One Atta Time Flash Cards Distance Learning Create New Sheet Select a Worksheet > Version 1 Version 2 Version 3 Version 4 Version 5 Version 6 Version 7 Version 8 Version 9 Version 10 Grab 'em All Subtraction Relative to Addition 1oa4 Use a known addition fact to figure out a related subtraction fact.See how addition and subtraction undo each other in the same set of numbers.Fill in the missing number in an addition or subtraction equation.Write the matching addition sentence for a subtraction sentence (and vice versa).
