PROBLEM OF THE WEEK ARCHIVE

Every week, we release a new multi-part problem related to a holiday, season, special event or cool STEM topic...completely for free!

The solution for each Problem of the Week (POTW) is posted here the following week (included in the downloadable POTW file).

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Date of the Problem Title View Download
February 26, 2021 EWEEK 2021: CHEMICAL ENGINEERING View Problem Download Problem
February 25, 2021 EWEEK 2021: AEROSPACE ENGINEERING View Problem Download Problem
February 24, 2021 EWEEK 2021: SOFTWARE ENGINEERING View Problem Download Problem
February 23, 2021 EWEEK 2021: SYSTEMS ENGINEERING View Problem Download Problem
February 22, 2021 EWEEK 2021: ENVIRONMENTAL ENGINEERING View Problem Download Problem
February 19, 2021 FLASHBACK TO E-WEEK 2020: ELECTRICAL ENGINEERING View Problem Download Problem
February 18, 2021 FLASHBACK TO E-WEEK 2020: SYSTEMS & SOFTWARE ENGINEERING View Problem Download Problem
February 17, 2021 FLASHBACK TO E-WEEK 2020: BIOMEDICAL ENGINEERING View Problem Download Problem
February 16, 2021 FLASHBACK TO E-WEEK 2020: MECHANICAL ENGINEERING View Problem Download Problem
February 15, 2021 FLASHBACK TO E-WEEK 2020: CIVIL ENGINEERING View Problem Download Problem
February 08, 2021 LUNAR NEW YEAR View Problem Download Problem
February 01, 2021 2020 CHAPTER COMPETITION View Problem Download Problem
January 25, 2021 INAUGURATION DAY BALLS View Problem Download Problem
January 18, 2021 LOGIC View Problem Download Problem
January 11, 2021 HOT SHOT! View Problem Download Problem
January 04, 2021 NEW YEAR'S RESOLUTION View Problem Download Problem
December 28, 2020 BEST OF 2020! View Problem Download Problem
December 21, 2020 'TIS THE SEASON! View Problem Download Problem
December 14, 2020 GET OUT YOUR SHOVELS View Problem Download Problem
December 07, 2020 BEST OF 2020 SCHOOL COMPETITION View Problem Download Problem
November 30, 2020 HOLIDAY SHOPPING View Problem Download Problem
November 23, 2020 THANKSGIVING! View Problem Download Problem
November 16, 2020 FAIRY TALES, NURSERY RHYMES AND SPELLS View Problem Download Problem
November 09, 2020 STANDING IN LINES View Problem Download Problem
November 02, 2020 HALLOWEEN FUN View Problem Download Problem
October 26, 2020 THE MYSTERIES OF 11 View Problem Download Problem
October 19, 2020 IT'S ALREADY TIME TO RAKE! View Problem Download Problem
October 12, 2020 APPLES, APPLES, APPLES! View Problem Download Problem
October 05, 2020 STUCK IN THE MIDDLE View Problem Download Problem
September 28, 2020 MAKING THE CHANGE View Problem Download Problem

Do you have a STEM background and love writing math problems?

Volunteer to write a Problem of the Week! You can feature your STEM career or area of study...or write a just-for-fun POTW about a holiday or event! Click the volunteer button below to learn more about how you can support MATHCOUNTS resource creation.