Addition Math Fact Fluency - Addint to 20Students can practice addition facts to 20 with this packet of worksheets that include all addition facts from 0 through 12. A variety of worksheet formats are included, as well as a student progress monitoring sheet and achievement awards/certificates! This is formatted so that it can be used as a workbook, or each page can be used separately. This works well for students to use for independent practice, homework, or it can be used as an intervention.