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Maths Teaching Professional Development Articles

Professional Development might be a bit of a grandiose title for this section, which consists of a bunch of random articles written over the years by David Ilsley. The articles bear some relation to mathematics education, though not all are terribly serious.

Some of the articles have been published in association journals; some have been used in face-to-face professional development; and some have just been written for lack of anything better to do.

Word and Excel documents need to be downloaded and opened in Word or Excel to display properly.

Title

Format

Summary

Polar Art

pdf

Some artistic polar function graphs

A Mathematician's Glossary of Psychological Disorders

pdf

A bit of a joke

Algebra as the Study of Relations

pdf

The philosophy behind the approach to algebra used in M1Maths.

Bad Language in the Maths Classroom

pdf

A not-too-serious article about the misuse of certain words in maths teaching

Mathematical Quotes

pdf     docx

Quotes about mathematics - some humorous, some more serious.

Avoiding Confusion in Probability

pdf

Teaching programs and textbooks often cause students to develop misconceptions in elementary probability. This article suggests a way to avoid that. The article explains the philosophy behind the approach to probability used in M1Maths.

A Single Area Formula for All 2D Shapes

pdf

A suggestion that students can learn the single area formula A = l x w x f for all 2D shapes

Setting Up a School Orienteering Course

pdf

Some tips on setting up a course

Is 9 a Random Number?

pdf

Some thoughts on what makes numbers random

Numerical Solution of Differential Equations Using Spreadsheets

pdf     xlsx

Using spreadsheets to solve differential equations numerically. The method is analogous to the numerical methods of finding definite integrals, but it can be applied to a much broader range of problems including those which lead to second- and higher-order equations and those which lead to equations in several variables which have to be solved simultaneously. Download the spreadsheet in Excel so it renders properly.

Degrees of Freedom and Constraints

pdf

A useful concept not normally dealt with explicitly in school maths

The Envelope Paradox

pdf

An interesting paradox

The Envelope Paradox - Resolution

pdf

A resolution to the paradox above.

The Unexpected Exam Paradox

pdf

An interesting paradox whose resolution is beyond me

All Whole Numbers Can Be Expressed in Eleven Words or Less

pdf

Another paradox

Fluid Resistance: Proportional to v or to v squared?

pdf

It can be either. An explanation of what determines which is the case in physical situations.

Learning Mensuration Formulae

pdf

A suggetion for making mensuration formulae easier to remember and more difficult to confuse.

Collective Nouns for Teachers

pdf

Little-known collective nouns for groups of teachers

Programming on the TI83 Calculator

pdf

Three sample programs to illustrate the programming potential of graphics calculators

Bad Maths

pdf

Extending Pascal's Triangle to make Pascal's Hexagon.

Finding Angles

pdf

Two methods for finding angles between intersecting lines, one using geomety theorems, one using the idea of bearings

Deviant Polynomials

pdf

A non-standard general form for polynomials can be easier to get one's head around and can make curve sketching more intuitive.

Entropy with Combinations

pdf

Using combinations to get a feel for entropy

The Hairy Dog Theorem

pdf

My favourite mathematical theorem

The Ham and Cheese Sandwich Theorem

pdf

An application of the concept of 'degrees of freedom'

Round Things

pdf

An easy way to remember length, area and volume formulae for circles and spheres

Piracy

pdf

A practical application of complex numbers

Serious Problems 1-10

pdf     docx

Challenging problems that teachers and top-gun students might enjoy

Serious Problems 1-10 - Solutions

pdf     docx

Worked solutions to serious problems

Serious Problems 11-20

pdf     docx

Challenging problems that teachers and top-gun students might enjoy

Serious Problems 11-20 - Solutions

pdf     docx

Worked solutions to serious problems

Serious Problems 21-30

pdf     docx

Challenging problems that teachers and top-gun students might enjoy

Serious Problems 21-30 - Solutions

pdf     docx

Worked solutions to serious problems

Serious Problems 31-34

pdf     docx

Challenging problems that teachers and top-gun students might enjoy

Serious Problems 31-34 - Solutions

pdf     docx

Worked solutions to serious problems

Shifting the Emphasis from Memorising to Thinking

pdf     pptx

Queensland Association of Maths Teachers
Annual Conference 2023 Presentation

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