Video Tutorials

# Template

This template is the first in the series inspired by Pr. Chris Tisdell. Integrated is a large, 25mm radius TGT (Tisdell’s Geometry Tool) with a matching radius arc sector and Neusis straight edge.

Constructor 1

## Chris Tisdell Video Tutorials

Introducing the Mathomat Constructor 1 Template videos. Discover the magic of geometry with just a short ruler. Get your Mathomat Constructor 1 Template and start mastering geometry today.

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### Forbidden Construction - Trisect a Angle

Learning Geometry with a Circle Arc Template

Here you will learn how to use the circle arc template and Neusis straightedge in the Constructor 1 geometry template to trisect an angle.

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### How to Inscribe an Equilateral Triangle in any Given Circle

Learning Geometry with a Circle Arc Template

In this video you will learn how to use the circle arc template and Neusis straightedge to inscribe an equilateral triangle in any circle.

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### How to Inscribe an Equilateral Triangle in any Circle

Learning Geometry with a Circle Arc Template

Explore the classic problem of inscribing an equilateral triangle within a circle using Chris Tisdell's geometry tool in the Mathomat template.

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### How to Inscribe a Square in any Circle

Learning Geometry with a Circle Arc Template

How to use the circle arc template and Neusis straightedge to inscribe a square in a circle. Without a compass!

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### How to Inscribe a Hexagon in any Circle

Learning Geometry with a Circle Arc Template

How to use the circle arc template and Neusis straightedge to inscribe a hexagon in a circle. Without a compass!

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### How to Inscribe a Pentagon in any Circle

Learning Geometry with a Circle Arc Template

How to use the circle arc template and Neusis straightedge to inscribe a pentagon in a circle. Without a compass!

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### How to Inscribe a Octogon in any Circle

Learning Geometry with a Circle Arc Template

How to use the circle arc template and Neusis straightedge to inscribe an octagon in a circle. Without a compass!

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### How to Find the Center of any Circle

Learning Geometry with a Circle Arc Template

How to use the circle arc template and Neusis straightedge to find the center of any circle. Without a compass!

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### How to Construct Rational Numbers

Learning Geometry with a Circle Arc Template

In this video you will learn how to use the circle arc template and Neusis straightedge to construct rational numbers.

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### How to Construct Whole Numbers

Learning Geometry with a Circle Arc Template

How to use the circle arc template and Neusis straightedge to construct whole numbers. The easiest construction ever!

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### How to Cut Off a Given Length from a Given Line Segment

Learning Geometry with a Circle Arc Template

In this video you will learn how to use the Constructor 1 template to cut off a given length from a given line segment.

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### Lesson Plans

#### Learn to teach maths with Mathomat

Get a glimpse of the tremendous potential for using Mathomat as an aid to teaching mathematics.

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### Video Tutorials

#### Watch and learn from Pr. Chris Tisdell

Using a series of Mathomat products and templates, learn maths and geometry with Pr. Chris Tisdell.

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### Online Store

#### Visit the official Mathomat store

Purchase official Mathomat templates, booklets and teaching resources for your child or classroom.

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#### Achievements that utilize Mathomat

Read through some interesting studies and research that make use of Mathomat templates.

Online Store

### Purchase some of our most popular products from the official Mathomat online store

#### Finding Hidden Angles, a Mathomat Adventure

##### V7 template with 48 page student book
Template
\$
19.95
Use Mathomat with the finding hidden angles student book. Gain insight into the geometry of the world by understanding angle. Build confidence with maths.

#### Mathomat V7 Builder Pack

##### with 96 page student manual
Template
\$
19.95
The Mathomat V7 template with an illustrated manual of investigations that familiarise students with the use of Mathomat for creative drawing.

#### Mathomat V7 Explorer Pack

##### Template & 72 page student manual
Template
\$
19.95
The Mathomat V7 geometry template with 72 page illustrated student manual and MAC guide by Juliet Snape. Illustrated contexts for student directed learning.

#### Geometry & Beyond

##### with Mathomat
Publication
\$
24.95
A series of lessons for secondary school which make use of available classroom materials, such as the Mathomat template and geometry software.

#### Maths with Mathomat

##### Lesson Plans Years 4-9 & Beyond
Publication
\$
24.95
A series of comprehensive lesson plans developed to give teachers a glimpse of the potential for using Mathomat as an aid in the teaching of mathematics.

#### Text Book & Units of Work

##### with Mathomat
Publication
\$
24.95
This 116 page book of investigations with Mathomat reveal the passion for teaching of Craig Young, the designer of the original Mathomat.