Sunday, November 29, 2009

How I stopped an Alien Invasion using Proportion

Story pieces - in blue

Math problems - in red

BREAKING NEWS IT'S A AN ALIEN INVASION!!!!

THE LITTLE GREEN PEOPLE ARE FINALLY TAKING BACK WHAT THEY THINK IS THEIRS!!!
Unless......... I solve three proportion questions correctly they will destroy us all!!!
It's up to me to save you worthless people with my incredible brain power in math!!!!!

2.Your friend missed the lesson on proportions. Explain
how to use a proportion to solve this problem.
Cheryl is selling marbles. What is the cost of seven marbles?

the cost of seven marbles is 245 cents.

The first question is answered correctly and the aliens are getting back into there spaceships.

3. a) Write a proportion based on the following scenario:
Three balls cost \$1.25. What is the cost of 12 balls?

b) Solve the proportion.

The cost of 12 balls is 5\$.

Finally thiers putting away their deadly weapons and preparing for lift off.

19. Determine the missing value in each
equivalent fraction.

I have now saved you all, the aliens have fled.
BOW DOWN!!!!

1. Great post Brianna! I loved it. :)

2. Good Job ! You explained your work really well and you made your own pictures that were really clear .

3. Good job Brianna !

4. good job Brianna ! you made the equation really interesting because of your story. once again good job!