These 20 math task cards are a fun way to practice math skills all the while learning about Martin Luther King Jr. They are perfect, especially around Martin Luther King Jr. Day, but can certainly be used year-round. In addition to the historical fact and math problem on each task card, each frame contains a different inspirational quote from Martin Luther King Jr. These task cards work well for the later end of 4th grade (after advanced computational skills have been learned) through 6th grade.