## Not Knowing Math Can Cost $15,000

May 20, 2018 Leave a comment

A big number of people can lack basic math skills.

Math and Logic Puzzles

May 20, 2018 Leave a comment

A big number of people can lack basic math skills.

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November 1, 2017 Leave a comment

How to explain the most complex ideas in simple terms?

Four steps of the Feynman technique are

- Write down everything new you learn about a subject in a notebook.
- Pretend to teach the topic in a classroom. Try to explain in a simple way.
- Go back to the books when you get stuck.
- Simplify and use analogies that everybody knows and understands.

“There is no better way to learn than to teach.” – Benjamin Whichcote

April 16, 2016 Leave a comment

Everybody dreams.

The boy dreams of being an astronaut.

How long does he need to study and work until his dream can become reality?

Which job does not require math?

The photograph courtesy of Roland Sauter

April 10, 2016 Leave a comment

Dan Finkel suggested principles of extraordinary math teaching:

Math can the best of time or the worst of time.

1) Start with a question.

2) Thinking happens only when you have time to struggle.

3) (Teacher), you are not the answer key.

4) Say yes to your students’ ideas.

5) Play!

A marvelous quotation is attributed to the most brilliant scientist of the modern age, Albert Einstein: “Play is the highest form of research.”

November 5, 2015 Leave a comment

What happens once in a minute, twice in a week and once in a year?

I will be X years old in year X^{2}. How old am I?

How many planes of symmetry does a cube have?

“1” costs $10. “20” costs $20. How much does “100” cost?

July 14, 2015 Leave a comment

Teacher’s job is not teaching. Teacher’s job is helping students to learn.

Students learn ( Math ) to be able creating value for others in the future.