Basic Equation Completion Answer Key

This worksheet provides simple subtraction equations where a single-digit number is missing from the equation. Students solve each by understanding how subtraction and addition relate. The problems emphasize the idea that subtraction can be checked by adding the difference and subtrahend. This worksheet is ideal for younger learners who are practicing fact families and simple equation structures. It supports independent and small-group work. Students strengthen foundational subtraction fluency and reasoning skills.

Curriculum Matched Skills

Mathematics – Understanding Basic Subtraction

Mathematics – Fact Family Reasoning

Mathematics – Solving for Unknowns in Equations

Mathematics – Developing Fluency with Single-Digit Numbers

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