Grade 2 math worksheet: add 2-digit numbers in columns, no regrouping ... Grade 2 math worksheet on adding two 2-digit numbers in columns with no regrouping or carrying. Students should understand that they are adding "tens" and "ones". Worksheet #1 Worksheet #2 Worksheet #3 Worksheet #4 Worksheet #5 Worksheet #6 5 More Similar: Adding 2-digit and 1-digit numbers in columns Adding three 2-digit numbers in columns