Showing posts with label scribepost. Show all posts
Showing posts with label scribepost. Show all posts

April 23 2009, Scribepost

Monday, April 27, 2009
Hi you guys! Today is a Sunday, and I'm doing a post for Thursday. Sorry I'm really late. I was caught up, and forgot I had to do a scribe .. Sorry!
We were doing some more fractions today. And the question today was:

Question: Which neighborhood is getting more hardtop than the other? (is there more hardtop in one lot than the other?
How would you convince the people in the two neighborhoods that your conclusion is correct?




I multiplied it like I would when I add two fractions together. Since we're trying to find out which is bigger- 2/5 or 3/4- for the hardtop, I figured it would be easy by finding the common denominator first. A 20 would go into both, so I multiplied 2 by 4 to get 8 and 5 by 4 to get 20. The answer for my first one, was 8/20.


For this one, I multiplied it like I would if I were to add fractions .. again. The answer came out as 15/20. If we compare 8/20 with 15/20- which would be bigger? Obviously 15/20! So, Flatbush has more hardtop space, whereas Carrol Gardens has more playground space.


How would I convince these people? Well, I already showed diagrams, and I think I explained well enough .. :) k, if you don't get it; go to Harbeck's at lunch!
Next scribe .. do I have to pick? Well, if I do have to pick, then I would pick .. RON!


Correction:
I'm sorry. I'm BAD at math, so I got the above answer all wrong! The correction is: You start off with a square that's divided into four, and 3 fourths of it is shaded in. Then, you find out the common denominator! So since the denominator is 20, you divide the square into 20. Since it's now divided, into 5 lines, you shade in 2 parts of it from the 3 fourths that was shaded in. I know this doesn't make sense, I didn't get it either :(





Since this is Flatbush, we divide this one into fifths first, then divide it by 4, into 20. 3 fourths of it is a simplified version of 6/20.










So this means, that FLATBUSH and CARROL GARDENS have equal parking lots!


I think this might help .. o.O

Scribe Post for April 17, 2009

Sunday, April 19, 2009
Hi guys (: THERE'S ONLY 9 MORE DAYS UNTIL THE MUSIC TRIP ! YAAAAY (: Anyways, I'm doing one of the scribes for April 17. I'm going to show you how to do 6 questions from our assignments, and I'm going to the page where it says "Did You Hear About..."


The first question I'm going to do is letter C because it's the first letter of my name! Haha.
Okay so here's the question:
C. 9/10 + 1/2

- First you have to find the common denominator!



















The Second question I'm doing is letter F.
Here's the question:
F. 7/10 - 1/5

- The second step is to multiply the numerator with what you multiplied its denominator with then subtract or add the numerators together.



















The Third question I'm going to do is letter K

Here it is:
K. 9/16 + 15/16
(This question is really easy!)
- The third step is to reduce the fraction if needed.






















The fourth question I'm doing is letter L.
L. 7/10 - 8/15
(I sort of got confused with the subtraction and adding symbols, it's a subtraction question by the way!)
- Review: The first step you have to do is to find the common denominator between the two (or more) denominators. The next step you have to do is to subtract or add the numerators together. And lastly, you have to reduce the fraction if you need to.






















The fifth question I'm doing is letter M.
Here's the question:
M. (7/8 - 1/4) + 1/2

- This question is different from the others because there are brackets. When you have brackets you have to do what's in the first, then whatever is outside the brackets. Remember B.E.D.M.A.S.




















And for my last question I'm doing letter P.

Here I go:

P. A BigBurger has 1/4 pound of meat. A SuperBurger has 1/3 pound of meat. How much more meat is used for the SuperBurger?
P. 1/3 - 1/4

This question is simple, just use the steps I gave you.


I hope that my scribe wasn't that bad, and didn't have a lot of mistakes. Now I have to finish my other homework... So bye! Oh and before I forget, since there are 2 scribes I'm going to chose who's going to the next scribe at school (: bwuahah. ttfn.

Scribe Post for April 17, 2009

Friday, April 17, 2009
Today in class we worked on the 37 questions for homework. Carrie and I chose to be the scribes because we're leaving in ONE WEEK for the MUSIC TRIP! (: I chose six questions on C-42 with the question that says, "Why did the boy sheep plunge off a cliff while chasing the girl sheep?" I hope you guys like my scribe post, my brother helped me with it, props to him! If any of you have any suggestions for improvement or if I made any errors/mistakes on my scribe post, please let me know. Also feel free to comment (:



Hover over this image for part two of the solution.



Hover over this image for part two of the solution.



