CBR / P1
Early maths
Number with hands-on materials.
Open the syllabusCanberra, ACT · Primary to Year 12 and adults · Maths taught live online
Canberra is a city that was drawn before it was built, and its plan is full of geometry. State Circle, the road ringing Parliament House, is close to a perfect circle. Choose any three points on it and a little algebra gives the radius of the one circle passing through all three. Choose them well and you land within a few metres of 470.4 metres, the radius that fits every mapped point most closely. Choose three points bunched together and the answer drifts by more than a hundred metres. It is a small lesson in geometry, and a bigger one in how to measure. Our live online maths tutoring serves Canberra learners from primary school to the ACT senior courses and adults, in Canberra time.
Maths only on this page · Primary to adult · Independent of every Canberra school and university
Maths tutor in Canberra, in brief
Canberra learners from age 6 to 67 can take live online maths lessons with Modern Age Coders. Primary and high school maths come first, then the ACT senior courses, which ANU names as Mathematical Methods, Specialist Mathematics, Specialist Methods and Further Mathematics, and adult maths. We schedule in Canberra time, teach privately or in level-matched groups of fifteen to twenty, and the first lesson is free.
Common first choices in Canberra
Primary number work, the geometry and algebra of high school, and calculus for college students. More courses are listed below.

CBR / 1
For the first years of school: counting, comparing, shapes and patterns, learned with objects and pictures.
Open the syllabus →
CBR / 2
Years 7 to 10: algebra, geometry, circles and trigonometry, the ground under every college course.
Open the syllabus →
CBR / 3
Derivatives and integrals for students in Mathematical Methods or Specialist Mathematics.
Open the syllabus →Primary to college
Many Canberra students move from a high school to a separate college for Years 11 and 12. Our lessons follow the learner across that change.
| Stage | Years | Lessons focus on |
|---|---|---|
| Early primary | The first years of school to Year 2 | Number sense, counting on, simple shapes |
| Primary | Years 3 to 6 | Multiplication facts, fractions, measurement and angles |
| High school | Years 7 and 8 | Integers, ratio, early algebra and geometry |
| High school | Years 9 and 10 | Functions, trigonometry, circles and probability |
| College | Years 11 and 12 | The ACT mathematics course a student is enrolled in |
| Adults | To 67 | University bridging and workplace maths |
For national tests see NAPLAN numeracy practice, and for competitions the Australian Mathematics Competition page or Mathematical Olympiad preparation.
This page covers everyday maths learning in Canberra.
High school students heading into college maths, college students who want more confidence, and adults returning to study.
Each starts with a free lesson that shows us where they are.
Senior maths in the ACT
The ACT's senior secondary board did not answer our request for its pages, so we use the university's own wording. ANU's 2026 Bachelor of Science page lists ACT courses as assumed knowledge for its first-year maths units.
| ACT course | How ANU uses it | In general terms |
|---|---|---|
| Mathematical Methods (major) | Assumed knowledge for MATH1003 and MATH1005 | Functions, calculus and statistics |
| Further Mathematics | Listed beside Methods for MATH1003 | Applied and broader topics |
| Specialist Methods | Listed beside Methods for MATH1003 | Methods-level content with extension |
| Specialist Mathematics major and minor | Satisfactory pass expected for MATH1013 | Vectors, complex numbers and further calculus |
| Specialist Mathematics double major | Referred to for MATH1115 | The most demanding senior maths |
ANU lists NSW HSC Mathematics Advanced alongside the ACT Methods courses, and Mathematics Extension 1 alongside Specialist. Students who move between the two systems can use our HSC Maths Advanced page as a comparison.
A tutor who knows both helps families who cross the border.
Clear teaching, steady practice and good exam habits. No promised grades, scores or ATAR, and assessed college work stays the student's own.
Course choice is a conversation; we help students make it with good information.
Source: Australian National University, Bachelor of Science, Programs and Courses 2026, read 13 October 2026.
A Canberra worked example
Through any three points that are not in a line there passes exactly one circle. Its radius, the circumradius, takes a few lines of algebra. We used it on State Circle, and compared it with a fit to every mapped point.
OpenStreetMap draws State Circle as 92 short pieces of road with 430 points between them. A least-squares fit, which finds the circle closest to all the points at once, gives a radius of 470.4 metres; individual points sit between 461.1 and 478.3 metres from its centre. Then we did what a student with a ruler would do: chose three points, found the circle through them, and repeated the exercise with different choices.
| Method | Radius (metres) | Comment |
|---|---|---|
| Fit to all 430 points | 470.4 | The reference value |
| Three points about 120 degrees apart, first choice | 471.2 | Close to the fit |
| Three points about 120 degrees apart, second choice | 466.9 | Close to the fit |
| Three points about 120 degrees apart, third choice | 469.1 | Close to the fit |
| Three points about 120 degrees apart, fourth choice | 468.4 | Close to the fit |
| Three points within a 40 degree arc | 619.4 | Far too large |
