Students headed into finals week need to blow off some steam, so let’s have a little fun with calculus. Hey, Niner, does this look familiar?…

*[10 Steps to Solving a Calculus Problem by hydriapotts.]*

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#
Calculus

## For Niner: A Bit of Calculus Fun

*[10 Steps to Solving a Calculus Problem by hydriapotts.]*
## Math Teachers at Play #24

## Math Teachers at Play #20

## Math Teachers at Play #8

## Free: Calculus Student’s Best Friend

## Math Teachers at Play #5

## Math Teachers at Play #2

## Math Teachers at Play #1

## Rewriting the History of Math

## Secret Message

Students headed into finals week need to blow off some steam, so let’s have a little fun with calculus. Hey, Niner, does this look familiar?…

*[Photo by internets_dairy.]*

Welcome to the ** Math Teachers At Play** blog carnival — which is not just for math teachers! If you like to learn new things and play around with ideas, you are sure to find something of interest. Let’s start the mathematical fun with an arithmetic card game in honor of our 24th edition and a few number puzzles:

*[Photo by shonk.]*

Welcome to the ** Math Teachers At Play** blog carnival — which is not just for math teachers! If you like to learn new things and play around with ideas, you are sure to find something of interest.

Let’s start the mathematical fun with a couple of puzzles in honor of our 20th edition: First, the shape to our right is an ** icosahedron**, one of the Platonic solids. Each face is an equilateral triangle — can you count them? For more fun, make your own model.

*[Photo by jaaron.]*

Welcome to the ** Math Teachers At Play** blog carnival — which is not just for math teachers! We accept entries from anyone who enjoys playing around with math, as long as the topic is relevant to students or teachers of preK-12th grade mathematics.

Some articles were submitted by their authors, other were drawn from the back-log in my blog reader, and I’ve spiced it all up with a few math jokes courtesy of the Mathematical humor collection of Andrej and Elena Cherkaev.

Let the mathematical fun begin…

Considering how many fools can calculate, it is surprising that it should be thought either a difficult or a tedious task for any other fool to learn how to master the same tricks… Being myself a remarkably stupid fellow, I have had to unteach myself the difficulties, and now beg to present to my fellow fools the parts that are not hard. Master these thoroughly, and the rest will follow. What one fool can do, another can.

For years, I have recommended Calculus Made Easy as summer reading (and future reference) for high school or college students headed into a calculus course — and for the parents of those students, who may have studied calculus in ages past and now need to dredge out the dust bunnies of memory so they can help with homework.

The original book (second edition) is now out of copyright and available for free online:

- Calculus Made Easy [pdf, 11.4 MB]

[Hat tip to Sam and Michael for finding the Scribd version, which set me off searching for a clearer copy.]

Want to help your kids learn math? Claim your free 24-page problem-solving booklet, and sign up to hear about new books, revisions, and sales or other promotions.

*[Photo by Alex Kehr.]*

Welcome to the ** Math Teachers At Play** blog carnival — which is not just for math teachers! If you like to learn new things and play around with ideas, you are sure to find something of interest. Let the mathematical fun begin…

*[Photo by Sister72.]*

Welcome to the second **Math Teachers At Play** blog carnival! Some articles were submitted by their authors, other were drawn from the back-log in my blog reader, and I’ve spiced it all up with a few of my favorite quotations.

Let the mathematical fun begin…

*[Photo by StuSeeger.]*

Welcome to the inaugural edition of the **Math Teachers At Play** blog carnival! I hope you enjoy this collection of tips, tidbits, games, and activities for students and teachers of preschool-12th grade mathematics.

For this first carnival, I’ve drawn several recent posts from my blog reader as examples of the types of posts I’d love to include in future editions of **Math Teachers at Play**. I tried to find something for everyone, from multiplication drill for elementary students to advice for understanding high school math equations.

Let the mathematical fun begin…

Here are a couple of quick links to math in the news:

- MathTrek: A Prayer for Archimedes

It turns out Archimedes was even closer to discovering calculus than we had thought.

- Tales of the golem: With many cheerful facts about the square of the hypotenuse

While Pythagoras, on the other hand, sees his place in math history threatened by an experimental disproof of the Pythagorean Theorem. [Hat tip: jd2718.]

Want to help your kids learn math? Claim your free 24-page problem-solving booklet, and sign up to hear about new books, revisions, and sales or other promotions.

My algebra students could stand to hear this, too:

(2)(-4x

^{2})^{n}is not equal to (-8 )^{n}x^{2n}.AAAAAARRRRGGGHH!!!!

From Secret Message to My Calculus Students at Learning Curves blog.

Want to help your kids learn math? Claim your free 24-page problem-solving booklet, and sign up to hear about new books, revisions, and sales or other promotions.