Math Success by DMTI | Research-Backed K-6 Math That Builds Strong Thinkers
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Math is

40+ years of research, made teacher friendly, validated in classrooms, and delivered with full support from math learning experts.

Instruction built on how students think.

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Who We Serve

We help teachers use powerful levers for durable understanding.

Whether you're a teacher looking to level up or a district leader focused on outcomes at scale - we meet you where you are with a true partnership.

For Teachers

Most of us didn't learn math conceptually, and procedures are hard to remember if you don't know why they work. That's what we help with.

The complete, printable, online Math Success program: everything you need to teach K-6 math conceptually, with confidence. Works alongside any curriculum, in about 15 minutes a day.

  • Foundations Masterclass
  • Professional Development Library
  • Math Learning Profile & Diagnostics
  • Conceptual-First Curriculum (Full Year & Summer)
  • Student Workbooks & Varied Practice Sheets
  • Intervention Activities, Games & Diagnostics
  • Supplemental Materials & State-Style Assessments
  • Research-Backed Games & Apps
  • Reporting & Real-Time Student Insights
  • Support, Mentorship & Continuous Updates
Free Masterclass Start $21/mo

For Schools

Incomparable K-12 teacher support, aligned with your math initiatives, customized for your unique needs. Designed to complement any core curriculum.

  • In-person support via workshops, embedded co-teaching, demonstration lessons, etc.
  • Virtual support via Zoom, email, phone, SMS
  • Diagnostics & Targeted Intervention
  • Planning & Mentorship
  • PLCs
  • Classroom materials: "Make & Take" and "Cut or Keep"
  • Parent materials
  • Work with all curricula and standards
  • Personalized help throughout the year
  • Progress reporting
PD, Intervention, & Resources Estimate Budget
Why It Matters

Build strong thinkers
who truly understand.

Our approach develops students who deeply understand concepts, recognize how they relate to new topics and situations, and carry a strong foundation into advanced learning beyond K-6.

Deep conceptual understanding.

Students don't just memorize steps; they grasp why math works. This builds a rich, interconnected mental network that makes every new topic easier to learn because it connects to what they already know.

Knowledge that transfers.

When students understand the structure of mathematics, they recognize patterns across topics. Fractions connect to ratios. Multiplication connects to area. Learning compounds instead of resetting with each unit.

Confident student

Confident, capable learners.

Students who understand math become students who enjoy math. They develop the skills to recognize problems, break them down, find solutions, and explain their thinking, a true skillset for life, powerful in every area.

A foundation that lasts.

By building understanding as a set of interconnected ideas, not a chain of isolated procedures. We strengthen how students think. This foundation carries them confidently into algebra, geometry, and beyond.

Confident, smiling students in an elementary classroom

Math learning is a set of interconnected ideas, not a chain. We build this rich network in every student's mind.

How We Work

Three lenses.
One goal: durable understanding.

The mathematics, how students learn it, and how it is taught. We work with teachers on all three - each pillar depends on the other two.

DURABLE UNDERSTANDING 01 MATHEMATICS 02 PSYCHOLOGY 03 INSTRUCTION
01

The Mathematics That Matters Most

We develop measurement, spatial reasoning, and number together, so students understand the quantities and units behind every procedure.

02

The Psychology of How Students Learn

Students build lasting understanding by connecting models, language, and symbols, so we make those connections explicit in every lesson.

03

Instruction That Responds to Student Thinking

Teachers use what students show and say to decide what to teach next, and our lessons and assessments are built for that.

The Solution

Better thinking.
Bigger impact.

Math Success by DMTI. One coherent approach to mathematics, pedagogy, and teacher help.

Read Our Story →
+39pts
Highest SBAC Gain
Over four years. Iowa Elementary, Nampa.
16% → 55%
5th Grade SBAC Proficiency
5% → 30%
LEP Student ISAT Proficiency
43.5%
ACT Aspire Growth
300+
Schools Transformed

Foundations Masterclass

The most important things you didn't learn in school.

PD Library

Organized by grade band and topic. Videos, lessons, resources.

Math Learning Profile

Formative diagnostics that guide your instruction.

Conceptual-First Curriculum

Full-year and summer. Consistent visual models across grades.

Intervention & Games

Targeted tasks that fix misconceptions. Games that build understanding.