Scribe Post April 14

Tuesday, April 14, 2009
So im the scribe. Its not going to be very good just going to show some answers to the questions we did earlier. Now here's the first question.
to explain a little. To get from 5 to 15 is you multiply the first numerator and the second denominator. Also to get from 1 to 9 is you divide the second numerator by the first denominator.
Same thing goes for this question
for this one I just switched the improper fraction to a mixed number also known as a mixed fraction containing one whole number and a fraction.
Well that wasn't much of a scribe but I still have other homework to do and I still might not finish. Oh yeah for next scribe i pick Jayzie good luck.

Scribe Post Number Two: April 24th 2009

Okay so today there is two different scribes. I will be doing the fraction word problems. The first one is the easiest one to do.

So the first part is that the theme of these question are that Betty is planning a birthday party for her little brother.

Here is the question and the work:

Just click it to make it bigger if you find it hard to see. Anyways as I put on the page that if you ruined 3/8 of something you need to use the 1/2 for the ice cream in the tub to fix it, right? So then you would have to add what is left of the cake to what you have of the ice cream that could be used to remake it.


I don't get problem number two. The whole hot dog thing. I couldn't turn it into a equation. Which I think is really dumb but what can I do. So to anyone that does know what to do I hope that you make a comment on this Scribe Post and tell us your theory. We would love to hear it.

Anyways onto the last question. I was a bit confused on this one to but I think I get it and if I don't again the whole comment thing. People like to correct their mistake or at least know what they are, thank you very much.

So as you can see I like to do things the hard way but I did simplified it in the end. This one was kind of hard because of the 3 fractions but I did it the way one of my friends suggested. It looks right to me. Anyways that is all I had to do. I hoped it helped you.

Scribe Post for April 13, 2009

Monday, April 13, 2009
Here's my scribe post in a video.





Thanks for reading/watching. The next scribe is going to be ADRIAN. Oh and, don't choose me or Peachy for scribe, because we already have 4 or something, so yeah.. Anyways, hope you understand fractions, and comment if I should change anything.

Scribe Post, March 10, 2009

Tuesday, March 10, 2009
Since Renz forgot to choose a person to do the next scribe, I'll do it. But.. just to tell everyone, I AM ALREADY 2 SCRIBES AHEAD or maybe one. So, please don't pick me to be next and please don't forget to pick someone to do the next scribe!

Today in Math class, we first corrected our homework from yesterday.
To join the perfect square club, you must be a full NUMBER, no decimals. EG: 4x4
If you do not belong to the perfect square club, you are imperfect. You are not a PERFECT sideline number, you are not a full number. You have a demical. EG: 4.5x4.5









After we corrected out homework, Harbeck drew us 4 squares.
Just like this picture v. He then told us to describe it and write down 3 things about each square.
The first square has an area of 1. It is an all perfect square because one is one square unit. The sidelines are 1, and you get this by square rooting the area (1). so, squareroot1 = 1. So, 1x1, and 1 squared. This square is also the smallest square out of all of them, and it also belongs in the perfect square club because the sideline numbers are perfect numbers and don't have decimals.
This second square has an area of 2. It is NOT a perfect square because the square root of 2 is 1.414, which is obviously not a perfect number. So, the square cannot have a perfect sideline either. Squareroot2 = 1.414, 1.414x1.414 and 1.414 squared. This square is between the first and last square. This square would not be able to get into the perfect square club because the sidelines have decimals in them.

The third square has an area of 3. It is NOT a perfect square, because the square root of 3 is 1.732, which again is obviously not a perfect number. so the square cannot have a perfect sideline either. Squareroot3 = 1.732, 1.732x1.732, 1.732 squared. This square is between the first and last square. This square would not be able to get into the perfect square club because the sidelines have decimals in them.


