A. D. Santiago
We have 2 kids who love it here! Its so nice to see them motivated about learning math! We homeschool and this...
See more reviews here




A. D. Santiago
We have 2 kids who love it here! Its so nice to see them motivated about learning math! We homeschool and this...
See more reviews here
For high-achievers who are ready for the next level, Mathnasium Plus takes students beyond grade-level math and builds advanced thinking that creates lasting advantages.
Our Results
94%
Math Skills
of parents report an improvement in their child’s math skills and understanding.
93%
Attitude
of parents report improved attitude toward math after attending Mathnasium.
90%
Success
of students saw an improvement in their school grades.
Our Results
The Proof Is In The Numbers
Math Skills
of parents report an improvement in their child’s math skills and understanding.
Attitude
of parents report improved attitude toward math after attending Mathnasium.
Success
of students saw an improvement in their school grades.
Our Litchfield Park & Goodyear tutors use the Mathnasium Method™, our proprietary teaching approach that combines personalized learning plans with mental, verbal, visual, tactile, and written techniques to build math knowledge level by level.
Schedule Free AssessmentOur caring, specially trained math tutors provide face-to-face instruction in a supportive and engaging learning environment. We work with K-12 students of all skill levels, both in-center and online, to help them achieve math mastery.
Discover how Mathnasium tutors helped Malachi become more confident in math.
Each Mathnasium student receives a personalized learning plan that considers their current skill level, knowledge gaps, and academic goals. Combined with our teaching approach, the plan is designed to help the student truly understand, master, and enjoy math.
Discover how Mathnasium helped Maddie transform her math skills. Initially struggling with the lowest math grades in her class, Maddie worked with our tutors using a personalized approach tailored to her specific needs.
Math Tutors Near You
Mathnasium’s specially trained tutors work with K-12 students in Litchfield Park & Goodyear both in-center and online. We proudly serve local communities and schools, including:
Specially Trained and Caring Team
Libby Lossing
Director of Marketing
Prior to joining the Mathnasium team full time, Libby attended the University of California, Los Angeles, where she was the Captain of the UCLA Spirit Squad and traveled the country as the school’s mascot. This multifaceted experience allows her to connect with a wide range of people and fosters a collaborative and engaging atmosphere in her work. In addition to her bachelor's degree from UCLA, Libby holds a certificate in School Management and Leadership from the prestigious Harvard School of Education and Business School.
Some of Libby’s exceptional achievements include:
Karen Lossing
Executive Director
Karen is a powerhouse in the world of education, with a mission to make math click for every child. Karen’s career in education began in 2004 when she noticed her son was falling behind academically and wanted to help him and students like him get the best support available. Karen earned her master’s and teaching certificate and became a classroom teacher. During her years of teaching, she worked as an interventionist and district liaison for math curriculum and instruction.
After nearly a decade working in schools, Karen shifted gears to supplemental education in 2013 and opened the doors to her first Mathnasium franchise. Karen's first learning center has been recognized as a top performing location for several years in a row.
In addition to the work she does at her learning centers, Karen has served on the Mathnasium Franchise Advisory Committee, where her influence has been instrumental in shaping the company's direction and curriculum. Her efforts have led to the frequent adoption of new curriculum and student management systems, ensuring Mathnasium offers the best possible tools to help students excel and instilling confidence in her leadership.
Some of Karen’s achievements include:
Today, Karen and her family own a network of Mathnasium Learning Centers, empowering K-12 students to unlock their full math potential.
Evan Lossing
Director of Human Resources
Evan's journey at Mathnasium began in 2013 as an Instructor. His passion for math education stemmed from his own academic journey. In elementary school, Evan overcame challenges in math with supplemental support, ultimately excelling and earning a spot in the accelerated program by high school. Fueled by a desire to help others experience similar success, Evan pursued a bachelor's degree in business management at Texas Tech University. Upon graduating, he leveraged his education and Mathnasium experience to excel as our Director of Human Resources.
Evan is relentlessly committed to providing exceptional customer experiences. His passion for understanding and meeting the needs of our students and their families drives him to continually seek out new knowledge and strategies. From staying on top of industry trends to immersing himself in educational podcasts and webinars, Evan is always on the forefront of customer service best practices. His dedication to creating positive and lasting relationships with our students and their families is evident in everything he does.
Evan recognizes that happy employees who are thoroughly trained and fully engaged with the work they’re doing produce the best results. Evan hosts weekly trainings and has built continued education programs to empower our team to continue to best themselves. His work was recognized by our headquarters and he was invited to help build national training programs to benefit our entire franchise network.
Some of Evan’s achievements include:
Steven Lossing
Executive Director
Students can take 3 easy steps to enroll at Mathnasium.
All students begin their Mathnasium journey with a diagnostic assessment that pinpoints what they already know and what they still need to learn.
FAQ
Make this the year your K-12 student finds their math mojo! Enroll in January 2026 and Save $100!
Schedule Free Assessment
Mathnasium is proud to be an Approved Vendor with the AZ's Empowerment Scholarship Accounts (ESA).
Schedule Free Assessment
Math is more fun with a friend! Refer and earn a $100 credit and reward cards for your student!
Contact Us
Elementary school students who can recall their math facts with accuracy, efficiency, and underst...
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Reduce test anxiety and develop the specific skills needed to succeed on the SAT and/or ACT with ...
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Jan 22, 2026
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Dec 29, 2025
14175 W Indian School Road, #A01
Goodyear, AZ 85338
| Call: | (623) 213-8653 |
| Text: | (623) 213-8653 |
| Email: | [email protected] |
Mon
1:00PM - 7:00PM
Tue
1:00PM - 7:00PM
Wed
1:00PM - 7:00PM
Thu
1:00PM - 7:00PM
Fri
1:00PM - 4:00PM
Sat
10:00AM - 1:00PM
Mon - Thu
1:00PM - 7:00PM
Fri
1:00PM - 4:00PM
Sat
10:00AM - 1:00PM
| Mon: | 1:00PM - 7:00PM |
| Tue: | 1:00PM - 7:00PM |
| Wed: | 1:00PM - 7:00PM |
| Thu: | 1:00PM - 7:00PM |
| Fri: | 1:00PM - 4:00PM |
| Sat: | 10:00AM - 1:00PM |
| Mon - Thu: | 1:00PM - 7:00PM |
| Fri: | 1:00PM - 4:00PM |
| Sat: | 10:00AM - 1:00PM |