Math Riddles
One sister says of her younger brother: “Two years ago, I was three times as old as my brother was. In three years time, I will be twice as old as my brother.” The sister is this age.
What is
Is known for rock climbing and the daily query.
Who is Dr. Retsek?
Name 3 female math professors at Cal Poly.
A school has 120 students. 75 of them play baseball, 60 play soccer, and 30 play both. This is the number of students that play neither sport.
What is 15?
The number that when you add it to G it goes away.
What is one?
Is referred to as the wizard of the math department and runs Simple Group.
Who is Dr. Brussel?
An example is a person making a conscious decision not to hire someone based on their gender.
What is explicit bias?
Alice opened a book and discovered that the sum of these two-page numbers was 21. This is the number you get if you multiply them.
What is 110?
The way to combine eight 8s using only addition to make the number 1,000.
8 + 8 + 8 + 88 + 888
Is known as an amazing Topology professor, and emphasizes group work in their classroom.
Who is Dr. Hamilton?
A fixed, over-generalized belief about a particular group or class of people.
What is a stereotype?
On a farm, there are ducks and cows. There are 18 legs and 7 heads in total. This is the number of ducks.
What is 5?
The context in which you can add 6 to 11 and get 5.
What is adding hours? or What is mod 12? or What is mod 6?
This year's AWM advisor.
Who is Dr. Street?
An example is a hiring manager unknowingly favoring candidates who dress what they view as more professionally (more masculinely).
What is implicit bias?
The way you can make 721 using exactly seven zeros and any mathematical operators.
What is (0!+0!+0!+0!+0!+0!)!+0!=721?
Or
What is (cos(0)+cos(0)+cos(0)+cos(0)+cos(0)+cos(0))!+0!=721?
You have 30 red socks, 20 white socks, and 10 blue socks this is the number of socks you pick from the drawer to get at least 1 matching pair without looking.
What is 4?
Last year's AWM advisor.
Who is Dr. Lin?
A professor whose research has focused on finding joy in the math classroom for undergraduate women and LGBT+ students.
Who is Dr. Street?
A school has 120 students. 75 of them play baseball, 60 play soccer, and 30 play both. This technique is used in finding the number of students that play neither sport.
What is the inclusion-exclusion principle?