Elementary math teacher Margie Howells teaches a 5th grade class at Wheeling Country Day School in Wheeling, W.V., on Sept. 5, 2023. A new survey of U.S. adults finds that they don't agree on the ...

Fifth grade students attend a math lesson with teacher Alex Ventresca, right, during class at Mount Vernon Community School, in Alexandria, Va., Wednesday, May 1, 2024.

Back to school brush-up on math skills for grades 3 to 6 . Levasseur will discuss the Smithsonian’s new book, "Behind the Scenes at the Space Station,” which offers an insider’s peek into ...