Math Fluency Suite

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 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.

Get Started with mFITT

See mFITT in action:

• Watch a sample mFITT interview
• View examples of our games and activities

Bring mFITT to your school:

• Purchase mFITT’s Math Fluency Card Decks for your class for $6 a deck.
• Learn about MMSA’s professional learning and implementation support for the mFITT suite, which includes educator training, card decks for your class, and access to the mFITT site, which hosts dozens of instructional resources, games, and more.