Maths from the Comfort of Your Home!

One advantage of the 2020-21 COVID-19 pandemic is the realisation that online tutoring works!

The Maths Dean uses Zoom for the video-conferencing, plus online whiteboards, graphing apps and more to ensure that the lessons are stimulating and interactive.

Daily Maths Puzzle

Below you will find a maths puzzle that changes daily. It is provided courtesy of the excellent, free site that provides access to thousands of maths competition type questions.

To ‘play’ the puzzle, work out your answer and then click on the letter of your answer (in the grey block). You will be told if you are correct or not, and then can scroll through an explanation as to why the answer is what it is.


Meet the Maths Dean

M.Ed (Maths Education), M.Phil (M&E), B.Sc (Maths major, cum laude)

Garth Spencer-Smith has over two decades of experience in Maths teaching at various top schools, such as the International School of Cape Town (South Africa); Queen Elizabeth Grammar School for Boys (London, UK), St Paul’s College (Windhoek, Namibia), and the Koa Academy (online high school teaching). More than fifteen of these years of teaching have been as Head of Mathematics and teaching International UK curricula (Cambridge and EdExcel), with the remaining years teaching the South African National Curriculum.

Individual & Group Tutoring

Curricula Knowledge & Experience

The Maths Dean provides individual and group maths tutoring sessions to high school students in Grades 7 to 13. 

  • Cambridge International Exams (IGCSE, AS- and A-Levels)
  • National Curriculum for England (GCSE, AS- and A-Levels)
  • South African National Curriculum (CAPS, including IEB)
  • Pearson EdExcel International Exams (IGCSE, AS- and A-Levels)
  • International Baccalaureate diploma (all levels)
  • Australian National Curriculum
  • US Common Core

The Maths Dean is also involved in other education initiatives, such as the project management and/or evaluation of education interventions. See for more information


Find out More

For more information on how I can help you improve your grades and gain confidence, send me a message and I will get back to you.

Case Studies of success

The Maths Dean students have consistently obtained outstanding results.

In one A-Level Maths class at St Paul’s College taught by the Maths Dean, over 80% of the students obtained A or A* grades.

In the two classes of IFY Maths* delivered through Reddam College, 71% of the students taught by the Maths Dean obtained A or A* grades.  

*IFY Maths is an A-Level equivalent.

    Amazing teacher. Even I managed to pass maths,no mean feat, thanks to you! 😊

    Nicola Steer Avatar Nicola Steer
    September 6, 2020

    Garth is without doubt the most inspiring teacher I have ever had. He developed a passion for mathamatics that not only allowed me to ace my A-levels, but that carried... read more

    Grant Raymond Kendal Avatar Grant Raymond Kendal
    September 3, 2020

    Garth was a total life saver! My son was failing Math but once I was put on to Garth, which was about 3 months before Matric exams my son's marks... read more

    Carol Bourgonje Avatar Carol Bourgonje
    February 1, 2023

    Garth is an amazing teacher, who genuinely cares about his students and is exceptional about getting the most out of every student. He also loves maths and that passion is... read more

    Claude Mandy Avatar Claude Mandy
    September 3, 2020

    So increadibly grateful to Garth, The Maths Dean, who has helped our daughter increase her Maths results (massively!) and has sparked passion and enthusiasm for the subject. He is so... read more

    Lisa D'Oliveira Avatar Lisa D'Oliveira
    September 20, 2020

    Garth is an exceptional teacher, a consummate professional. His expertise in maths puts him head and shoulders above the rest, but equally important, his patience, support and encouragement to his... read more

    Stuart Kearsey Avatar Stuart Kearsey
    September 5, 2020

Teacher Training
& Mentoring

Extensive Teacher Training & Mentoring Experience

The Maths Dean is an ideal resource to assist your organization with professional enrichment.

Past Clients (showing location & teaching grade levels):


South Africa: Grades 4 to 6

Aga Khan Foundation

East Africa: Grades 1 to 7

Western Cape Education Department

South Africa: Grades 1 to 7

Northern Cape Education Department

South Africa: Grades 10 to 12

International School of Cape Town

South Africa: AS Level

Valenture Institute (online):

International: Grades 8 to 10

South Africa Education Project

South Africa: Grades 8 to 9

Kelello Consulting

South Africa: Grades R to 3

For a Complete Profile

Drop me a message and I can send you a complete list of my past training and curriculum development experience.

Maths Resource Development

Extensive International Maths Resource Development 

for Grades 1 to 12

Past Clients (showing location & teaching grade levels):

The Koa Academy:

online, Grade 10 to 12 (IEB)

Oxford University Press South Africa:

Lesotho, Grades 10 and 11

The Valenture Institute:

online, Grades 8 to International GCSE

Pearson Education South Africa:

South Africa, N2 and N3 levels, NVC levels 2 to 4


Aga Khan Foundation:

Kenya, Tanzania, Uganda

Grades 1 to 7

Microsoft South Africa:

Grades 10 to 12

Namibian Ministry of Education:

Grades 5 to 10

Ukuqonda Institute:

South Africa, Grades 7 to 9

MacMillan South Africa:

Grades 10 to 11

Don't Struggle with Maths. Let Me Help!