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Young woman solving math problems in the classroom
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Problem of the Week has wrapped up for the 2024-2025 school year. Below you can find all problems and solutions that were sent. Problem of the Week will resume in September 2025.

Current Problem

Below you will find the weekly problem across five grade levels. Scroll down to find more problems.

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Sign up to receive Problem of the Week straight in your inbox. New problems are sent every Thursday, and their solutions are sent one week later. 

Previous Problems and Solutions

Below you will find problems from previous week(s).  

Week
Grade
Title
Theme
Problem
Solution
30
11/12
The Six Dollar Game
Computational Thinking
30
9/10
Might I Win Every Time?
Computational Thinking
30
7/8
The Snowflake Game
Computational Thinking
30
5/6
Sanjiv’s Blocks
Data Management
30
3/4
Circular Calculations
Algebra, Computational Thinking
29
11/12
Mystery Function
Algebra, Number Sense
29
9/10
Another Program
Algebra, Number Sense
29
7/8
Sum Program
Algebra, Number Sense
29
5/6
Equal Cake and Icing
Geometry & Measurement
29
3/4
Picture Pixels
Computational Thinking
Students solving math problems on a whiteboard with their educator

Problem and Solution Archive from 2023/2024, 2022/2023

Visit the archive page to access links to booklets containing all the problems and solutions from the last two years. The problems are organized into themes, grouping problems into various areas of the curriculum.  

Information for educators

Problems are organized into five themes: Algebra (A), Computational Thinking (C), Data Management (D), Geometry and Measurement (G), Number Sense (N). A problem may have more than one theme.

Theme Broad Topics
Algebra (A) Patterning, Relations, Sequences, Functions
Computational Thinking (C) Logic, Coding
Data Management (D) Probability, Statistics, Counting
Geometry and Measurement (G) Spatial Sense, Shape and Space, Trigonometry
Number Sense (N) Numeration, Numbers, Number Theory, Financial Literacy

 

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 their lessons.

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

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