These three digit addition worksheets have missing digits for students to figure out. The addition problems require regrouping. Students will use the relationship between addition and subtraction to solve for the missing or unknown digits. These worksheets are perfect for independent work, small groups, enrichment, or whole class lesson!

Great for 3rd, 4th, or 5th grade!

This resource includes:

• 5 Worksheets
• 5 Answer Keys

How to use this resource:

• Math Enrichment
• Whole Class Review
• Small Group Work
• Math Center or Station
• Independent Work
• Homework

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