3-Digit Addition on Open Number Lines Worksheets
Build Addition Strategy Skills with and without Regrouping!

Looking for an engaging, no-prep way to practice 3-digit addition using open number lines? This printable worksheet pack is perfect for helping students visualize the addition process — with and without regrouping — while building number sense and problem-solving confidence.

✅ What’s Included:

• 10 open number line worksheets (double-sided)
• Mixed practice: with and without regrouping
• Answer key
• Student-friendly layout
• Great for math centers, independent practice, or homework

✅ Why Teachers Love It:

• Visual strategy support for all learners
• No prep — just print and go!
• Helps students transition from concrete to abstract thinking
• Easy to differentiate — use specific pages based on student needs

✅ Perfect For:

• 2nd and 3rd Grade Math
• Addition strategy lessons
• Early finishers
• Math intervention groups
• Sub plans or morning work

✅Like What You See?

Check out my 3-Digit Addition & Subtraction on Open Number Lines Bundle here! Or get all of my 1, 2, and 3 Digit Addition & Subtraction on Open Number Lines Bundle here