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 10s Use the pattern that adding 10 makes the ones digit stay the same while the tens digit increases by 1.Practice doing these sums in your head without counting one by one.
