by John Ehrke | Feb 25, 2022 | Problem of the Week
Problem 12 – A Riddle of Ages A census worker visits the home of a woman. After he knocks on her door, she answers and he can see three kids behind her. He asks about the ages of the children. She says, “The product of their ages is 72. And the sum of their ages...
by John Ehrke | Feb 11, 2022 | Problem of the Week
Problem 11 – Complete a Nerdle! On the heels of the success of Wordle comes a new game called Nerdle. Nerdle can be found at https://nerdlegame.com/. Over the next week complete games of Nerdle. Screenshot your results and submit them at the end of the week...
by John Ehrke | Jan 21, 2022 | Problem of the Week
Problem 10 – Ken Kens! Solutions are due by 5:00 PM on Thursday, Jan 27. Please send submissions to mathpotw@acu.edu. Only one correct solution was submitted by Wyatt Witemeyer. Congrats Wyatt!
by John Ehrke | Jan 14, 2022 | Problem of the Week
Problem 9 – Alternative Math In an alternative math world suppose that a+b means the maximum of a and b, while a*b means the sum of a and b. For example, 2 + 3 = 3 and 5^2 = 10. In this world, which of the graphs below represents f(x) = x^2 + 2x + 1? If you...
by John Ehrke | Nov 18, 2021 | Problem of the Week
Problem 8 – Putting Out the Campfire The following is a famous calculus problem first posed and solved by Pierre de Fermat in the 1700s. Suppose that you are camping near a river (you are 10 feet away) and you see a campfire that’s getting out of hand in the...
by John Ehrke | Nov 5, 2021 | Problem of the Week
Problem 7 – Keep Your Distance We have all seen the following graphic for how people should physically distance from one another during the COVID pandemic.A savvy math student will notice that this figure cannot possibly be correct. If everyone is standing in...
