Transum Mathematics specialises in interactive visual aids, online exercises/puzzles and exam-style questions. In addition to that there are some PowerPoint presentations which can be viewed online or downloaded (subscription required) and they are listed below. The main area for teaching aids however is the Shine+Write page which is best accessed via the particular Topic page.

## 3D Trigonometry Presentation

A slide presentation (a poem) introducing using trigonometry (including Pythagoras' Theorem) to find lengths and angles on three dimensional shapes.

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## Code Cracking Presentation

A slide presentation showing techniques for cracking simple codes and ciphers.

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## Dividing in a Ratio

A slide presentation showing how to divide a quantity in a given ratio

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## Exam Tips

Some advice, tips and tricks for a Maths exam presented in the form of a poem for a teacher to share with the class.

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## Fractions Decimals Percentages

Revise the methods for converting fractions to decimals and percentages.

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## Mathematical Catchphrase

Say what you see! Work out the mathematical words from the picture clues.

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## Number Rhyme

A poem about the numbers one to nine. Just for fun can you make up a last line for each verse?

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## Significance

A slide presentation showing how to use the chi-squared test to measure significance.

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## t-Test Revision

A slide presentation designed to revise the key aspects of Student's t-Test.

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## TI-Nspire Essential Skills

Learn a skill a day for 20 days in order to get the most out of this graphic display calculator.

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