Ever stared at two points on a graph and wondered how far apart they really are? You’re not alone. And guess what? There’s a pretty handy tool in algebra that answers that question every single time — it’s called the distance formula. This blog isn’t just a math explainer. It’s written with real students and caring parents in mind, especially those navigating 6th, 7th, and 8th-grade math. If your child is studying coordinate geometry or preparing for pre-algebra, this guide is for you.
Middle school math isn’t just about numbers. It’s about thinking clearly, solving problems, and building the confidence to ask “why?” before just writing down an answer.
The distance formula is a great example of math connecting directly to real life. Whether it’s figuring out the shortest route on a map, estimating space in a game, or just solving a tricky word problem, this formula shows up in more places than you think.
Here’s what it looks like:
Distance = √[(x₂ – x₁)² + (y₂ – y₁)²]
Looks intimidating? Don't worry — we’ll break it down so even a 6th grader can follow
Let’s say we’re given two points:
A = (2, 3) and B = (7, 9)
Now what?
Distance = √[(7 – 2)² + (9 – 3)²]
Distance = √[5² + 6²]
Distance = √[25 + 36]
Distance = √61
Distance ≈ 7.81 units
That’s the straight-line distance between the two points — even if your child didn’t draw the triangle, they just used geometry and algebra in one shot. That’s a solid math win!
We’ve been tutoring kids across grades 3–8 for years through online math tutoring, and this is where they usually get stuck:
That’s totally normal. Math concepts like this often need a patient online math teacher who can walk students through more than one example — and meet them at their level.
We’ve found that just talking it out can clear up 80% of the confusion. And that’s exactly what our best tutors do.
We’re not a tutoring factory. We’re parents and teachers first. Our founders have spent 15+ years in the education space, and we’ve built Ruvimo on one clear goal: help students thrive in math, without pressure or panic.
Here’s how we do it:
Whether you’re exploring 3rd grade tutoring online or looking for a 4th grade math tutor for topics like this one, we’re here to help make math easier - not more stressful.
You don’t need to be a math genius to support your child. Try these small shifts that make a big impact:
And if it ever feels like too much, that’s what we’re here for.
If your child needs one-on-one attention or just a bit more practice with algebra, our tutors are trained to keep learning light, focused, and enjoyable.
Check out our handpicked math tutors
Book a free trial session
Explore more math learning tips
The distance formula may look complex at first, but once your child gets the hang of it, they’ll see it’s just another way math explains the world around them.
And with the right support — from you, their school, and maybe even a trusted online mathematics tutor — they’ll feel more confident solving problems that once looked impossible.
Let’s help your child not just learn math — but feel proud of it.
Maya Thornton is a skilled online math tutor with seven years of experience helping students overcome math anxiety and build lasting confidence through personalized, one-on-one instruction.