This product gives you a way to teach math facts fluency in a progressive order. It starts with plus 1 and works through plus 2, plus 0, doubles facts, minus 1, 0, & 1, plus 3, 4, 5, 6, 7, 8, & 9, minus 3, 4, 5, 6, 7, 8, 9, and two-digit addition. I give my students 2.5 minutes to complete all 24 facts. If they pass a level they can move to the next level. Each new level still includes facts from previous tests. I like to use a sticker poster to track students' progress and know which paper each student should use. This is a great way to differentiate instruction and motivate all students to master their facts. I hope you find this set useful for your classroom!