Multi-Digit Addition — 3 and 4 Digits

Free printable multi-digit addition worksheet for Grades 3-4. Add 3-digit and 4-digit numbers with regrouping. PDF with answer key.

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Preview: Multi-Digit Addition

2 pages
AdditionGrades 1–3Free Printable
Name: __________________    Date: __________

➕ Multi-Digit Addition

📖 Concept

Line up the hundreds, tens, and ones columns. Start from the right. Carry when needed.

✏️ Multi-Digit

1. 234 + 152 =
2. 567 + 248 =
3. 389 + 476 =
4. 1,205 + 893 =
✅ Answers: 386,815,865,2098
📖 Concept guide ➕ Practice problems ✅ Answer key 🖨️ A4 print-ready

📌 Also try: Subtraction Worksheets — same grade level, complementary skill

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About This Multi-Digit Addition Worksheet | Aurora

This free printable multi-digit addition worksheet is designed to help students in Grades K–5 build confidence and mastery through focused, structured practice. Print on US Letter or A4 paper — no special equipment or preparation needed. An answer key is included where applicable, making it easy for both teachers and parents to check student work quickly and accurately.

What Students Will Learn

By completing this worksheet, students will develop and reinforce grade-appropriate multi-digit addition worksheet skills through exercises that move from simpler concepts to more challenging applications. Each problem or activity is designed to help students build understanding step by step. The worksheet can be used as a pre-assessment to gauge existing knowledge, as guided practice during a lesson, or as independent work to consolidate learning after instruction.

How Teachers Can Use This Worksheet

How Parents and Homeschoolers Can Use This Worksheet

Print the worksheet and sit down with your child to work through it together. For younger students, read each question aloud and discuss what it is asking before they write their answer. For older students, let them complete the worksheet independently, then review incorrect answers together — focus on understanding why the mistake happened rather than just marking it wrong. To make the activity more engaging, try setting a timer and turning it into a friendly challenge, or offer a small reward for completing a full page with focus and effort. After finishing, ask your child to explain one concept they learned in their own words — teaching back is one of the most effective ways to solidify understanding.

Skills Covered

addition facts · mental math · number sense · carrying/regrouping · problem solving

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