mathematics

Kristina Reiss

Kristina Reiss is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Kristina Reiss rather than just read about it. In short: Kristina Reiss (born 1952) is a German mathematics educator. She is professor of mathematics education and Emerita of Excellence at the Technical University of Munich, where she held the Heinz Nixdorf Chair of Mathematics Education from 2009 until 2021.

Key takeaways

Kristina Reiss belongs to mathematics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Kristina Reiss to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Kristina Reiss from memory before moving on to harder problems.

Reference excerpt

Kristina Reiss (born 1952) is a German mathematics educator. She is professor of mathematics education and Emerita of Excellence at the Technical University of Munich, where she held the Heinz Nixdorf Chair of Mathematics Education from 2009 until 2021.

Education and career Reiss studied mathematics beginning in 1971 at Heidelberg University, completing her doctorate (Dr. rer. nat.) there in 1980. Her dissertation, Eine allgemeinere Kennzeichnung der sporadischen einfachen Gruppe von Rudvalis, concerned group theory and was supervised by Zvonimir Janko. She worked as a researcher at the Karlsruhe University of Education from 1980 until 1991, when she became a professor of mathematics at the Stuttgart Technology University of Applied Sciences. She moved in 1992 to the University of Flensburg, in 1997 to the University of Oldenburg, in 2002 to the University of Augsburg, and in 2005 to LMU Munich as a professor of mathematics and computer science education. In 2009, she became Heinz Nixdorf Professor of Mathematics Education at the Technical University of Munich (TUM). Between 2014 and 2021, she has been dean of the TUM School of Education. Kristina Reiss was director of the PISA study in Germany between 2014 and 2021.

Recognition In 2011 Reiss joined Acatech, the German Academy of Science and Engineering.

References

External links Kristina Reiss publications indexed by Google Scholar

Illustrations

Worked examples

Example 1 — a first encounter with Kristina Reiss

Start with the simplest possible case. Write down what Kristina Reiss claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Kristina Reiss before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Kristina Reiss ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Kristina Reiss

In research: Kristina Reiss appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Kristina Reiss in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Kristina Reiss is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1952 births, 20th-century German mathematicians, 21st-century German mathematicians, so understanding it makes those chapters shorter.
In everyday life: Look for Kristina Reiss outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Kristina Reiss” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Kristina Reiss in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Kristina Reiss means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Kristina Reiss out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kristina Reiss in simple terms?

Why does Kristina Reiss matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Kristina Reiss?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Kristina Reiss.