﻿ Tree of Math
• Welcome to Tree of Math
at OneMathematicalCat.org

• about 400 high-quality math lessons

• randomly-generated online practice in every lesson

• unlimited printable worksheets with solutions

• highly-credentialed author

Welcome! We're so glad you're here. Looking for high school and early college math? Want to truly understand what you're doing? You've come to the right place.

Start with arithmetic. Proceed step-by-guided-step through Algebra, Geometry, Precalculus, more. Or, jump to just what you need. Quick explanations or full text—your choice.

You'll never run out of practice. There are unlimited exercises and worksheets for every lesson—all randomly-generated, all with solutions. Practice online or offline. Time yourself.

All free. Highly-credentialed author. State-of-the-art mathematics display. Watch this 5-minute video for a quick start. Have fun looking around!

### Carol

Carol writes the lessons and creates the exercises. This web site has given meaning to her life since 1999—about 11,000 hours.

She has a Doctor of Arts in Mathematics (a doctoral-level degree that emphasizes effective teaching), and has taught for about 30 years at both the college and high school levels.

# MORE STUFF

### FUN FACTS

Get to know me! I think it's more fun to learn from someone you know. How old am I?   Do I have any kids?   What's my favorite number?   Do I play ping-pong?

### ALGEBRA PINBALL

You can time yourself on a lot of my exercises. I remember watching my students at Miss Hall's School trying to beat a really fast time—their fingers were flying! It made me think of someone using a pinball machine, and thus was born ‘Algebra Pinball’.

### LANGUAGE OF MATH

This is the book that started my entire web site. Brooks-Cole publishers loved it. They said: “If you can find the right place to put it, this book will do a great service to the mathematical educational world.”
MAIN

### NUMBER LINE POPULATION

Take up residence in my own one-dimensional world.
PRIVACY/LEGAL:

I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for me to earn fees by linking to Amazon.com and affiliated sites.

I (Dr. Carol JVF Burns) do not use cookies or collect information on my users.
Some of the add-on products I use to operate this website and enhance the user experience may collect their own information and/or use cookies, and I will let them speak for themselves:

# Say hello before you leave

Please send email to:

 (the at sign) (dot)

I removed my contact form—too much spam.
The email above is a mix of graphics and text
to try and foil spammers (sigh).