One Atta Time Flash Cards Distance Learning Create New Sheet Customize Problems 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 Adding and Subtracting American Lengths Add lengths written in feet and inches.Subtract one feet-and-inches measurement from another.Regroup between inches and feet when the inches add past 12 or when you need to borrow a foot.