Three points spread around the circle gave radii from 466.9 to 471.2 metres, within a few metres of the full fit. For this road, the simple three-point method is as good as fitting hundreds of points.
Three points on a short arc nearly lie on a straight line, and a straight line is a circle of infinite radius. Small bumps in the mapped road then swing the answer to 619.4 metres.
Adding every mapped piece gives 5930.3 metres, about twice 2πr = 2955.5 metres, because the map draws each direction of traffic as its own line.
Perpendicular bisectors, the circumcircle, distance between points, circumference, and the idea that a measurement method can be sound or fragile depending on how it is used.
High school students construct the circle with a compass on a printed map; college students derive the circumradius algebraically.
The map shows road centrelines, not a surveyed circle, so the radius describes the mapped road. We make no claim about how the road was designed.
Map data: OpenStreetMap contributors, ODbL.
| Approach | How it works | Year level |
|---|---|---|
| Compass and ruler | Draw the perpendicular bisector of two chords; they cross at the centre | Years 7 to 9 |
| Coordinates | Write each bisector as a line equation and solve the pair simultaneously | Years 9 and 10 |
| Formula | Use the circumradius formula: product of the three sides over four times the area | Years 11 and 12 |
All three give the same centre when the arithmetic is exact. The compass version is the one most students remember, because they can see why it works: every point on a chord's perpendicular bisector is the same distance from both ends of the chord, so the point on two such bisectors is the same distance from all three points. Once that idea is secure, the algebra stops being a recipe and becomes a description of a picture the student already understands.
Data: OpenStreetMap, State Circle ways, one Overpass query on 13 October 2026; fits and circumradii are our calculation.
Canberra learners
One figure stands out: nearly a quarter of people attending an educational institution in the ACT were at university.
| Measure | People |
|---|---|
| Attending primary school | 38,251 |
| Attending secondary school | 27,930 |
| Attending vocational education, including TAFE | 11,821 |
| Attending university or other higher education | 36,225 (24.6%) |
| Highest level Year 12 | 60,478 (16.3%) |
| Highest level Year 10 | 22,725 |
| Highest level Certificate III | 27,849 |
| Highest level Advanced Diploma or Diploma | 34,370 |
With 24.6% of people in education attending university, many Canberra households include someone taking a first-year maths or statistics unit. Bridging and first-year support is a common request.
Figures are shown as published; we do not add rows together.
The Canberra Mathematical Association describes itself as "together in building a strong community of teachers driving a rich and diverse experience of mathematics in the ACT and surrounding region", and runs workshops such as one for primary teachers on fractions with a professor from the ANU Mathematical Sciences Institute.
Tutoring sits alongside that school teaching.
Sources, read 13 October 2026: ABS, 2021 Census QuickStats, Australian Capital Territory, CC BY 4.0; Canberra Mathematical Association.
Online in Canberra time
Canberra follows eastern Australian time with daylight saving from October to April, four and a half hours ahead of India in winter and five and a half in summer. Bookings are always in Canberra time.
One learner with one teacher, for a specific course, unit or gap.
Fifteen to twenty learners working on the same material, often from several states.
Each student's working appears on a common digital board, so mistakes are caught at the point they begin.
College students often prefer evening lessons once their own classes finish; university students sometimes book a short block before a first-year exam. Both fit comfortably into the Indian working day.
Progress
Learners join at the rung that fits.
| Usually | Rung | Ready to climb when |
|---|---|---|
| First years to Year 2 | 1. Counting | They count on from a number instead of from one |
| Years 3 to 6 | 2. Shape | They measure and compare lengths and angles accurately |
| Years 7 to 10 | 3. Construction | They build a figure from rules, such as a circle through three points |
| Years 11 and 12 | 4. Proof | They show why a construction must work, not just that it does |
The step from Year 10 to a college maths course is large. We check algebra and functions before it.
A term of preparation is usually enough.
Students starting at university often need calculus confidence fast.
We focus on the units they are taking.
All courses
International course titles taught to ACT stages and courses.
CBR / P1
Number with hands-on materials.
Open the syllabusCBR / P2
Every primary strand.
Open the syllabusCBR / P3
Mental calculation, step by step.
Open the syllabusCBR / S1
Geometry and algebra.
Open the syllabusCBR / S2
For keen problem solvers.
Open the syllabusCBR / S3
Geometry you can program.
Open the syllabusCBR / H1
Derivatives and integrals.
Open the syllabusCBR / H2
For students taking the IB Diploma.
Open the syllabusCBR / H3
Linear algebra and more.
Open the syllabusScheduling
We arrange times in Canberra time and take care of the October and April clock changes.
After school
Primary and high school.
Evenings
College students and adults.
Weekends
Unhurried longer lessons.
One teacher, week after week.
What was covered and what is next.
Fifteen to twenty learners.
Real shapes from the city plan.
For one course or deadline.
Ideas before drills.
Student work
Things students made after the number work clicked. Browse the student labs for more.

