Two-Digit Unknowns Answer Key

This worksheet presents two-digit subtraction equations with blank spaces for the unknown value. Students analyze the numerical relationship between minuend, subtrahend, and difference to find the correct missing number. Many problems require regrouping and mental math, enhancing computational fluency. The variety of placements for the missing value strengthens flexible thinking and equation-solving strategies. This worksheet is excellent for reinforcing subtraction fundamentals and developing algebraic thinking skills. Students improve accuracy while building confidence solving unknown-value equations.

Curriculum Matched Skills

Mathematics – Two-Digit Subtraction with Regrouping

Mathematics – Solving Equations with Missing Terms

Mathematics – Number Relationship Reasoning

Mathematics – Inverse Operations and Equation Balance

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