What the equal sign really means
In 1st grade, children learn that the equal sign means "the same amount as" and that an equation like 5 + 2 = 2 + 5 can be checked as true or false.
By Robert “Bobby” BarnettMath teacher, parent, and founder of Bobby’s Math Club
Try these with your child
These are real questions from our 1st grade practice. Tap the speaker to hear one read aloud, or the light bulb for a hint, and talk about the answer together.
Question 1 of 3
Is 3 + 4 = 7 true or false?
- True
- False
- Maybe
Why this matters
Understanding the equal sign is a quiet turning point in your child's math, even though it looks like a tiny symbol. Children who think it means "write the answer next" get stuck on problems like 9 = 4 + ? or 3 + 5 = ? + 6, which appear throughout elementary school. Seeing it as a balance, with the same amount on each side, is also the heart of algebra in middle school.
Where kids can get stuck
- Calling 7 = 8 - 1 false or "backward" because the answer is on the left instead of at the end.
- Checking only part of an equation, calling 4 + 1 = 5 + 2 true because 4 + 1 does make 5.
- Filling in 3 + 5 = ? + 6 with 8, the answer to the left side, instead of 2, which makes both sides equal.
How you can help
- Make a balance with a coat hanger and two cups, or use two plates, and put 3 + 4 blocks on one side and 7 on the other to show they match.
- Say quick equations at dinner and let your child call out true or false, including ones that start with the answer, like "6 = 3 + 3" or "9 = 5 + 5."
- Ask your child to fix false equations. For 4 + 1 = 5 + 2, ask what number could replace the 2 to make it true, and then why.
If it’s helpful, you can watch the kid-friendly video below, or sign up for free, adaptive practice in Bobby's Math Club.
Kid-friendly explanation
Questions parents ask
Why is my child learning true and false equations?
True or false questions check whether your child sees the equal sign as meaning "the same as" rather than "the answer goes here." That understanding is needed for missing-number problems in 1st and 2nd grade and for algebra later. It is a small idea that prevents a lot of confusion down the road.
My child says 8 = 5 + 3 is wrong. What should I say?
Many children think this because they usually see the answer at the end. Show them with objects: put 8 blocks on one side and a group of 5 and a group of 3 on the other. Ask if both sides have the same number. Hearing "8 is the same as 5 plus 3" helps them see the equation works in either direction.
How does this skill connect to later math?
Understanding the equal sign as a balance supports finding missing numbers, such as 12 = 9 + ?, and later solving equations with letters in middle school. It also helps with checking work, since children learn to compare both sides. Children who learn this early tend to find equations less confusing as they grow.
Make learning math fun
Bobby's Math Club turns 1st grade math practice into something fun to do together.
- Unlimited free practice
- Questions matched to your child’s level, a few minutes a day
- Level-ups, badges, and a cheer for every win
Written by Robert “Bobby” Barnett
Bobby is an award-winning math teacher, the author of Meet Every Learner’s Needs, and the father of two elementary-school math learners. He uses Bobby’s Math Club with his own kids a few times every week. Learn more or contact Bobby.
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Join the clubNote for teachers: This skill is covered by Common Core math standard 1.OA.D.7: “Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.” Learn how Bobby's Math Club can help your students grow. (Common Core 1.OA.7)