Support & Mentorship

A real person, every week. Office hours with PhDs and coaching built around your questions, not a sales call.

✦

Meeting teachers where they are, not telling them what to do. Helping you see what to do next.

Testimonials

Hear from teachers
and administrators.

Real educators share how DMTI transformed their teaching and student outcomes.

"Overall, the enthusiasm in the kids. You can't have a better partnership and mentorship than DMTI."

Shereva Purifoy
4th Grade Teacher, Dallas County

"I never thought I would enjoy teaching math. Now it's my favorite part of the day."

Ms. Hochstrasser
Elementary Teacher

"I saw light bulbs turn on and thinking turn on that I hadn't seen before with multiplication."

Angela Williams
4th Grade Teacher
Watch all teacher testimonials

"My entire 1st grade class was at grade level by the end of the year!"

Kelli Rich
1st Grade Teacher

"I wanted to share my math ISAT percentage with you. 73%! That's over 20 points higher than last year!"

Mrs. Johnson
Elementary Teacher

"Before, math was my least favorite subject to teach. Now, it is most definitely my favorite."

Emily
Elementary Teacher

"My students understand the First-Grade math standards a lot better. The lessons are thought out and sequential. They push a lot of higher-order thinking."

Katherine Saunders
1st Grade Teacher, Sacajawea Elementary

"The strategies I learned have completely transformed my math instruction. My students are finally understanding concepts, not just memorizing procedures."

Sarah M.
3rd Grade Teacher, Idaho

"The hands-on models and strategies work for ALL students, including my English learners and special education students."

Lisa R.
4th Grade Teacher, Oregon
See the Difference

Not a tour.
A lesson you can teach Monday.

Watch a real lesson, see how we teach it. Free prep, practice, and printables. Ask questions, attend Office Hours, or grab a time on our calendar.

Kindergarten

Counting and Number Sense

Building and breaking numbers apart: the kind of number sense every later topic leans on.

  1. 1 Watch the lesson taught
  2. 2 See where students usually get stuck
  3. 3 Pick the visual model that unlocks it
  4. 4 Read what the exit ticket tells you
  5. 5 Know what is most effective next
No card. Yours to keep.
Grade 2

Place Value: Addition and Subtraction

Why the addition algorithm works: real units built before symbols.

  1. 1 Watch the lesson taught
  2. 2 See where students usually get stuck
  3. 3 Pick the visual model that unlocks it
  4. 4 Read what the exit ticket tells you
  5. 5 Know what is most effective next
No card. Yours to keep.
Grade 4

Equivalence and Unit Fractions

From partitioning to equivalence: what a fraction means before any rules.

  1. 1 Watch the lesson taught
  2. 2 See where students usually get stuck
  3. 3 Pick the visual model that unlocks it
  4. 4 Read what the exit ticket tells you
  5. 5 Know what is most effective next
No card. Yours to keep.
Free · Every Monday

Your Questions, Answered

Open office hours with the PhDs behind the research: bring your real classroom question, leave with your next move.

Bring any question PhDs answer live No sales pitch
Mondays 3:30pm Mountain. 45 minutes.
Honest Truth

This program is for anyone,
though not everyone.

If you think we can put students on screens and outsource instruction to technology, or start with procedures, prioritize student memorization, and drill on worksheets - then this is probably not for you.

This approach is likely different from how you learned, it'll probably seem foreign at first, you may even be skeptical; however if you stick with it just a bit, it'll soon click and you'll wonder why math wasn't taught this way all along.

While there's no instant magic; a few minor, foundational, adjustments in your approach to math will make a massive difference with engaging lessons that strengthen student understanding, reasoning, and justification.

You'll see your student breakthroughs in other subjects as they use math thinking and language elsewhere. And, of course you'll see it in achievement gains.

Give it a try, it's actually quite energizing. Many teachers say that after working with us, math became their favorite subject!

Are you ready?

Are you ready for Math Success?

Everything you need for teaching K-6 math, with excellent support - from people who do the research, deploy it in the classroom, and measure the success.

$21/month

Try it now →

Or, try our free Foundations Masterclass.

Free Office Hours every Monday at 3:30pm Mountain. Watch live or follow us on YouTube for a reminder.

For districts: explore partnership models, transparent pricing, and PD that scales.

Explore PD & Resources → Estimate Your Budget →