A blog about teaching and learning in a maths classroom.

MathsClass This Week 14 July 2013

Sunday, 14 July 2013 | 0 Comments

A new help page on MathsLinks has 6 videos to help you, your staff or colleagues get acquainted with using MathsLinks. The videos total just under 6 minutes and cover signing up, using a link page, sharing from MathsLinks, browsing, submitting a link and getting updates. Ideal for a faculty meeting or staff development day activity.

This week on MathsLinks

Screenshot of Fractions 4 Kids

Fractions 4 Kids 13 Jul 2013

Fractions 4 Kids is a free site, offering loads of materials for kids, teachers and parents. This website breaks down the notion of fractions by offering diverse methods of teaching. There are fraction worksheets, online interactive tests and games of different varieties.

Screenshot of Exploring Fractions - Interactive and Video

Exploring Fractions – Interactive and Video 13 Jul 2013

Interactive - This interactive mathematics resource allows students to explore the pictorial, symbolic, and concrete representations of fractions. Proper and improper fractions, as well as addition, subtraction, multiplication, and division of fractions are also investigated. The resource includes print activities, solutions, learning strategies, and a Smoothie Machine game.

Video - Fractions are explored in this multimedia mathematics resource. A video illustrates how math is used every day in hotels and restaurants. Using an interactive activity, students explore improper, mixed, and equivalent fractions by using measuring cups to obtain a target fraction. A fractions print activity is included.

Screenshot of Worldometers - real time world statistics

Worldometers – real time world statistics 12 Jul 2013

A variety of real-time statistics for the world.

Screenshot of Area of triangles

Area of triangles 12 Jul 2013

An interactive for exploring the area of triangles.

Screenshot of Prime Factor Calculator

Prime Factor Calculator 11 Jul 2013

This web app calculates the number of prime factors each number has (up to 65,536). It then visualises them inspired by Ulam Spirals demonstrated on Numberphile.

Screenshot of Prime Spirals - Numberphile

Prime Spirals – Numberphile 11 Jul 2013

Prime numbers, Ulam Spirals and other cool numbery stuff with Dr James Grime.

Screenshot of Is it ‘Math’ or ‘Maths’? - Numberphile

Is it ‘Math’ or ‘Maths’? – Numberphile 11 Jul 2013 · via Nordin Zuber

An emotional subject for some – we ask a linguist about Math (US-style) and Maths (British-style).

Screenshot of The infinite life of pi

The infinite life of pi 11 Jul 2013

The ratio of a circle's circumference to its diameter is always the same: 3.14159… and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so we'll never figure out its exact value no matter how close we seem to get. Reynaldo Lopes explains pi's vast applications to the study of music, financial models, and even the density of the universe.

Screenshot of Area of a Circle

Area of a Circle 10 Jul 2013

Explore the derivation of the formula for the area of a circle.

Screenshot of Speed and stopping distances

Speed and stopping distances 9 Jul 2013

Some nice graphics to showing statistics on stopping distance and percentage of pedestrian survival based on speed of the vehicle. 

Screenshot of Prime Factors

Prime Factors 8 Jul 2013

A free tool to generate prime factors of a given number.

Screenshot of Freefalling into Extension 2 Mechanics

Freefalling into Extension 2 Mechanics 8 Jul 2013

Teaching ideas for Extension 2 (NSW BOS) Mechanics.

Screenshot of The vertical line test

The vertical line test 7 Jul 2013

Practice problems using the Vertical Line Test for functions.

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Simon Job — eleventh year of teaching maths in a public high school in Western Sydney, Australia.
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