Comprehensive Math Intervention

K-12 solutions for small group, whole class,
homeschool, and tutoring

The help you need
without rote drills or short-cut tricks
Our approach is grounded in guided discovery tasks, narrowly focused so that relevant math concepts and procedures are noticed, reinforced, and remembered. It significantly reduces fear and frustration. Filled with fun and engaging activities, it puts your child or class on the fast-track to, "I got it!"

Click to go right to what you need:

1. Discover the Basics - go right to the heart of the subject - build confidence and competence with the basics

2. The Best Stuff and Concept Books - a more thorough treatment of concepts and procedures

3. Discover the Basics Podcasts - your 24/7 support for effective math teaching and learning

4. Downloads - don't wait for the mail - download books, chapters, or selected lessons right now!

5. Math Intervention Blog - a forum for math intervention issues, ideas, & practices

Stay connected with us and each other. Share ideas, experiences, and best practices.
What's New

Wait, Wait! You no longer have to Wait!

Click here to download whole books, or
just the lessons you need, now!
Starting at 99ยข

Current Topics:

  • Multiplication & Division
  • Addition & Subtraction
  • Squares, Roots, & Exponents
  • Negative Numbers
  • Perimeter, Area, & Volume
  • Fractions and Decimals
Featured Book:

Best Stuff for Multiplying and Dividing, 2nd Edition
- Revised 1999 California State Adopted Supplemental Text -

* Built on the documented success of its predecessor in
raising student achievement scores

* Click here to start today developing understanding, memory, and application
without rote memorization, drills, or stress
What Teachers and Homeschool Parents Say
ay
"My daughter now has the confidence and enthusiasm to tackle math, having acquired a strong foundation in basic concepts. She finally comprehends the lessons in her regular math book."

"Very strategic materials ... I love these ideas ... Great for those basic concepts."

" It is a simple introduction that includes the 'why' as well as the actual process. It's realistic in that it addresses multiple learning styles and intelligences."
"Thanks for ideas that work!"
Mastery Learning Systems, 532 N. School Street, Ukiah, CA 95482, 800-533-4181, mastery@pacific.net