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Archive: 2016 (111 Posts)

One woman watches as another examines with a magnifying glass an ornate, decorative image on a printed page

Civil War Regimental Flags for African American Troops

Posted by: Cheryl Lederle

What can a flag tell us about the people who marched behind it? We recently rediscovered these regimental flags from the Library's online collections and were struck by the vivid imagery and mottoes. We did a little research on the flags – and the artist behind them – and decided to highlight them during African American History Month in February.

One woman watches as another examines with a magnifying glass an ornate, decorative image on a printed page

Primary Sources in the Science (and Math) Classroom: Thomas Jefferson’s Measurement Problem

Posted by: Danna Bell

Jefferson's search for a tool to measure distances he traveled in a horse-drawn carriage was just one of his many efforts to quantify and logically describe the natural world. He also wrote a report on weights and measures, kept copious weather records, and created a chart detailing the fruits and vegetables sold at a vegetable market throughout the year. A closer look at Jefferson’s notes about odometers presents a range of possibilities for engaging students in mathematical reasoning and problem solving.