Addition True or False Worksheet
This Addition True or False Worksheet asks first graders to decide whether each number sentence is true, then fill in blanks to balance three equations. Answer key included, so checking work takes seconds.
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About this resource
Description
The equal sign is not a signal to write an answer — it means both sides are the same, and first graders who learn that early sail through the rest of arithmetic. This Addition True or False Worksheet builds that understanding one number sentence at a time. Students look at sums like 5 + 4 = 9 and 8 + 5 = 12, add each side, and decide whether the sentence is true or false. Because some problems put the sum on the left and some put a whole expression on both sides, students cannot guess by position — they have to add and compare.
Print the Addition True or False Worksheet and hand it out as a warm-up, a math-center task, an exit ticket, or homework. Part A gives eight number sentences with fill-in-the-bubble True and False choices, so the page is quick to scan and quick to grade. Part B raises the challenge: students write the missing number that makes both sides of the equation the same. Every number stays within 20, so the arithmetic is squarely on grade level and the thinking stays on the equal sign. A picture of a level balance scale shows exactly what “the same on both sides” looks like.
What’s Included
- One printable worksheet page, ready to copy in black and white or color
- Part A: 8 addition sentences with True and False answer bubbles
- Part B: 3 balance-the-equation problems with a blank to fill in
- A full answer key page
- Sums within 20, aligned to first grade addition standards
Three reasons this page helps kids. First, it corrects the most common misconception in early math — that the equal sign means “the answer comes next” — by showing sentences where the sum sits on the left. Second, the true-or-false format lets a student who is still counting on fingers succeed, because checking a sum is easier than producing one. Third, Part B turns the same idea around and asks students to make an equation true, which is the first step toward algebraic thinking.
Teachers and parents can stretch this first grade addition worksheet in a few easy ways. Ask students to rewrite each false sentence so it becomes true, and compare answers with a partner. Model Part B with two-color counters or a real balance so the idea of “the same on both sides” is something students can hold. Send the page home and have families invent one true sentence and one false sentence together at the dinner table. Finally, read each sentence aloud as “is the same as” instead of “equals” for a week — that one wording change does more for equal-sign understanding than any worksheet alone.
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