This book contains 8 problems designed to meet the Common Core Standards of eighth grade. Each question is broken down into 2 versions, one version is straight forward, the second versions has guided notes, examples and/or hints. Students can choose which version they wish to complete. Answers are included for every question. These can be used in a variety of ways, as a quick assessment, a spiral, a ticket out the door, or an opening to a lesson. The art work is all original and enhances the quality of the worksheets.