Math worksheet for practicing addition of three-digit numbers.
A math worksheet titled "Add Three-Digit Numbers" with 15 addition problems, each involving the sum of two three-digit numbers, and a small whale illustration in the top right corner.
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A math worksheet titled "Add Three-Digit Numbers" with 15 addition problems, each involving the sum of two three-digit numbers, and a small whale illustration in the top right corner.
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(view all 3 digit addition worksheet 3rd grade)