Vertical Twenties

This subtraction worksheet gives students structured vertical practice subtracting 20 from two-digit numbers. Learners record answers in clearly aligned boxes, reinforcing accurate computation while strengthening place-value understanding and number sense.

Instructional Objectives

• Skill Focus (Grades 2-3): Subtract 20 from two-digit numbers using correct vertical alignment.
• Conceptual Understanding (Grades 2-3): Recognize that subtracting 20 reduces a number by two tens while leaving the ones place unchanged.
• Algebraic Reasoning (Grade 3): Identify and apply patterns associated with subtracting multiples of twenty to support efficient mental math.
• Curriculum Alignment (Grades 2-3): Supports subtracting multiples of twenty, place-value reasoning, structured vertical computation, and operational fluency standards.

The vertical format emphasizes proper digit alignment, helping students avoid common place-value errors. Repeated practice with the same structure reinforces predictable patterns, allowing learners to compute more efficiently and with greater confidence.

Learning Benefits

• Builds accuracy through consistent vertical alignment
• Strengthens place-value reasoning and number relationships
• Encourages efficient mental math strategies
• Supports readiness for more advanced multi-digit subtraction

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.