For K-8 Teachers · No district approval required

For Teachers Who Want Math to Finally "Click"

The Complete Math Success Program. A full K-8 math curriculum with research-backed instruction, diagnostics that show you how students think, and live expert help. $21/month, month to month.

$21/month · cancel anytime

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30-day money-back satisfaction guarantee · No contract · Set up in 1 minute

Create Confident, High-Achievement Math Classrooms

A simple, research-backed system that helps students understand the math instead of memorize steps. When students can see the math, they can explain it. When teachers have clarity, they can teach it. That is how learning sticks.

Dr. Jonathan Brendefur spent three decades obsessed with one question: how do children actually learn math? Before founding DMTI, he spent 20+ years as a professor of mathematics education. He watched students memorize procedures they didn't understand. He watched teachers burn out trying to teach everything instead of what matters. He watched districts spend millions on curriculum cycles while student outcomes stayed the same.

Kids are not the problem. Teachers are not the problem. The system is the problem, and systems can be fixed.

Dr. Jonathan Brendefur, PhD
Founder, Developing Mathematical Thinking Institute · Professor of Mathematics Education, 20+ years

One Coherent System for K-8 Math

Most curriculums give you more to teach. The Complete Math Success Program gives you a system that makes teaching clearer. Three connected pillars, so students don't just practice math, they understand it.

Diagnose Understanding

Uncover how students are thinking, not just whether they got answers correct. When you can see their thinking, you can teach to it.

Teach With Visual Models

Every lesson uses consistent visual representations across grades, so students can see the math, make sense of it, and explain their reasoning.

Intervene With Precision

Instead of reteaching entire units, targeted tasks fix specific misconceptions revealed in diagnostics, saving time and building real understanding.

When diagnosis, instruction, and intervention speak the same visual language, students stop memorizing and start thinking like mathematicians.

What You Get Inside The Complete Math Success Program

A full K-8 system. Research-backed and classroom-tested. Everything below is included.

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Full K-8 Curriculum Map

A complete research-based roadmap for what to teach, when to teach it, and how concepts connect across grades.

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Lesson Example Videos

Real classroom modeling that shows exactly how to teach each lesson, not just what to say but how to respond to student thinking.

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Diagnostics (Screener + Detailed)

Assessments that reveal how students are thinking, so intervention becomes targeted instead of guesswork.

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Intervention Activities

Hands-on, high-impact tasks designed to fix misconceptions without reteaching entire units.

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Varied Practice Sheets

Strategic practice that builds conceptual understanding, not repetitive worksheets.

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Student Workbooks (Printable)

Ready-to-print workbooks with structured practice, visual models, and space for student thinking.

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Games and Apps

Engaging activities that reinforce core ideas through visual models and mathematical play.

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Teacher and Parent Letters

Clear support for instruction at home and in class, so everyone speaks the same math language.

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Only $21/Month?

Most curriculum systems cost hundreds to thousands per teacher and require district approval before anyone can access them. We built Math Success differently: not as another product to sell to districts, but as a teacher-first resource any educator, coach, or small school can start using immediately, without waiting on a budget cycle.

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A full K-8 curriculum map

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Research-backed instruction

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Classroom-tested lesson videos

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Diagnostics that actually guide intervention

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Tools that finally make math make sense

Math instruction shouldn't be locked behind expensive contracts.

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Try It With Your Students

Teachers don't need another commitment. You don't need a contract, a district decision, or a big purchase order to get started. You deserve the chance to explore the resources first, see your students connect ideas, and feel more confident walking into class tomorrow.

Month-to-month $21/month No contract. Cancel anytime.

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Here's What Teachers Are Saying

★★★★★

"These kids aren't just saying math words anymore. They can explain them and show models to back it up."

Rosie AhcraftTeacher

★★★★★

"This is it. This is how to teach math."

Molly YorkTeacher

★★★★★

"In 14 years, I've never seen a company come in and support the children directly. DMTI works with the teachers and the students side by side."

Principal Chinita IrbyAdministrator

One person can make a difference.

You do not need the district to change. One teacher, one classroom, one group of kids. The system runs on six-year adoption cycles. Your students run on days. The research is on your side, the materials are printable, and the first lesson can be in front of your students tomorrow.

Are you ready?

Get started in 1 minute. This program will make you a better math teacher, and your students will show it.

$21/month

Month-to-month. Cancel anytime. No contract. 30-day money-back guarantee.

✓Thousands of K-8 resources: activities, lessons, games, and interventions for every learning situation

✓Weekly Office Hours: live calls with Dr. Brendefur and Dr. Ismail, PhD experts who answer your questions

✓MLP diagnostic: the only assessment that tests spatial reasoning and KDUs, with targeted intervention activities

✓Direct Q&A help: responsive support from real math learning experts

✓Works with any curriculum: Eureka, Illustrative Math, Bridges, and more. Offline and online delivery.

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P.S. For the skippers.

Here is what you get instantly when you join The Complete Math Success Program ($21/month): the full K-8 curriculum map, lesson example videos, screeners and detailed diagnostics, intervention activities, teacher and parent letters, varied practice sheets, games and apps, live office hours with PhDs, and direct Q&A support. Month to month, cancel anytime, 30-day money-back guarantee.

Enroll Now