In this resource the mass of a group of objects is given, with the mean matching the number of objects. The mass of a subset of the objects is given, again with the mean mass matching the number of objects. The challenge is to calculate the mean mass of the remaining objects.

Solving the problem requires the...

This resource, produced by SEPNet and Queen Mary University of London, uses Lego to represent the building blocks of matter. Different colour Lego bricks are assigned to different quarks and leptons. The quarks can be put together to make hadrons, such as protons and neutrons. The blocks can also be used to show...

• Describe the difference between energy transferred and power.
• Describe how the power of an electric circuit depends on current through it.
• Explain why the power...

Act 1

A small circle is shown being filled with penny coins...

The Nuffield Foundation provides this resource which reviews the perimeter and area of rectangles and shapes made from rectangles. The activity can be introduced by viewing the slideshow and a student information sheet, which contains the main points is also provided. The activity cards allow students to...

In this SATIS Revisited resource, students examine data, perform a risk assessment, and see how risks are sometimes reported in the media.

This unit focuses on the consumer and considers whether or not we should be concerned about any pesticide residues that may be found on fruit and vegetables. In the first...

A square-based dotted grid is given. An initial investigation involved drawing triangles on the grid and determining the area, number of dots on the perimeter, and number of dots enclosed by...

This resource from Siemens encourages students to think about medical diagnosis and how information can assist the doctor in being effective and accurate. Students are asked to suggest ideas about the characteristics of a useful image to support a medical diagnosis. They then look at the properties of sound, how...

This activity helps learners become aware of the importance of maths in their vocational area and use mathematical language to describe aspects of a job role. Learners may need support to use appropriate mathematical vocabulary and may require a list or glossary of mathematical terms relevant to their vocational...

The number of fish in a tank is given, together with the percentage of the fish that are small. The challenge is to work out the number of the small fish to remove to achieve a lower given...

Act 1

An image is shown of a pizza slice. There are two...

Many topological graphs have edges that cross. The aim is to re-draw the graph in such a way that none of the edges cross. The task informs students they are required to design a printed circuit board and since the wires are not insulated they must not cross.

Planarity: presentation - an...

The poster ‘Plant Pathogens – Identification’ illustrates diagnostic tests that are commonly used to identify plant pathogens in the lab and in the field.

The poster is accompanied by a presentation, which can be used as a step-by-step walkthrough of the ideas in the poster.

The poster ‘Plant Pathogens: Control’ illustrates the many ways that we control plant pathogens, from polyculture farming to controlling the import of plants.The poster is accompanied by a presentation, which can be used as a step-by-step walk-through of the ideas in the poster. Full teaching notes are given,...

Can understanding photosynthesis help save thousands of lives a year?

This poster and accompanying article introduce C3 and C4 photosynthesis in the context of food security and genetic modification.

Rice biologists have a problem. Rice is a staple food for more than half the world’s...