These place value addition worksheets are good first steps towards multi-digit addition problems. These problems require students to add multi-digit values without combining anything in each place value column.
One of the next steps in learning addition is understanding place value. This is an important concept in all the other math facts as well, and these worksheets are a gentle introduction to place value concepts. By adding digits to place values that have only a zero in them, students see where the individual digits wind up in the answers, before they are introduced to the more complex topics like regrouping or carrying. There are several variations of place value addition worksheets here with two digit, three digit and four digit problems all with answer keys.