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 Multiplying Multiples of Ten 3nbt3 Multiply a one-digit number by 10, 20, 30, and other multiples of ten.Use place value patterns to multiply by tens by adding a zero to the end of the number.