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  1. Addition worksheets for K-5 - K5 Learning

  2. Addition Worksheets - Math-Drills

  3. Dynamically Created Addition Worksheets - Math-Aids.Com

  4. Addition Worksheets & Free Printables - Education.com

  5. Multi-digit addition worksheets - K5 Learning

  6. Addition Worksheets / FREE Printable Worksheets – Worksheetfun

  7. Addition Worksheets - Math Salamanders

  8. Free Addition Worksheets—Printable with Answers - Mashup Math

  9. Addition Worksheets - Math Worksheets 4 Kids

  10. Grade 1 Addition Worksheets - free & printable - K5 Learning