Math Plane 

10/23/12

"Knowing your ABC's"

A box contains 10 A's, 20 B's, and 25 C's.

If you randomly choose 3 letters from the box, how many different outcomes are there?  (NOTE: Order does not matter)

ANSWER

10/20/12

"The Greatest"

 Webcomic #55 - "Math Mediator"

Learn more about Ceiling and Floor Functions (and check the answers to the 2 questions):

10/6/12

"Zero"

 Webcomic #53 - "Writer's Block"

(A comic about nothing?)

Interestingly, zero is nothing. But, when you add it to numbers, it makes them much bigger!

1 becomes 10..  35 becomes 305..  And, so on..

The Origin of Zero

My Hero, Zero Lyrics  (Schoolhouse Rock)

__________________________________________



9/27/12

"Volume"

A rectangular tank has length 24 inches, height 20 inches, and depth 15 inches.

After filling half the tank with water, a solid steel ball is placed in the tank, raising the water level from 10 inches to 10.3 inches.

What is the diameter of the solid ball?

SOLUTION

9/22/12

"Sine and Absolute Value Inequality"

Try these 5 graphing questions!

(Click lower right corner to view)

ANSWERS

___________________________________________

9/16/12

"Radii walk-about question"

ANSWER

__________________________________________