Four-Digit Addition Worksheets | 100 Printable Math Worksheets Grades 3–5 | 2,000 Addition Problems with Regrouping, Word Problems & Answer Key

Four-Digit Addition Worksheets: 100 Printable Math Practice Sheets for Grades 3–5

Build addition fluency and strengthen problem-solving skills with this 100-worksheet Four-Digit Addition Mega Pack designed for students in Grades 3–5. With 2,000 unique addition problems, this printable resource provides structured practice that progresses from basic four-digit addition to more challenging regrouping, missing-number, word-problem, and real-world mathematics activities.

Students will practice vertical and horizontal addition, addition without regrouping, one and multiple regrouping, mixed-difficulty problems, missing addends, word problems, and practical addition scenarios.

Each worksheet includes spaces for Name, Date, and Class, making the pages ideal for classroom instruction, homework, morning work, math centers, tutoring, intervention, homeschool practice, and independent learning.

The colorful, professional design uses child-friendly mathematics illustrations without distracting from the problems. A complete 100-worksheet answer key is included for easy marking and teacher use.

What’s Included

• 100 unique four-digit addition worksheets
• 20 problems per worksheet
• 2,000 addition problems in total
• Numbers from 1,000–9,999
• Addition without regrouping
• Addition with regrouping
• One-regrouping problems
• Multiple-regrouping problems
• Vertical addition
• Horizontal addition
• Missing-number problems
• Addition word problems
• Real-world mathematics problems
• Gradual difficulty progression
• Name, Date, and Class fields
• Colorful educational illustrations
• Complete answer key for all 100 worksheets
• Printable PDF-friendly format

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Who This Product Is For

This worksheet bundle is ideal for:

• Grade 3 students developing four-digit addition skills
• Grade 4 students strengthening computation and regrouping
• Grade 5 students reviewing and reinforcing addition
• Elementary school teachers
• Homeschool parents
• Tutors
• Special education and intervention teachers
• Math centers
• Classroom morning work
• Homework and extra practice
• Math remediation
• Independent student practice
• Parents looking for printable math activities

Recommended level: Grades 3–5, with flexibility for students who need additional practice or enrichment.