The book provides adult instruction in the CCSS-M arithmetic topics for parents wanting to help their children. The focus is explaining arithmetic topics from the primary and elementary level with explantions of theory and practice accessible to non-mathematicians. The book includes numerous step-by-step examples of computations taught to children, lists of websites offering worksheets for kids, and grade-by-grade achievement standards tied to the CCSS-M. The book enables parents to have the confidence in their knowledge of arithmetic necessary to help their children.