Education and Science
Pi Day (World Maths Day)
Next date: Sunday, 14 March 2027in 124 days
- Grades 4–5
- Grades 6–8
A mathematical holiday celebrated on March 14 (3.14) to approximate the number π.
Activity ideas
Children's age
Activity type
ExperimentStudents measure the circumference and diameter of round objects and discover the number pi.- ages 10–15
- 45 min
- nothing to buy