Four-Digit Missing Answer Key

This worksheet challenges students with four-digit subtraction equations missing one key value. Students must apply inverse operations and place-value understanding to identify the missing number correctly. Some problems may require regrouping across multiple digits, helping learners build advanced subtraction fluency. This worksheet supports students moving into more complex arithmetic and prepares them for algebraic reasoning. It is ideal for upper elementary practice, enrichment, or skill reinforcement. By solving these equations, students strengthen computational accuracy and equation-solving confidence.

Curriculum Matched Skills

Mathematics – Four-Digit Subtraction Reasoning

Mathematics – Multi-Step Regrouping Skills

Mathematics – Solving for Unknowns in Complex Equations

Mathematics – Advanced Number Sense and Place-Value Understanding

This worksheet is part of our Missing Number Subtraction Worksheets collection.