PDF | HTML PDF | HTML PDF | HTML PDF | HTML PDF | HTML

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.

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