Statistics and Probability · Probability
Test the birthday paradox
Calculate and test the chance that two people in a group share a birthday.
- Easy
- 1–3 hours
- Free
606 projects · 13 streams · every class
Investigations, models, simulations and visual proofs that show mathematics at work, from school topics to university-level modelling.
12 Mathematics projects
Statistics and Probability · Probability
Calculate and test the chance that two people in a group share a birthday.
Pure Mathematics + Cybersecurity
Encrypt and decrypt a message with small primes by hand, then in code, and see why large primes matter.
Applied Mathematics + Sociology
Build a logistic model of how a rumour spreads through a school and test it with a class game.
Statistics and Probability · Probability
Drop sticks on ruled paper, count how many cross a line and get an estimate of pi.
Applied Mathematics + Behavioural Economics
Play repeated prisoner's dilemma with classmates and compare what they do with the theory.
Applied Mathematics + Physics
Predict how period depends on length using only units, then confirm the power law with a log-log graph.
Pure Mathematics · Calculus
Find the dimensions of a can that hold a fixed volume with the least material, and compare with real cans.
Statistics and Probability · Statistics
Plot anonymous marks from several tests and check how well a bell curve describes them.
Applied Mathematics + Political Science
Collect ranked preferences from your class and show that different voting rules pick different winners.
Applied Mathematics · Operations Research
Formulate a real two-variable problem, solve it graphically and check with a solver.
Pure Mathematics + Programming
Model corridors and rooms as a graph and find the fastest route between any two rooms.
Statistics and Probability · Probability
Play the three-door game 100 times each way and show why switching wins two-thirds of the time.
0 to compare
Compare