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 Number Doubles and Halves Practice finding doubles of a number (2 times as many).Practice finding half of a number by dividing by 2.
