Behind the Numbers

The D-E mathematics Department

Calliope: A Crown Award Finalist!

Congratulations to Calliope 2023! | A Crown Award Finalist Cheers to Mr. Petkus & the 2023 Editors Here Ye, Here Ye! Cheers to Calliope! Congratulations to Calliope, our Upper School English-language literary/arts magazine, for receiving a Crown award for last...

STEM News: Cubes in Space!

STEM News: Cubes in Space!

Yes, you heard correctly! Cubes! in Space! Read about how D-E sent students to Virginia to send Cubes to Space! This past June, D-E's Innovation Coordinator Colleen Larionoff and 14 Middle School Students made a trip to RocketFest2023 at NASA's Wallops Virginia Flight...

Here’s to this year’s Math Days! Math Days is an all division event where all D-E students receive the same problem to illustrate and solve. Upper School students came down to the Lower School to support problem-solving, and it was a wonderful moment for learning for all. See how the students visualized their thinking and brought math to life.