Engage learners with these three different divisibility rules task card sets to build help build fluency. The divisibility rules included in this set include numbers 2, 3, 4, 5, 6, 9, and 10. A divisibility rule chart is included to support learners and/or to post as a reference in the classroom. These divisibility rules task cards can be used as a review after the skill has been taught, in a math center, or as a walk-the-room activity using a recording sheet.