1st Grade Subtraction Within 20 – Worksheets & Math Activities

Help your 1st grade students develop subtraction skills and fact fluency with this comprehensive, no-prep math resource covering subtraction within 10 and subtraction within 20.

With 46+ student activity pages, including answer keys, this printable subtraction resource offers a variety of engaging ways for students to practice subtraction throughout the school year.

✅ What's Included?

This resource is organized into two parts to support a gradual progression from basic subtraction to more advanced facts.

Part 1: Subtraction Within 10

Part 2: Subtraction Within 20

Each part includes the following activity types:

• Subtraction with Pictures

• Ten Frame Subtraction

• Domino Subtraction

• Finger Subtraction

• Number Line Subtraction

• Subtraction Facts

• Subtraction Fact Families

• Vertical Subtraction

• Missing Number Subtraction

• Subtraction Word Problems

Students practice subtraction through visual models, number relationships, equations, and real-world problems while building confidence and improving subtraction fluency.

✅ Why Teachers Will Love This Resource

• 46+ student activity pages: A wide variety of subtraction practice in one convenient resource.

• Matching answer keys: Answer keys are included for every activity to make checking work easier.

• No-prep, print-and-go format: Print the worksheets and use them with minimal preparation.

• Multiple subtraction strategies: Students practice using pictures, ten frames, dominoes, fingers, number lines, fact families, vertical equations, and missing numbers.

• Two levels of practice: Begin with subtraction within 10 and progress to subtraction within 20.

• Flexible classroom use: Use the worksheets for math centers, morning work, independent practice, homework, small-group instruction, intervention, review, or assessment.

• Year-round practice: Suitable for back-to-school activities, fall math practice, ongoing skill development, and end-of-unit review.

✅ Perfect For

• First Grade Math

• Subtraction Within 10

• Subtraction Within 20

• Subtraction Fact Fluency

• Printable Math Worksheets

• Math Centers and Rotations

• Independent Math Practice

• Morning Work

• Small-Group Instruction

• Math Intervention and Remediation

• Homework and Review

Whether you are introducing subtraction, reinforcing foundational skills, or helping students build fluency with subtraction facts, this resource provides structured practice with a variety of problem formats.

Terms of Use

• Classroom Use: This resource is licensed for use by one teacher in their own classroom.

• Printing: The purchaser may print copies for use with their own students.

• Sharing Restrictions: Do not redistribute, resell, share the original files, or upload them to publicly accessible websites.

• Digital Product: This is a digital resource. No physical product will be shipped.

Please follow the applicable license terms and platform policies when using this resource.