3-d Geometry

Create a word problem involving surface area and volume of 3-d figures.  First person creates the problem.  Next person solves it.  Then it keeps going...

Simplifying exponents

Create an exponent expression that simplifies to 3^-2.  That means a base of 2 and an exponent of -2.  Remember not to repeat someone elses expression.  Feel free to use the rule for multiplying or dividing like bases to create your expression.

Subtracting rational numbers

Create a subtraction word problem whose answer is -2 1/3. No one can repeat the same problem. But feel free to comment on each others problems.

Can anyone help with this problem?

If you have any questions on homework or classwork or anything else (math related, of course) post it here.

Rational Numbers

For our first blog I would like you to post a number that is rational but is not an integer.  You should also include an explanation of why your number meets this description.