mathematics

Mary Kay Stein

Mary Kay Stein 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 Mary Kay Stein rather than just read about it. In short: Mary Kay Stein is an American mathematics educator who works as a professor of learning sciences and policy and as the associate director and former director of the Learning Research and Development Center at the University of Pittsburgh. Education and career Stein graduated from Pennsylvania State University in 1975, with a bachelor's degree in rehabilitation education.

Key takeaways

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

Reference excerpt

Mary Kay Stein is an American mathematics educator who works as a professor of learning sciences and policy and as the associate director and former director of the Learning Research and Development Center at the University of Pittsburgh.

Education and career Stein graduated from Pennsylvania State University in 1975, with a bachelor's degree in rehabilitation education. She stayed at Penn State for another year to earn a master's degree in counseling, and then became a staff member in the university administration. In 1980 she began her doctoral studies at the University of Pittsburgh, and she completed a Ph.D. in educational psychology there in 1986. She worked as a researcher in the Learning Research and Development Center at the University of Pittsburgh from 1986 to 2010, and became a faculty member in the university's Department of Administrative and Policy Studies in 1995, and was promoted to professor of learning sciences and policy in 2005.

Books Stein is the co-author of:

Improving Instruction in Algebra: Using Cases to Transform Mathematics Teaching and Learning (with Margaret Schwan Smith and Edward A. Silver, Teachers College Press, 2005) Improving Instruction in Geometry and Measurement: Using Cases to Transform Mathematics Teaching and Learning (with Margaret Schwan Smith and Edward A. Silver, Teachers College Press, 2005) Improving Instruction in Rational Numbers and Proportionality: Using Cases to Transform Mathematics Teaching and Learning (with Margaret Schwan Smith and Edward A. Silver, Teachers College Press, 2005) Reform as Learning: School Reform, Organizational Culture, and Community Politics in San Diego (with Lea Hubbard and Hugh Mehan, Routledge, 2006) Implementing Standards-Based Mathematics Instruction: A Casebook for Professional Development (with Margaret Schwan Smith, Marjorie Henningsen, and Edward A. Silver, Teachers College Press and National Council of Teachers of Mathematics, 2000; 2nd ed., 2009) 5 Practices for Orchestrating Productive Mathematics Discussions (with Margaret Schwan Smith, National Council of Teachers of Mathematics, 2011) 5 Practices for Orchestrating Productive Task-based Discussions in Science (with Jennifer L. Cartier, Margaret Schwan Smith, and Danielle K. Ross, National Council of Teachers of Mathematics, 2013)

Recognition In 2014, Stein was recognized as a Fellow by the American Educational Research Association.

References

External links Mary Kay Stein publications indexed by Google Scholar

Worked examples

Example 1 — a first encounter with Mary Kay Stein

Start with the simplest possible case. Write down what Mary Kay Stein 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 Mary Kay Stein 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 Mary Kay Stein 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 Mary Kay Stein

In research: Mary Kay Stein 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 Mary Kay Stein 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: Mary Kay Stein is common in secondary-school and first-year university syllabi. It links to neighbouring topics 20th-century American mathematicians, 20th-century American women mathematicians, 21st-century American mathematicians, so understanding it makes those chapters shorter.
In everyday life: Look for Mary Kay Stein 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.

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How to study Mary Kay Stein in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Mary Kay Stein 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 Mary Kay Stein out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Mary Kay Stein in simple terms?

Why does Mary Kay Stein 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 Mary Kay Stein?

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 Mary Kay Stein.