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"TDF is on a mission to close the achievement gap using proven tools

to build confidence and boost achievement in

the students we serve."

Our Services

We defend potential by serving up innovative instruction to close gaps in performance.



Corporate Abacus 

Training for Schools, Centers and Churches

Offer abacus training to students in your school, neighborhood or church community to help build their confidence and boost their achievement in math. We'll supply the know-how (curriculum, materials and training) and move the academic needle in your community.


Professional Development for Educators

Earn CEUs while exploring evidence-based methods for improving student math skills. Help your class experience math visually using the soroban and grow their persistence and problem solving capability. Our multisensory approach is ideal for ADHD students and non-math educators.


Online Math Tutoring

High Impact

Grades 3 - 8

Experience one on one or small group tutoring with manipulatives and lessons that stimulate left and right brain development, strengthen critical thinking skills and align with your child's school curriculum. Progress is monitored to keep students on track with set goals

"The hands-on learning and "wow" factor will create awe and wonderment for my learners and increase critical thinking."

Watch Video:

Annual Newsletter

2023 newletter cover for wix.PNG

Parent Information Session

You can help us reach our goal!

We are helping students in under-resourced communities become better problem solvers. By teaching them to use the Soroban, we can improve their confidence and math fluency and set them up for success.


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