M. Delarosa
We have always enjoyed the Mathnasium on Kenyon Way in Rancho Cucamonga. Lenny is a wonderful leader and is in...
See more reviews here




M. Delarosa
We have always enjoyed the Mathnasium on Kenyon Way in Rancho Cucamonga. Lenny is a wonderful leader and is in...
See more reviews hereOur 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 instructors 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. This method ensures that each student receives tailored instruction that meets their unique needs and learning styles.
By focusing on understanding fundamental concepts and developing critical thinking skills, our approach helps students build a strong mathematical foundation.
Our dedicated and specially trained math tutors offer personalized face-to-face instruction in a supportive and engaging environment. We work with 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
We specialize in math-only instruction with a focused, caring, and fun learning approach that delivers results. We proudly serve local communities and schools including:
Specially Trained and Caring Team
Lenny
Center Director
Lenny earned a Bachelor of Arts degree in Accounting from California State University of Fullerton in 2001, and had worked as a Trust Accountant for United Retirement Plan Consultants for 11 years. Lenny has always had a great passion for teaching children. She has opened Mathnasium of Rancho Cucamonga since December 2012. She is part of The Children ministry Team at her church. She understands the importance of developing a child's Number Sense, and looks forward to sharing her love of math with your children.
Karen
Assistant Center Director
Juan
Assistant Center Director
Juan graduated from Montclair High School in 2018. He is currently attending Cal Poly Pomona pursuing a B.S. in Mathematics. He has 3 years of teaching experience from being an AVID Tutor and a Student Mentor for IM-II Math at Montclair HS. He plans on becoming a High School Math teacher because he hopes he can inspire students in the way his past teachers have inspired him. He has worked at Mathnasium since December 2022.
Joshua
Assistant Director
Joshua Clavecillas graduated from Rancho Cucamonga High School in 2022. He is currently a Second year at Chaffey college majoring in aerospace engineering. He enjoys teaching math, doing math, and spreading the beauty of mathematics. Next year he will transfer to Cal Poly Pomona pursuing aerospace engineering. He has worked at Mathnasium since August 2022.
Mary
Instructor
Mary is currently attending UC Riverside to pursue a career in the medical field. She had been a student at Mathnasium since 2013 and had participated in a few Tri-Mathlon in the past. In her free time she likes to listen to music and hang out with family and friends. She enjoy helping the younger students and teaching them that math is not as scary as it looks and it is fun. She has worked at Mathnasium since July 2022
Catalina
Instructor
Leo
Instructor
Leo graduated from Rancho Cucamonga high school and He is currently attending Chaffey College. He plans to transfer to Cal Poly Pomona to become an aerospace engineer. He enjoys tutoring and communicating with students a lot, and He is also thinking of getting another degree in education to be a high school teacher. He has worked at Mathnasium since December 2023.
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
Summer Program Early Bird Special: 10% off and free assessment if you register before May 20, 202...
Contact Us11460 Kenyon Way, #105
Rancho Cucamonga, CA 91701
| Call: | (909) 758-0777 |
| Email: | [email protected] |
Mon
3:00PM - 7:30PM
Tue
3:00PM - 7:30PM
Wed
3:00PM - 7:30PM
Thu
3:00PM - 7:30PM
Friday
3:00PM - 7:00PM
Mon-Fri
3:30 PM - 7:00PM
| Mon: | 3:00PM - 7:30PM |
| Tue: | 3:00PM - 7:30PM |
| Wed: | 3:00PM - 7:30PM |
| Thu: | 3:00PM - 7:30PM |
| Friday: | 3:00PM - 7:00PM |
| Mon-Fri: | 3:30 PM - 7:00PM |