Two-Digit Twenties

This subtraction worksheet gives students structured practice subtracting 20 from two-digit numbers using a clear horizontal format. Learners reduce numbers by two tens, reinforcing place-value understanding while building confidence with larger single-step subtraction.

Instructional Objectives

• Skill Focus (Grades 2-3): Subtract 20 from two-digit numbers accurately and efficiently.
• Conceptual Understanding (Grades 2-3): Strengthen understanding of base-ten structure by recognizing that subtracting 20 removes two tens.
• Algebraic Reasoning (Grade 3): Identify numerical patterns associated with subtracting multiples of ten to support mental math strategies.
• Curriculum Alignment (Grades 2-3): Supports subtraction with multiples of twenty, place-value reasoning, mental math, and operational accuracy standards.

The repetitive structure helps students recognize patterns and internalize efficient subtraction strategies. Using a horizontal layout encourages flexible thinking and supports mental computation alongside written work.

Learning Benefits

• Builds fluency with subtracting multiples of ten
• Strengthens place-value and base-ten reasoning
• Supports mental math development and confidence
• Effective for independent practice, small groups, or targeted intervention

This printable worksheet provides focused, confidence-building practice that helps students master subtracting 20 from two-digit numbers while reinforcing strong foundational subtraction skills.

This worksheet is part of our Subtract by 10s and 20s Worksheets collection.