Structured Columns Answer Key

This worksheet features vertically aligned subtraction problems involving subtracting 8 or 9 from larger single-digit and teen numbers. Students record answers in provided boxes, reinforcing clean formatting and accurate computation. The problems require careful attention to subtraction patterns and mental computation. Through repeated practice, students strengthen fluency with subtracting large single-digit subtrahends and improve number sense. This worksheet builds essential computational readiness for multi-digit subtraction.

Curriculum Matched Skills

Mathematics – Subtraction within 20

Mathematics – Counting Back by 8s and 9s

Mathematics – Vertical Subtraction Accuracy

Mathematics – Mental Math Fluency

This worksheet is part of our Subtract by 8s and 9s Worksheets collection.