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 Vertical 2 digit × 1 digit 4nbt5 Multiply numbers with varies number of digits to find the product.Use the vertical (stacked) method to keep ones and tens lined up correctly.Carry to the next place value when the ones place makes 10 or more.