True or False Addition Worksheet
This true or false addition worksheet asks first graders to decide whether each addition equation is true or false, then write the missing number that balances four more. An answer key is included.
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About this resource
Description
The equal sign is one of the first big ideas in math, and it does not mean “the answer comes next.” It means both sides are the same. This True or False Addition Worksheet gives first graders steady practice deciding whether an addition equation is true or false, so they read the equal sign as a balance instead of a signal to start adding. Students add the numbers on the left, add the numbers on the right, and then compare the two totals. That one habit prevents the classic first grade mistake of writing 4 + 3 = 7 + 2, and it lays the groundwork for missing addends, fact families, and every equation students will meet later.
This printable is built for independent work. The first section holds eight addition equations with a true bubble and a false bubble beside each one, so students commit to an answer they can defend. The second section turns the same idea around and asks students to write the number that makes the equation balance. A friendly balance scale at the bottom of the page shows the idea in picture form. Use this true or false addition worksheet as morning work, as a quick check after a lesson on the equal sign, as a math center task, or as homework. An answer key is included on the second page, so grading takes seconds.
What’s Included
- One printable worksheet page and one answer key page
- Eight true or false addition equations with fill-in bubbles
- Four missing number problems that ask students to balance the equation
- Sums to 20, using addends first graders already know
- A balance scale illustration that models what the equal sign means
- A name and date line for easy classroom collection
Three things make this resource work. First, it separates computing from comparing: students practice adding twice in a single problem, then make a judgment, which is more thinking per item than a page of plain sums. Second, the true and false format gives instant feedback about a misconception teachers cannot always see, because a student who believes the equal sign means “write the answer” will mark true on equations that are clearly false. Third, the missing number section moves students from recognizing balance to creating it, which is the step that carries into algebra. Every one of these skills is grade level work for a first grade addition worksheet and lines up with first grade addition standards.
Teachers and parents can stretch this lesson well past the page. Set out a real pan balance with counting cubes and build each equation on it, so students see both sides level or tipping. Write an equation on a whiteboard and have the class vote true or false with thumbs up or thumbs down. Give partners a deck of number cards and ask them to build two addition expressions that match. Challenge early finishers to fix each false equation on the page by changing one number. Ask students to say the equal sign out loud as “is the same as” for a whole week and listen to how their explanations change.
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