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This resource, from the Centre for Innovation in Mathematics Teaching, uses diagrams to illustrate division by a fraction and, to clarify the common misconception identified with this task, prompts students to rethink the statement, divide three by one quarter, as the number of quarters that fit into three....

This Catalyst article explores how many mammal species' bodies are adapted to cope with the great pressures involved as they dive to great depths.

This article is from Catalyst: Secondary Science Review 2011, Volume 22, Issue 2.

Catalyst...

This task is designed to assess how well students understand working with recurring decimals in practical situations.

The task gives students the information that when you calculate 100 ÷ 6 using a calculator, the result is 16. 666666667

They use this information to arrive at answers to a series of...

The first interactive sheet shows fractions where the numerator is 1. The fraction is converted into a decimal by long division and illustrated as the fraction of a circle. The denominator can be altered to be between 1 and 9. The next two sheets also show long division...

This SMILE resource contains two packs of games, investigations, worksheets and practical activities supporting the teaching and learning of division, from simple division problems to converting between fractions and decimals.

Division pack one contains thirteen work cards with activities...

A Catalyst article about people who believe that their health is affected by mobile phone radiation. The World Health Organisation has labelled this condition Idiopathic Environmental Intolerance with attribution to Electromagnetic Fields (IEI-EMF). Idiopathic describes a disease with no known cause. The article...

This set of twelve colourful postcards provides hands on activities which link to the topics of electricity, sound, forces, and changes of state. Ideal for use in the classroom, the mini-investigations are fun to do and get children thinking about the concepts involved. They are also perfect for use in after school...

This series of Marvin and Milo cards have been pulled together for the International Year of Light 2015. They include eight simple experiments that can be performed at home that link in to the theme of light, using: - A torch and a bottle to show total internal reflection - A glass of water to make a lens - Milk...

A Catalyst article about mobile phones. This article looks at the science behind this popular piece of technology, such as the use of radio waves, aerials and cells. The article also explains how mobile phones are able to use short aerials.

This article is from Catalyst: GCSE Science Review 2005, Volume 16,...

In this activity students consider a population growth problem which leads to a power series. The presentation can be used to introduce the topic and use of spreadsheets would enable students to model and draw graphs of the situation.

Produced by the Science Museum, this resource sees students working in groups to explore the issues surrounding genetic testing. Students receive a sealed secret box, that contains a chance card. Opening the box represents taking a genetic test. Students have to decide whether they would want to open the box. In...