Unit 3: Three-Digit Addition & Subtraction (94 worksheets)

Take your students further with three-digit addition and subtraction. These activities reinforce place-value understanding, regrouping, borrowing, and problem-solving in engaging formats.

What’s Included

• 3‐Digit Addition (With/Without Regrouping)
• 3‐Digit Subtraction (With/Without Borrowing)
• Place‐Value Practice & Number Bonds
• 10/100 More & Less Exercises
• Real-World Word Problems
• Fact Families, Part‐Part‐Whole, & Missing Numbers
• Fun Exercises (Spin & Solve, Color-by-Code)