The document lists addition facts for numbers 0 through 10. It provides the sums of adding two addends that total to each number, with the facts grouped by the total number. For example, the facts of 5 section lists 0 + 5 = 5, 5 + 0 = 5, 1 + 4 = 5, 4 + 1 = 5, 3 + 2 = 5, and 2 + 3 = 5.