Addition Worksheets 10–20 | 70 Pages of Math Practice

Master basic addition with this 70-page Addition Worksheet Pack designed to help young learners build speed and accuracy when adding numbers between 10 and 20.

Each page features 16 horizontal math problems, allowing for focused and consistent practice. These worksheets are excellent for:

• Early finishers

• Morning work

• Math centers

• Homework

• Quick assessments

• Sub plans

Key Features:

• 70 printable pages with 16 problems per page

• Covers sums where numbers added range from 10 to 20

• All answers are less than 40

• Horizontal layout for clear, easy-to-follow formatting

• Includes answer key for quick grading or self-checking

• No prep — just print and go!

How to Use:

• Print single sheets or full sets to suit your lesson plans

• Use in math stations, small groups, or one-on-one tutoring

• Send home for extra practice or homework assignments

• Integrate into morning routines or as daily skill practice

Support your students' math confidence with this straightforward and effective worksheet pack!