Math for every level
Math makes sense here.
FiboTutors is a free K-12 math learning site with 137 games, 264 interactive tools, 107 printable worksheets, and 1,012 practice problems — all free to use with no accounts and no purchases. Built by math instructor Selena Bui, everything is organized by skill and grade level so parents and teachers can find the exact concept a child needs in seconds. Kids can play, practice, and explore anonymously: nothing to sign up for, nothing to buy.
Parabola explorer
Live demo
Linear EquationsMastered
SlopeCurrent skill
FunctionsUp next
- Pre-K to CollegeOne path from counting to calculus
- Interactive MathGraphs, labs, and visual tools
- Free Tools & WorksheetsCalculators and printable practice
- Learning that connectsEvery skill mapped on FiboMap
What are you learning?
Start at your level. Fibo connects everything that comes next.
One concept. Many ways to learn it.
Choose the way that helps you understand best — everything connects through the same math skill.
See how math connects.
FiboMap shows what you already know, what you need first, and what to learn next.
Knowledge graph preview. Fractions and Decimals are mastered and lead to Ratios, also mastered. Proportions is the current skill. Linear Equations, Functions and Quadratics come next.
- Mastered
- Current
- Up next
Solve it. Then understand it.
Powerful math tools that do not stop at the answer.
Add, subtract, multiply, and divide fractions and mixed numbers, then see exactly why the answer works.
Percent of a number, percent change, and reverse percentages — the everyday math, explained.
Try it now — enter two points and watch the slope appear:
Solve linear equations and watch each inverse operation undo the equation, one line at a time.
Factoring, completing the square, and the quadratic formula — pick the method that clicks.
Enter any three sides or angles and get the rest — with the triangle drawn to scale.
Don’t just memorize math. See it.
Drag the sliders and watch the parabola respond instantly. This is how Fibo teaches — through interaction, not memorization.
Practice with instant feedback.
Try a problem — or hit “Try another” for a fresh one. Fibo checks your answer and explains mistakes, with a fresh problem every time.
Solve for x
3x + 7 = 22
Skill: Linear Equations
78% — sample only
Recommended next: Variables on both sides
Worksheet Generator
Fractions, mixed numbers, order of operations — printable practice, generated fresh every time.
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Learn through play.
Games that teach real math. Each one is tied to a FiboMap skill, so play counts toward real understanding.
Fraction Forge
Hammer fraction pieces into shape before the timer runs out.
Coordinate Quest
Plot points and follow the map to hidden treasure.
Equation Balance
Keep the scale balanced by solving for x.
🎮 Sight Words Game
Hear it, build it, spell it — 85 sight words in four playful modes for early readers.
Sometimes you need a real person. Coming soon
When practice isn't enough, work one-on-one with a Fibo math tutor who can see exactly where you're stuck. 1-on-1 tutoring is opening soon — join the waitlist for first access.
Your FiboMap, shared with your tutor
Sessions will start where you're stuck — not from page one.
No stock photos, no scripts — just a tutor who already knows your math.
For parents and teachers
Fibo is not only for students. Parents can review practice results alongside their child, and teachers can build practice in minutes — no accounts, no sign-up, everything free.
Parents
Watch your child learn — and practice together.
- Free worksheets and games for every skill
- Instant feedback on every practice problem
- Printable practice sets with answer keys
Loved by Students, Trusted by Teachers
Join thousands of learners making math click every day.
"My students actually ask to play the math games. The Escape Room turned review day into their favorite day."
"The Hint Ladder is genius. It helps me without just giving away the answer. I finally get fractions!"
"I use the worksheet generator every week. What took me an hour now takes two minutes."
How FiboTutors Works
Three steps to math confidence.
Learn
Clear lessons with worked examples, common-error warnings, and step-by-step solutions.
Practice
Thousands of problems with smart hints, Socratic coaching, and instant feedback.
Play
Lock in skills with games — escape rooms, battleship, pixel art, and typing races.
Teachers
Create practice without spending your evening making worksheets.
- Ready-made assignments by skill
- Printable worksheets with answer keys
- Fresh problem sets in seconds