## Tuesday, February 9, 2016

### Celebrating e-Week in the Math Classroom

Although it may not be as well known as Pi, e is also an irrational number that is roughly equivalent to 2.7.

The first few digits are: 2.7182818284590452353602874713527. It's decimal expansion never terminates.

So the week of February 7 is the logical time to celebrate e in all its variations.

Your students may have used e in exponential and logarithmic functions.

It is an expression that is used in the study of compound interest. It is often called Euler's number after Leonhard Euler, who proved that e is an irrational number.

The number e is a mathematical constant.

Let your class have fun celebrating e-Week with egg-shaped candy, enchiladas, edible snacks, effervescent drinks, etc.

You may want to have your students read the poetry of ee cummings or Edgar Allen Poe, watch a clip from the E! Network or ESPN, read an e-book, do some of their work on electronic devices, listen to music with earbuds, do some math problems that use e or 8 or any number that begins with "e."

Let your students email a math problem to a classmate, create an elaborate story problem, do some Excel Math Stretches (brainteasers from your Teacher Edition), or do anything else you can think of that relates to e!

Your students could find the dimensions of the Eiffel Tower, use an encyclopedia (electronic or hard copy), discover some fun math facts about the earth or England, play a game of crazy eights, dress up in clothes from the 80s, and find cookie recipes with and without eggs.

Then let your students write as many math problems as they can with the numbers 8, 11, 80 - 89, or any numbers that contain the letter "e".

Challenge them to solve problems with exponents, add a list of eight (or eleven) numbers and then do it again keeping track of their best time.

Have your students write a note of encouragement to one of their favorite teachers or to their parents. Use the comment box below to share your e-Week activities. Have fun!
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