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Solve for the unknown number: addition and subtraction only

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Solve for the unknown number: addition and subtraction only — free printable Grade 3 math worksheet

This worksheet provides practice solving equations with unknown numbers using addition and subtraction only. Teachers can use it to reinforce students' understanding of basic algebraic concepts and improve their problem-solving skills. Ideal for Grade 3 math lessons focusing on equations, it supports developing fluency in finding unknown values in number sentences.

Learning objectives

  • Identify the unknown number in addition and subtraction equations
  • Solve equations by performing addition and subtraction operations
  • Verify solutions to ensure the unknown number satisfies the equation

How to use this worksheet

  1. Select “Sign in / Sign up to download”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for Grade 3; it's no-prep, with no extra materials needed.
  3. Hand it out as classwork, homework, or a quick warm-up.

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