The CRR's Vision is an excellent mathematics teacher for every child. The CRR’s Mission is to attract, develop, and support new mathematics teachers, and engage current mathematics teachers in re-imagining mathematics learning through innovative programs, retaining high-quality teachers in mathematics education. The CRR's Values are Community, Growth, Service, and Empowerment.
Partnered with the Arizona Department of Education (ADE) to offer FREE professional learning opportunities for ALL Arizona teachers, including:
- Mathematics Educator Appreciation Day Conference (MEAD), Arizona’s largest mathematics education event
- Teacher Workshops and Summer Institutes
- New Teacher Induction Program
- Teacher Leadership Development
- Placement of university students in local classrooms to assist teachers and to mentor students
- Advanced Placement Calculus and Statistics workshops and student practice exams
- Free online tutoring for all K-12 math topics
- Community events, such as Game Night, Pi Day, and STEM Fairs
An Excellent Mathematics Teacher for Every Child
Upcoming PD Events & Webinars
Conceptual Strategies for Multiplication and Division Grades 3-5 (IMPACTS-Elem)
Students need to understand the meaning of multiplication beyond repeated addition & the meaning of division beyond...
Tomato, Tomahto, Let’s Call the Whole Thing Off? No! Let’s Learn about Ratios!
Ratios and proportional relationships are critical areas for middle school mathematics and are foundational for further.
Digging Deep into Addition and Subtraction Grades K-4 (IMPACTS-Elem)
Addition and subtraction are the foundation of elementary mathematics. These operations intentionally and...
IMPACTS-HS #1
Come and join us for our first IMPACTS-HS workshop of this year!
Powerful Models for Rich Proportional Reasoning Grades 5-9 (IMPACTS-MS)
Ratios and proportional relationships are critical areas for middle grades mathematics and are foundational for...
Digging Deep into Place Value Grades 2-5 (IMPACTS-Elem)
Place Value is a crucial understanding students develop across their elementary experience. Why does it seem to come..
Building a Sense of Fractions Grades 1-4 (IMPACTS-Elem)
Have you ever wondered how and where the teaching of fractions starts? What if there was a way to build…
Digging Deep into Number Sense Grades PK-1 (IMPACTS-Elem)
What specific strategies and ideas will lay a strong number sense foundation for our youngest learners? How can we...
HEMS HS: Quadratic Storytelling: Thinking Inside the Square
In this session, we will introduce Tanton’s Quadrus Method for solving Quadratic Equations, and how it can be used...
Fraction Operations: Foundations for Middle School Grades 5-8 (IMPACTS-MS)
Fractions and fraction operations are the foundations for middle school mathematics...
Powerful Problem Solving Grades K-5 (IMPACTS-Elem)
The key to helping students understand and successfully solve word problems is to help them visualize and make sense...
Upcoming PD Programs
CRR New Teacher Induction Program 2025-2026
The New Teacher Induction Program for Secondary Mathematics supports middle and high school teachers new to mathematics.
On Demand
On Demand
Math for Early Learners 2024 Workshop Series — Part 4
Engage in ways to help young learners quantify their world through data analysis and measurement. We will explore...
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.
On Demand
Math for Early Learners 2024 Workshop Series — Part 3
Explore the ways we can engage young learners in algebraic thinking. We discuss ideas that promote flexible thinking...
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.
On Demand
Math for Early Learners 2024 Workshop Series — Part 2
We explore geometry the way a young child learns shape/space, with a look at their world in and out of…
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.
On Demand
Math for Early Learners 2024 Workshop Series — Part 1
We explore counting/cardinality through a picture walk, using number tracks to connect counting with numerals.
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.
On Demand
Math for Early Learners: Exploring Mathematics in Preschool and Kindergarten
What does mathematical exploration look like in preschool?
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.
On Demand
Math for Early Learners: Geometry, Storytelling, and Problem Posing
We focus on both shape, space, sound, and symbol across mathematics, and reading/storytelling to develop problem-posing.
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.
On Demand
Math for Early Learners: Counting Adventures and Algebraic Thinking
We focus on counting with fun adventures AND visualizing change as a tool for algebraic thinking.
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.
On Demand
PD Spotlight: Center for Recruitment and Retention of Mathematics Teachers
Rodrigo Gutiérrez provides information about the Center for Recruitment and Retention of Mathematics Teachers.
On Demand
Math for Early Learners: Number Sense
How does a child understand space, shape, and measurement, and how can we support this in preschool classrooms?
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.
On Demand
Math for Early Learners: Number Sense and Games that Build Fluency
We explore both the qualities we need to look for in games, and how child engages in understanding numbers.
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All educators in partner districts/schools and early childhood educators can create a profile for free on the TREC Website.