Double Digits! Practice Vertical Addition with Carrying 30

Updated on Jan 8, 2010
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Let this big blue monster be your child's guide through the wacky world of double-digit addition. As he practices adding up columns and carrying over remainders, he will develop not only a better understanding of addition, but hone his ability to perform quick mental math as well. Add away!

Looking for more worksheets like this? Check out the entire Double Digits series!

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