mFITT: Math Fluency Interview Tools & Trajectory

MMSA’s mFITT (Math Fluency Interview Tools & Trajectory) suite is a collection of interviews, instructional resources, fluency card decks, games, and professional learning supports designed to strengthen student mathematical thinking and fluency.

What mFITT Supports

This collection helps K-12 educators build understanding and fluency across:

  • Proportional and Linear Relationships
  • Whole Numbers & Operations
  • Fractions & Operations
  • Integers & Operations

Each content area includes interviews, instructional resources, games, activities, and tools aligned to research-based learning trajectories.

Fluency Through Reasoning

mFITT defines fluency as: Accuracy, Efficiency, and Flexibility.

Our resources are designed to help students develop conceptual understanding, connect strategies and representations, and engage in meaningful mathematical practice.

Multiple Representations Matter

mFITT activities connect:

  • Contexts and real-world situations
  • Visual models
  • Number lines
  • Tables and graphs
  • Equations and symbols

These connections support flexible thinking, stronger number sense, and deeper mathematical reasoning.

mFITT in Action

View the following to explore mFITT first-hand:

  • Get a video tutorial of an mFITT interview
  • See examples of our games and activities

Bring mFITT to Your School

Want to add mFITT to your curriculum?

Contact us to learn how we can work with you to design a tailor-made professional development plan for your school or district using our mFITT suite to strengthen your students’ mathematical thinking and fluency.

Contact Us