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Mathnasium 4512 Sunrise Highway, Oakdale NY 11769 (631) 699-5995

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Appointy booking URL: | We offer BOTH in-center AND live, web-based instruction through Mathnasium@home from the same local, expert instructors who teach in our center. Call or text 699-5995 (631 area code) for more information! Enrolled Familes MAKE APPOINTMENTS USING: and sign in to Appointy using your email address and password, or text 699-5995 (631 area code) and ask for the "portal password" to login in to the portal, below (you'll still need your Appointy password to make appointments in the portal).

News from Mathnasium of Sayville

Mathnasium Enrichment Student Makes the Grade on NBC's "Genius Junior"

Apr 24, 2018

Enrichment Student Makes the Grade on NBC's "Genius Junior" By Mathnasium | Added Apr 23, 2018 When Lance Kay, of Lafayette, PA (on left), was a pre-K student in his Montessori school, his teachers noticed something unusual...

Summer 2018 Instruction Hours

Apr 17, 2018

We asked, you answered!  Thanks to your help, and after carefully reviewing your survey responses, we have finalized our Summer Hours. Based on the survey results and comments, it is clear that Saturday or Sunday, during the summer, won’t work ...

Mathnasium: We Put the "M" in STEM!

Apr 11, 2018

What is STEM? It is simply an acronym for Science – Technology – Engineering – Mathematics. Why is STEM important? STEM careers in the US are growing twice as fast as other professions. They also make up over 90% of the best paying jobs s...


Apr 7, 2018

Why do kids struggle with Algebra? We’ve asked algebra teachers what skills they wish their students were better at coming into Algebra class? Their answers were always the same 3 skills: Multiplication facts, Fractions, and Integers.  So why a...


Apr 7, 2018

Why do kids fear and struggle with fractions? Many kids fear fractions because they don’t understand how they work – they mix up the parts and don’t understand what they mean and what we do to them. Parents typically understand enough to get...

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