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MMC 15 Second Bursts. A tribute to Richard Rukin and David R. Johnson. How do you spell BRHAMAGUPTA?. However you want. . What is the correct spelling of Brhamagupta ? . This is NOT The Pythagorean Theorem. The sum of the squares of the lengths of the

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MMC 15 Second Bursts

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MMC 15 Second Bursts

A tribute to Richard Rukin and

David R. Johnson

How do you spell BRHAMAGUPTA?

However you want.

What is the correct spelling

of Brhamagupta?

This is NOT The Pythagorean Theorem

The sum of the squares of the lengths of the

legs of a right triangle equals the square

of the length of the hypotenuse of the triangle.

Find the inverse of

The Opposite of x


Here’s an Easy One

  • Write the equation of the line through

  • Find the third term in the expansion of

is a zero of a quadratic function,

Find the other zero

Has a zero at x=5 and another at

The cubic polynomial

Find all other zeros. Write it in simplest form.

The quadratic formula:



have an inverse?

All functions have inverses, by definition

Is the inverse of

a function?


a function?


the graph

of a


The Distributive Property

Which One?

Exponentiation over Multiplication

Multiplication over addition

Exponentiation over addition

Am I Going too Fast For You?

Show Your Work

Show enough work so I can reproduce your results.

Which parabola is “fatter”?

Put into simplest form

An Ellipse has vertices

The Ellipse has foci

Find b

Did Everyone Understand That?

Give them ONE GOOD Problem.

Walk around, watch, listen while they work together on the task.

Seize the Teachable Moment


Time’s Up!

  • About your speaker:

    • Name: John Benson

    • Company: The Center for Elementary Math and Science Education at the University of Chicago

    • Tel: 847-328-8019

    • Email: [email protected]

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