Addition Worksheets

Facts to 10 and 20, three addends, and 2- and 3-digit addition.

• Addition Facts to 10
• Addition Facts to 20
• Adding Three 1-Digit Numbers
• Adding 2-Digit Numbers with No Regrouping
• Adding 2-Digit Numbers with Some Regrouping
• Adding 2-Digit Numbers with Regrouping
• Adding 3-Digit Numbers with Regrouping