Addition and Subtraction Facts help students build math fact fluency. It provides worksheets that cover basic addition and subtraction facts to 20. The quizzes are a simple assessment tool to see where each student needs additional practice. The mazes are a fun activity while also practicing their facts. There are 18 addition fact worksheets, 18 subtraction fact worksheets, 5 addition/subtraction fact family worksheets, 5 addition fact quizzes, 5 subtraction fact quizzes, 3 addition mazes,