Girls as Good at Math as Boys : Discovery News : Discovery Channel

Girls as Good at Math as Boys : Discovery News : Discovery Channel

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Today’s Problem: Mystery Set

A set of five numbers have the following properties:

The mode of the set is 0 and 4.
The median of the set is 4.
The mean of the set is 4.

What are the five numbers in the set?

Today’s Problem: Seychelles Flag

Seychelles Flag

Seychelles Flag

Find the area of each section of the Seychelles flag.

The flag is x inches tall by 2x inches wide. The top edge is divided into 3 equal lengths. The right edge is divided into 3 equal lengths.

Today’s Problem: Cylinder Volume

Take a piece of letter-sized paper and tape the short ends to make a tube. Label this tube A.

Take another piece of letter-sized paper and tape the long ends to make another tube. Label this tube B.

Place each tube on a flat surface, so that they stand up on end.

Using the formula for the volume of a cylinder, find out which tube will hold more stuff (like popcorn or candy)?

Hints:
Letter-sized paper is 8.5 inches wide by 11 inches tall.
To find the radius of each tube, use the circumference formula, C = 2πr

NASA Program Shows Math & Science Can Be Fun

full story @ www.northlandsnewscenter.com

NASA Program Shows Math & Science Can Be Fun
Job opportunities in the science and math-related fields are expected to grow five times faster than other sectors over the next decade.
But the number of students pursuing those types of careers continues to decline.
In response, NASA and Honeywell have developed an inter-active program to get students excited about careers in those fields.

Today’s problem: Simpsons Math

On an episode of The Simpsons, another boy trades 1000 picoliters of his milk for 4 gills of Bart’s milk.

Use this Volume Convertor to see why this was a bad trade for Bart.

Hints
1000 picoliters = 0.001 microliters
Convert 4 gills into microliters.

Today’s Problem: Circle Time

Mr. Sutton’s class sits in a circle, each student spaced equally apart from each other.

If the 4th student sits directly opposite the 13th student, how many students are in Mr. Sutton’s class?

Extension:

If the entire 4th grade at the school sits in a larger circle, how many students are there if the 11th student sits directly opposite the 49th student?

If the entire school sits in a larger circle, how many students are there if the 34th student sits opposite the 76th student?