Monday, February 26, 2007
What i found easy about this unit was to finish the activities in the bluebooklets which were also aobut Proportional Reasoning, but in shapes and numberlines. What i found to be the most difficult was the word problems because they had some complicated stuff. I say this unit in Proportional Reasoning has taught me how to solve alot of problems in muliple ways, which may come in handy in the near future.
Thursday, February 08, 2007
(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?
David is INCORRECT ! 14.8 Students like vanilla ice-cream. It is not possible to determine David's claim you can't have a decimal of a person. View BubbleShare for explanation.
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(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.
-Choose a number you can easily play with... i chose ''100''
-10% off the original price(100) = 90
-My question; what is 40% of 90 = 40 "divide" 100 = 0.4 x 90 = 36
answer: NO, it is not 50% when you do this because you get the 40% of the 90 making it 36.
1.5 (hours for every hour christina practices) x 15(hours per week) = number of hours kayla practiced. In this case, lets say christina practiced for 1 week which equals 15 hours. So... Kayla practices 1.5 hours for every hour christina practices.
1.5 x 15 = 22.5
kayla practices 22.5 hours in one week.
(9) Find the mean, median, and mode of the following sets of numbers.
Mean = Average
Median = Middle
Mode = Most Common
Good luck on our TEST :)
BY: ANDREA T , 8-17
Square Root of 27, 46, 72, 115.
*Note: you may not be able to see the "Gizmos" I don't know why.*
finding the square root of 27 without a calculator. Watch this bubble share.
finding the square root of 46 without a calculator. Watch this bubble share.
finding the square root of 72 without a calculator. Watch this bubble share.
finding the square root of 115 without a calculator. Watch this bubble share.
Hope you have understood my explanations and good luck on your test tomorrow!
Wednesday, February 07, 2007
- - Maxine 8-17
Summitted by J K Rowling(janna)
Tuesday, February 06, 2007
I think the easiest thing i did was the white paper and the hardest was the double the size of the shape.i hope i can pass the test now that i understand how to do the proportions and ratio...
-Boeun S. 8-17-
During this unit, I’ve learned multiple things about proportions and ratios. When we first got the blue booklet, I thought that it would have been difficult to do; the fact that I didn’t understand much about it. As time passed, I’ve learned how to use XKY charts, ratio tables, and equivalent fractions to solve problems. I also found proportions easier than I thought.
What I found easy was trying to complete the shapes in our blue booklet so that it is equivalent to the fraction given. What I found hard was reducing and enlarging the shape (like the one on the quiz) because it confused me a whole lot. This unit has taught me a lot on how to use these strategies to solve some problems in real life.
>>Marielle D. 8-17
And that's the best part. I thought word problems was going to be hard, because some word problems are long. But Mr. H was right, if you can read, then you'll be able to answer the problem. Now, doing word problems became easy, whether in equivalent fractions, ratio tables and XKY forms. But I guess I got used to the 1st way, equivalent fractions. So I often used that one.
BUT, I find the decreasing-increasing-the-original-size part really confusing. And too bad, that is a part of the quiz/test. :'(
In this unit, I learned a lot, and I hope to learn more next term!
`Andrea Tria, 8-17
Camille T. 8-17
Jakes Mangoalie - 8-17
After learning how to use ratio tables, XKY charts, and equivalent fractions to solve problems. I noticed that these questions weren't that hard. I think the more difficult part about proportional reasoning is not knowing which numbers go where and which chart to use. This unit have taught me a lot about how to use these strategies in real life.
Jaymie S. of room 8-17