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16 problems, 28 articles, 18 general resources, 34 Lists, 15 from Stage 1, 23 from Stage 2, 42 from Stage 3, 43 from Stage 4, 19 from Stage 5

Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.

These resources provide practice in working with different orders of magnitude, and in measurement and estimation.

Without scale and measurement, science, design and engineering would not exist!

Imagine different shaped vessels being filled. Can you work out what the graphs of the water level should look like?

These articles focus on ways to introduce measurement in the primary classroom.

These articles for primary teachers make links to all areas of the curriculum.

This article for teachers recounts the history of measurement, encouraging it to be used as a spring board for cross-curricular activity.

My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.

Our making caterpillars activity uses clay and dough to introduce measurement. DOWNLOAD HERE

Our making caterpillars activity uses clay and dough to introduce measurement. DOWNLOAD HERE

Articles about mathematics which can help to invigorate your classroom

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

By exploring the concept of scale invariance, find the probability that a random piece of real data begins with a 1.

How does Snow White need to change her value for mean-dwarf-height after a mix-up?

Working on these problems will help you develop a better understanding of ratio, proportion and rates of change.

One of the articles supporting STEM teaching in the classroom.

Analyse these beautiful biological images and attempt to rank them in size order.

This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.

This article tells you all about some early ways of measuring as well as methods of measuring tall objects we can still use today. You can even have a go at some yourself!

These features were published as part of the stemNRICH project.

Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.

Which units would you choose best to fit these situations?

Big numbers, small numbers, calculations - all part of discovering more about the living world.

What do nature's numbers look like? Are they big or small? Can we calculate them precisely, or do we have to work through estimation and approximation? These problems provide a range of contexts to. . . .

In this article, Alan Parr shares his experiences of the motivating effect sport can have on the learning of mathematics.

This article for teachers suggests ways in which dinosaurs can be a great context for discussing measurement.

Resources to accompany Charlie's workshops at the Bromley Schools Collegiate Training Day.

Resources to accompany Charlie's 2013 presentation at PLT Day in Devonport High School for Boys.

The Living World is the section of stemNRICH - secondary designed to enhance the study of the science of living things for ages 11 to 16

Work with numbers big and small to estimate and calulate various quantities in biological contexts.

Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?

The Earth is further from the Sun than Venus, but how much further? Twice as far? Ten times?

Suggestions for worthwhile mathematical activity on the subject of angle measurement for all pupils.

Information about CPD sessions offered by the Secondary NRICH team

Imagine a rectangular tray lying flat on a table. Suppose that a plate lies on the tray and rolls around, in contact with the sides as it rolls. What can we say about the motion?