Our addition worksheets based on addition facts, one digit and two-digit addition. Worksheet is designed based on the online activities from our website. Ideal for students from Grade-1 to Grade-3. Addition Chart Addition Table Addition Table Pattern Addition Mystry Table 1-Digit Addition Sheet-1 1-Digit Addition Sheet-2 1-Digit Addition Sheet-3 2-Digit Addition Without Regrouping Through 20 2-Digit Addition Without Regrouping Through 50 2-Digit Addition Without Regrouping Through 100 2-Digit Addition With Regrouping Through 50 2-Digit Addition With Regrouping Through 100 Adding Multiples of 10