What better way to start practicing fast fact addition and subtraction within 20 that flashcards? And why do they need to be white and plain when they can be visually appealing to the teacher and the student! * This product includes addition and subtraction problems with addends and solutions of up to 20, perfect for special education, practice, and learners of any age! * Download and they are ready for print. For best use, cut, laminate, and then cut the flashcards to avoid fraying and prolong