You may have one child who excels with online video - based math instruction while another prefers a workbook with written directions and a variety of sample problems. (thoughtco.com)
Opening my textbook to look at sample problems reveals the constant repetition of names that the majority of my students don't share. (edutopia.org)
If you teach upper elementary students or above, use the overhead projector or a chalkboard for the purpose of reviewing the process of figuring percentages; have students try several sample problems. (educationworld.com)