AI and ML
An AI nutrition coach that reads what you eat and works you toward a target.

AI and ML
A chatbot that answers mathematics and programming questions, built and deployed by a student.

AI and ML
An assistant that helps a young person recognise unsafe situations online.

Web app
A weather forecasting site with live conditions for any location.
Fees
Canberra families are charged a flat monthly fee in US dollars; there is nothing to pay to join and no minimum period.
Group batch
USD 100
a month, billed in US dollars
One to one
USD 150
a month, billed in US dollars
What families say
Google reviews, quoted as families wrote them.
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Canberra maths questions
By finding what a learner has missed, teaching it clearly and building confidence through practice, in live online lessons on Canberra time, privately or in small groups.
Mathematical Methods, Specialist Methods, Specialist Mathematics and Further Mathematics, the ACT courses named on ANU's 2026 Bachelor of Science page.
The radius of the one circle that passes through three given points. For State Circle, three well-spread points give a radius of about 470 metres.
Points on a short arc are nearly in a straight line, so tiny bumps in the mapped road change the circle a lot. Spreading the points fixes it.
No. We teach thoroughly but make no grade, score or ATAR promises.
Yes, with first-year maths and statistics concepts, never with assessed work.
Yes, including daylight saving changes.
The first lesson is free. Monthly fees are shown in the fees section of this page.
More for Canberra
Tests, competitions and costs.
Practice for Years 3 to 9.
Problems by year.
For the strongest students.
The NSW comparison course.
Curriculum help.
Prices explained.
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Leave your details and a time to ring. The first session is a genuine lesson, followed by a straightforward recommendation.
Want to know more first? Read about our teaching or online maths tutoring in Australia.
WhatsApp us · +91 91233 66161 · connect@modernagecoders.com
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