Trend® Skill Drill Flash Cards. Multiplication 0-12 flash cards are great for mastering multiplication to build a solid math foundation, prepare for higher-level concepts, and boost student confidence. Practice math skills with 91 self-checking multiplication cards. Activity ideas are included to keep kids engaged and challenged in classrooms, homeschools, learning centers, and more. Cards show equations on one end and answers on the other. 91 flash cards included, 3" x 6" each.