Addition tables are tools used to help people learn and practice basic addition skills. They typically display numbers in a grid format, where one set of numbers is listed along the top and another set along the side. By finding the intersection of a row and a column, users can quickly see the sum of the two numbers. These tables are especially useful for young learners and can be found in many educational resources. They help reinforce the concept of addition and improve mental math skills. Addition tables can also serve as a reference for more complex math problems involving addition and subtraction.