This book provides an electronic flip book trip back in time. Students go on a time travel journey to 1776 Philadelphia, and learn about the Second Continental Congress and the Declaration of Independence. They then “return” to the present and answer math questions about the time between events. Answer keys are provided with the steps worked out so students can check their work. Vocabulary words are highlighted red and underlined with links to their definitions. The flip book format provides a fun visual and kinesthetic approach to learning!