STSylvia TziortzisMaths tutoring

Mathematics educator, tutor and HSC marker

Maths tutoring for Years 5 to 12 with an experienced teacher and HSC marker

Sylvia is an experienced Mathematics educator with over a decade of teaching experience and a genuine passion for helping students build confidence, strengthen their mathematical understanding and achieve outstanding academic results.

NSW curriculum
Years 5–12
NSW curriculum
Knows the marking
HSC marker
Knows the marking
per one-hour lesson
$150
per one-hour lesson
ST

Sylvia Tziortzis

One-to-one lessons online (Zoom or Microsoft Teams) or in person

Mathematics AdvancedHSC-style question

Find the equation of the tangent to the curve y = x2 − 4x + 3 at the point where x = 3.

The kind of question we practise together2 marks

Results

A track record of HSC Mathematics success

Band 6HSC Mathematics results achieved by students Sylvia has tutored
1st in the stateAchieved by a student Sylvia tutored, one of her proudest results
10+ yearsTeaching Mathematics, with HSC marking experience

Availability

Next open times

Sydney time. Pick one to start booking.

See all times

Subjects

What we can work on

Stage 3 Mathematics

Number sense, fractions, decimals, measurement and problem solving, building the foundations for high school.

Years 5–6
Stage 4 Mathematics

Algebra, ratios, geometry and data, with gaps in understanding found and fixed early.

Years 7–8
Stage 5 Mathematics

Core and Advanced pathways, with the skills and confidence needed for the senior course you choose.

Years 9–10CoreAdvanced
Mathematics Standard 2

Financial mathematics, measurement, networks and statistics, practised on HSC-style questions.

Years 11–12HSC
Mathematics Advanced

Functions, trigonometry, calculus and statistics, with exam technique for the long-response questions.

Years 11–12HSC

About

Meet Sylvia

As a practising Mathematics teacher and an HSC Mathematics marker, Sylvia brings extensive classroom experience and valuable insight into HSC assessment standards and examination requirements. Her expertise in the NSW Mathematics curriculum enables her to provide targeted, high-quality tutoring tailored to each student's individual needs and academic goals.

Sylvia provides personalised Mathematics tutoring for students in Years 5 to 12, supporting learners across a range of abilities and learning needs. Her areas of expertise include Stage 3, Stage 4, Stage 5 Core and Advanced Mathematics, as well as Stage 6 Mathematics Standard 2 and Mathematics Advanced.

With a strong track record of student achievement, Sylvia has helped students attain Band 6 results in their HSC Mathematics courses. One of her proudest achievements has been tutoring a student who went on to achieve first place in the state.

Sylvia's teaching philosophy centres on making Mathematics clear, engaging and accessible. She focuses on building strong foundations, addressing gaps in understanding, developing effective problem-solving strategies and equipping students with the skills and confidence to approach assessments successfully.

Sylvia believes every student has the potential to improve and achieve their personal best. Through structured lessons, individualised guidance and consistent encouragement, she is committed to helping students reach their academic goals and develop a lasting confidence in Mathematics.

Approach

How Sylvia helps students improve

Strong foundations

Lessons build the core skills every later topic depends on, starting from what the student already knows.

Gaps found and fixed

Sylvia pinpoints the gaps in understanding that hold marks back and works through them step by step.

Problem-solving strategies

Structured ways into unfamiliar questions, so students know where to start under exam conditions.

Assessment confidence

Insight from HSC marking shows how responses are assessed and how to set out full-mark answers.

Experience
MT
Mathematics teacher

NSW secondary school, practising · Over 10 years

Teaches Mathematics in the classroom with in-depth knowledge of the NSW Mathematics curriculum.

HSC
HSC Mathematics marker

NSW Higher School Certificate

Marks HSC Mathematics examinations, with first-hand insight into assessment standards and examination requirements.

ST
Private Mathematics tutor

One-to-one tutoring · Years 5 to 12

Personalised lessons for learners across a range of abilities, tailored to each student’s needs and goals.

Education
Bachelor of Education (Secondary Education: Mathematics)

The University of Sydney

Postgraduate Advanced Diploma in Industrial Relations and Human Resources

Postgraduate study

How it works

Booking takes a few minutes

  1. 1

    Create an account

    Sign up with the student’s name and an email address. It takes a minute.

  2. 2

    Pick a time and pay

    Choose an open one-hour slot (Sydney time) and pay securely by card through Stripe.

  3. 3

    Meet online or in person

    Join on Zoom or Microsoft Teams, or meet in person. Paid lessons can be moved up to 7 days before.

Pricing

One simple price

Pay per lesson when you book. No packages or subscriptions.

$150per lesson
  • One-to-one, 60 minutes on Zoom, Microsoft Teams or in person
  • Lesson focused on the topics you choose
  • HSC-style questions and exam technique
  • Reschedule a paid lesson up to 7 days ahead

Questions

Frequently asked questions

Which year levels and courses does Sylvia tutor?

Sylvia tutors Mathematics for Years 5 to 12: Stage 3, Stage 4, Stage 5 Core and Advanced, and Stage 6 Mathematics Standard 2 and Mathematics Advanced, following the NSW syllabus.

How much does a maths lesson cost?

Each one-to-one lesson is one hour and costs $150 AUD, paid securely through Stripe when you book.

How are lessons run?

Lessons are one-to-one, either online over Zoom or Microsoft Teams (so students anywhere in NSW can book) or in person. Choose online or in person when you book; for in-person lessons Sylvia will confirm the location with you.

How does being an HSC marker help my child?

As an HSC Mathematics marker, Sylvia knows the assessment standards and what examiners look for, and teaches students how to set out answers that earn full marks.

Can I change a lesson time?

Yes. You can reschedule a lesson for free to another open time up to 7 days before it starts.