30 July 2025

How to Win at Mini Golf

 Mini golf is 90% fun, 10% trigonometry. Use maths to improve your game


How to Win at Mini Golf – The Maths Behind Angles and Friction

Mini golf: the battleground of family holidays, first dates, and sunny Sunday afternoons. But beneath the windmills and novelty dinosaurs lies a serious secret weapon: maths.

Yes, maths — the quiet champion of the putting green. Because every bounce, bank shot, and hole-in-one is shaped by angles, vectors, and friction.

If you're looking to sink more shots and bring a bit of GCSE or A-Level maths revision into your summer fun, here’s how to mathematically master mini golf.


🎯 1. It’s All About the Angles

At the heart of mini golf is a beautiful bit of geometry:

The angle of incidence equals the angle of reflection.

In other words, if you hit the ball at a 30° angle into the wall, it will bounce off at a 30° angle — assuming no spin and a flat surface.

Understanding this allows you to:

  • Plan indirect shots (bank shots)

  • Bounce around obstacles

  • Predict how the ball will travel after hitting a wall

Try This:
Sketch a triangle showing the path of the ball off a side wall. You’re basically doing angle reasoning with real-world consequences!


🌀 2. Friction: The Silent Opponent

Friction is what slows the ball down — and every surface has its own coefficient of friction.

  • Astro turf: low friction = fast ball

  • Rough carpet: high friction = slower ball

  • Uphill slope: adds resistive force

  • Wet surface: may reduce friction but increase unpredictability

Physics link: Frictional force = coefficient × normal force
More slope = more downward force = more acceleration
So adjust your power accordingly!




🧮 3. Calculating Force and Speed

Want to improve your putting power?

Think in terms of:

  • Distance to hole

  • Surface friction

  • Incline angle

  • Obstacles in the way

You’re estimating the initial velocity required to overcome all resistive forces and land in the cup.

Too hard = overshoot and rebound
Too soft = short of the hole
Just right = the Goldilocks of golf

You can even apply basic kinematics to model it:

s = ut + ½at² — although in mini golf, t is very short and a is largely due to friction or slope.


🔄 4. Geometry in Design and Strategy

Mini golf holes are often based on repeating geometric shapes:

  • Right-angled triangles for banks

  • Semi-circles around obstacles

  • Squares or trapeziums for starting boxes

Observing the layout helps you:

  • Predict paths

  • Choose the shortest shot

  • Identify where the angles are working against you

Some players visualise vector paths — the line from their putter to the target, the force applied, and how it splits after rebounds.


📏 5. A-Level Bonus: Vectors and Energy Transfer

For students working at a higher level:

  • Break down the motion into horizontal and vertical components

  • Consider momentum transfer during rebounds

  • Calculate energy loss due to friction over distance

KE = ½mv² – how much energy do you lose each time the ball hits something?

It’s maths in motion — and suddenly, your putter becomes a physics experiment.


🧠 What Students Can Learn

Mini golf isn’t just a fun afternoon – it’s a revision session in disguise.

From this one game, you can explore:

  • Angle geometry

  • Reflection laws

  • Forces and friction

  • Kinetic energy and velocity

  • Real-life problem solving and estimation

Plus, it’s memorable — much more than a worksheet.


🎓 Learn Maths and Physics Through Real-Life Context

At Philip M Russell Ltd, we specialise in making Maths and Physics meaningful. Whether it's mini golf, rollercoasters, or road trips, we teach GCSE and A-Level topics with real-world examples and practical thinking.


📅 Now enrolling for September
In person or online from our film studio — engaging, hands-on tuition that brings the curriculum to life.
🔗 www.philipmrussell.co.uk

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