Subtraction Within 20 Worksheet for First Grade

About this worksheet

Thirty vertical subtraction problems with differences within 20, the core first grade fluency target. The bold print and even grid make it easy to work steadily down the page. A little apple art at the top keeps it friendly without crowding the math.

Use it as a daily drill, a timed fluency check, or homework once the smaller facts are secure.

What students will practice

• Subtract within 20
• Practice the vertical subtraction layout
• Build first grade fact fluency

Details

Grade level

Grade 1

Subject

Math · Subtraction

Pages

1

Format

PDF · US Letter and A4 included

License

Free for classroom use · Attribution appreciated

Last updated

June 24, 2026