Input Output Tables Function Tables Machines "Find the Rule" Addition Subtraction WorksheetsThis is a set of 22 worksheets that focuses on helping students understand input output tables, and function tables. The worksheets have been designed with a variety of formats. There input output tables with vertical and horizontal layouts. Fill in the gaps as well as "find the rule" worksheets. There are also function machines. This is a great set of worksheets to help students understand early algebra