Monday, February 26, 2007

The Great Fraction UN-project

A Fraction Unassignment.

You need to choose one of three topics.

1. What are Fractons
2. Adding and Subtracting Fractions
3. Multiplying and Dividing Fractions

You must become and expert in your topic. If I was an alien and you had to teach me everything about your topic how would you do it?

You have to be convincing and know your topic.

You must use different tools from studentblogwikitools.

Some presentation options are the following;

1. make a game

2. create an online quiz that would be good for reviewing.

3. create a song with lyrics that talk about your subject. If you remember the old sesame street this could be an option for

you will have to record your song and post it to the web.

4. make a screen cast or a set of slides to explain your topic

5. make a movie of you and your friends acting out your topic.

6. create a wiki and post everything that you need to know

7. Choose anything….. just make sure that you are explaining your topic. You must clear your choice of project by me first. Once you have the OK you can get started.

This project can be done alone or with one partner. If you have a partner you are responsible to work as a team. Once you are a group you are stuck with your partner.

Final due date April 5th. This is lots of time and you are expected to do a good job. Do something at the last minute and you will get a mark that reflects this work. This project is worth 10% of your term 3 mark. Do well on this project and you are on the way to getting a great term 3 mark.

Other important dates

* Project has to be chosen March 5
* Progress report 1 March 16
* Progress report 2 March 23
* Final due date April 5

All projects will be published to a wiki. What ever you are creating you need to be prepared to have it put on the web.

Wednesday, February 07, 2007

Cumulative Review Questions

Here are some questions that will prepare you for your test on Friday. Good Luck, be good for Mr. Bartz.

(1) You have a notebook of 23 sheets of paper; and 3 of them are black. A page falls from your notebook; what is the probability is was a black sheet?

(2) The police have cornered this criminal in a small 23 home community. If they have only 46 hours to find him, and they can fully search one house in 2 hours and 23 minutes hours, will they find him?

(3) Zach owns 34 black outfits, and about 5 colored outfits. If he choses his outfit at random, what are the chances that he will select a black outfit on any one day?

(4) What is the Square root of the following numbers. Use your perfect square chart and fractions. Do not use a calculator.
Square Root of 27, 46, 72, 115.

(5) What is 20% of 156?
30 is 29% of what number?
44 is what percent of 62.
55% of 26 is what number?

(6) Jacob has a record of winning
2 boxing matches for every 4 he loses. If he had 49 matches during the last year, how many did he win?

(7) Christina practices figure skating an average of
15 hours per week. Kayla practices figure skating an average of 1.5 hours for every hour Christina practices. How many hours a week does Kayla practice?

8. A child can run 5 blocks in 2 minutes. How long does it take the child to run 8 blocks, at the same speed.

(9) Find the mean median and mode of the following sets of numbers.
  • 2,5,7,8,3,6,4,5,1
  • 12,4,16,22,19,4,
  • 78,45,45,78,60,75
(10.)An ice chest contains 9 cans of apple juice, 8 cans of grape juice, 7 cans of orange juice, and 5 cans of pineapple juice. Suppose you reach into the container and randomly select a can. What is the probability that you will pull a,
  • apple Juice
  • Grape Juice
  • pineapple or orange juice

(11)Is taking 10% off a given item and then an additional 40% off the reduced price the same as taking 50% off the original price? Why or why not.

(12) Dave interviewed a number of students in his school regarding their favorite ice cream. Dave claimed that exactly 40% of the 37 students interviewed liked vanilla the best. Is it possible to determine whether David's claim is correct? Why or why not?

Monday, February 05, 2007

Pretest Questions

Here are some questions to prepare you for your test. Good luck. Do not forget to do your blogging on blogging.

Math Fundamentals
Proportion Word Problems
1. If 6 pounds of apples cost $9, then how much would 21 pounds of apples cost?

2. If $24 worth of fertilizer covers 5,000 square feet, then how much would it cost to cover 30,000 square feet?

3. If a chain link fence costs $180 for 20 feet installed, how much would it cost to install 300 feet?

4. The scale on a map is 1 inch equals 5 feet. What is the distance between two points on the map thatare 8 1/2 inches apart on the map?

5. A $4 sales tax is charged for a $50 purchase. At this rate, what is the sales tax for a $1200 purchase?

6. A store makes a profit of $15,000 for every 300 coats that they sell. If they make a profit of
$25,000, how many coats did they sell

7. David read 40 pages of a book in 50 minutes. How many pages should he be able to read in 80

8. Audio Jeannie takes inventory of her closet and discovers that she has 8 shirts for every 5 pair ofjeans. If she has 40 shirts, how many pairs of jeans does she have?

9. Jim found out that after working for 9 months he had earned 6 days of vacation time. How manydays will he have earned after working for two years?

10 Zachary and Christian have different math teachers at school. Zachary said to his friend
� Christian, I have more of my homework done than you. I did eighteen out of thirty-four problems so � � � far. Christian disagreed saying, No way! I already did _____ out of forty-eight! Assuming Christian was correct, at least how many problems must he have done to have completed a greater percentage of his assigned homework?

11. Timothy has just started his collection of plastic cars and obtained twenty-three new plastic cars. Isaac has fifty-six old plastic cars. Aaron has one hundred one old plastic cars. If all their collections were combined, what would be the ratio of old plastic cars to new plastic cars? Reduce your answer to a ratio of the form X:1 and round X to the nearest tenth.

12. Mr. Quirk had approximately 58% of the tests graded. (a) Written as a fraction with twenty-six as a denominator, approximately what fraction of the tests did he have graded? (b) What was the approximate graded test:ungraded test ratio?

13. Which is bigger, a third of 36 or one-fourth of 96?

14. It was recently estimated by the Extraterrestrial Alien Monitoring Agency, that unregistered extraterrestrials outnumber registered ones by about seven-to-five. If there are a total of 2,280 extraterrestrials, about how many of them are registered?

15. Smallville had a great football team last year. They outperformed their opponents in almost every category of play. One of their more impressive statistics was that, on average, they outscored their opponents by 3:1 in every game they played. If they scored an average of 18 points per game, what was the average number of points scored by their opponents per game?

Proportion Word Problems
16. If it takes 1 cup of flour to make 6 cookies, how many cookies can you make with 6
cups of flour?

17. If 3 apples cost 29¢, how much do 45 apples cost?

18. Callie asks her fellow sixth-grade students to name their favorite flavor of ice
cream. She finds that 3 out of every 8 students prefer strawberry to vanilla. If there are
160 students, how many prefer strawberry?

19. Alejandro and Skylar went deep-sea fishing. They discovered that 4 out of every 5
fish they caught were flounder. If they caught 40 fish, how many were flounder?

20. The sixth grade class is selling pencils. They are putting a ratio of 2 red pencils for
every 3 blue pencils in a bag. If the students have 100 red pencils, how many blue
pencils do they need?

Sunday, February 04, 2007

Assessment week

February 5th to 9th is assessment week. You could call it your mini exam week. Will have a quiz on Monday, Unit test on Wednesday and a Cumulative Test on Friday. All Material for the first 2 assessments can be found in your Blue Booklet, and House Unit.

The previous posts will also help you ace your tests.

You need to complete a blog post called Blogging on Blogging. Mr K's students call them BOB's. Click on the link to see how to create a BOB. You need to tell me what you understood in the Proportion unit and what you did not understand in the proportion unit. The BOB will be worth 4 Marks on your test. By doing it you have completed a test question!!

The cumulative test will cover everything we have done since the beginning of the year. You can use the blog to help you study.