Teach students about BC, BCE, AD, CE and the proper way to think about the western system of dates. Follow along with the slideshow provided and allow students to use the provided guided notes (found in the product preview!) This is perfect for a World History Class!In the slideshow, there are several practice problems that the class can do together that include concepts such as decades, centuries, and where numbers may fall on a timeline. All slide designs are credited to Slidesgo, a great reso