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 1s (horizontal) Practice subtracting 1 from a number quickly and accurately.Notice that subtracting 1 makes a number one less and changes only the last digit most of the time.Build speed with basic subtraction facts for mental math.
