Support your students’ math fluency with this printable set of 80 horizontal addition worksheets! These no-prep worksheets are perfect for reinforcing addition facts from 0 to 20, with problems that never exceed a sum of 40.

Whether you’re teaching in the classroom or at home, these worksheets offer a clear layout and consistent format that helps build confidence and mastery in basic addition.

Key Features:

• 80 printable pages with horizontal addition problems
• 16 problems per page, for manageable and focused practice
• Covers addition facts from 0 to 20
• Answer key included for easy and quick grading
• Ideal for kindergarten to Grade 2 students
• Use for morning work, math centers, homework, or assessments

How to Use:

• Print and distribute as daily warm-ups or review sheets
• Use in math workstations or centers
• Send home for extra practice or homework
• Assign as a formative assessment or quiz

These straightforward worksheets are perfect for young learners who are just getting started with addition. Simple, effective, and easy to implement into any math routine.

Order your copy today!

By Page Count:

Addition Worksheets – Free

Addition Worksheets – 12 Pages

Addition Worksheets – 20 Pages

Addition Worksheets – 30 Pages

Addition Worksheets – 40 Pages

Addition Worksheets – 50 Pages

Addition Worksheets – 60 Pages

Addition Worksheets – 70 Pages

Addition Worksheets – 90 Pages

Addition Worksheets – 100 Pages

Related resources:

Addition Worksheets Vertical – 12 Pages

Addition Worksheets Vertical/Horizontal – 12 Pages

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Happy teaching!