The last square has an area of 4. It is a perfect square because the square root of 4 is 2 which is a perfect number. Squareroot4 = 2, 2x2, 2 squared. This is also the largest square in the whole picture, and it also belongs in the perfect square club because the sideline number is a full number with no decimals.
And lastly, he gave us homework.
HOMEWORK:
Make 9 squares and write down 3 things about them, and explain how they all fit together.
Heres what I think the answers are. (Sorry, It would take too long to draw 30 squares on paint.)
Square 5 - The square has an area of 5. It is not a perfect square because the square root of 5 is 2.236, which is obviously not a perfect number. This square would not belong in the perfect square club because the sideline numbers are not full numbers. (decimals). Squareroot5 = 2.236, 2.236x2.236, 2.235 squared. You can also find the perimeter by adding all the sideline numbers together. 2.236+2.236+2.236+2.236=8.944.
Square 6 - This square has an area of 6. It is not a perfect square once again, because the squareroot of 6 is 2.448, which is obviously not a perfect number. This square would not belong in the perfect square club because the sideline numbers are not full numbers once again. Squareroot6 = 2.448, 2.448x2.448 and 2.448 squared. You can also find the perimeter by adding all the sideline numbers together. 2.448+2.448+2.448+2.448=9.792.
Square 7 - This square has an area of 7. It is not a perfect square because the square root of 7 is 2.645, which is obviously not a perfect number. This square would not belong in the perfect square club because the sideline numbers are not full numbers once again. Squareroot7 = 2.645. 2.645x2.645, and 2.645 squared. You can also find the perimeter of the square by adding all the sidelines of the numbers together. 2.645+2.645+2.645+2.645=10.58
Square 8 - This square has an area of 8. It is not a perfect square because the square root of 8 is 2.828, which is obviously once again not a perfect number. This square would NOT belong in the perfect square club because the sideline numbers are not full numbers. Squareroot8 = 2.828, 2.828x2.828, and 2.828 squared. You can also find the perimeter by adding all the sideline numbers together. 2.828+2.828+2.828+2.828=11.312.
Square 9 - This square has an area of 9. It is a perfect square because the square root of 9 is 3, which is obviously a perfect number. This square would definitely belong in the perfect square club because the sideline numbers are full numbers. Square root 9 = 3, 3x3 and 3 squared. You can also find the perimeter by adding all the sideline numbers together. 3+3+3+3=12.
WELL, there. I don't really understand the last part of the homework, so I'll wait until tomorrow and see. I thought we had to talk about 30 squares! and I did 27, but then that time I checked my books and asked many people. And they all said 9. So, booo me. Anyways, thanks for reading! PLEASE comment. NEXT SCRIBE, I CHOOOOSE..... DEAN.

Scribe Post For February 26, 2009

Thursday, February 26, 2009
Today we worked on our math videos for our Pythagoras blogposts.

These are my videos with Carrie and Krissia.

Part One:


Part Two:




The next scribe is ............. SUTCHAAI ! (: Good luck and have fun doing the next scribe ;)

Scribe Post for February 20

Wednesday, February 25, 2009
Since no one's doing the scribe post for February 20, I'll just do it. It sucks to have an empty Math Blog when the other grade eight classes are filled with work. Geez guys. By looking at 873's scribe for February 20, I remembered what we learned that day. Thank you reNz873!

On February 20, we talked about the Pythagorean Theorem


Triangle
This is the triangle. The sides that make up the 90 degree angle are called legs and are labelled as A AND B. The hypotenuse is the C, and is the longest side of the triangle. You can always find it across from the 90 degree angle. Theta and Beta and the pictures show at the top corner and the bottom corner. The top one is the Theta and the bottom one is the Beta. Theta and Beta equal 90 degrees, which are called complementary angles.



Square
This is a square, all the sides are equal. There are four 90 degree angles in this shape, which equals up to 360 degrees. (4x90=360) You can easily find the area or perimeter of the square if you know the measurement for one side. Example shown in the picture. One side is 5, so we know that all sides equal 5. 5x5, lxw, the area is 25. 5x5=25. Length-5, Width-5.




Pythagorean Theorem
This is the the pythagorean theorem. The first square is 3x3, the second square is 4x4 and the last square is a combination of both squares, 5x5. You get to the last one, by putting the yellow square in the inside of the 5x5 square. It all fits in there, there is a little space left for the 3x3 square. So, you place it on there.

9+16=25
3x3+4x4=5x5



I hope this is what we learned! Sorry if it's not, the 873 one was the one scribe I could find. So, I'm going to pick someone who'll actually do it. Arielle. :) Love you too Arielle.

Scribe Post for Feb.19, 2009.

Sunday, February 22, 2009
Hello you guys! I'm the scribe.. again. I should probably stop volunteering.. haha. Anyways, for my recap of what we did, I made like.. 6 paint pictures. They took me an hour to do, booooo >:( But luckily, i'm finished and I can finally sleep. Um, I hope you like my pictures, I tried making them color coordinated! :D And if they don't help you in any way, then just go to Mr. Harbeck's! He's open every lunch hour, I think. Or unless he kicks out people now. Well, this is a long introduction. Hope you guys will understand, and any mistakes? Comment it please!


This is a right triangle. But what in the world is that circle in the corner, and that huge B? Also, what's that square, what the-? The real question is, what are those letters for?













That circle thing, is called theta. The fancy big B is called beta. Theta and beta, added together equals to a 90 degree angle.















That 90 degree angle is the only one in a right triangle. A right triangle can also be called R.A.T. which means right angled triangle.
















So what are the letters for? A and B are called legs, these legs can ALSO make up a 90 degree angle.

Harbeck told us that B is for 'bottom' or 'base', so it's labeled on the bottom. :)

The C is called a hypotenuse.










What's a hypotenuse?
It's the longest side in every right triangle.

How do you know where it is?
You can always, always, ALWAYS find it across from the right (90 degree) angle.


LET'S MOVE ON ...
TO SQUARES.
When you draw a square, it might not be the perfect square! It may be a rectangle! But if you draw lines on all 4 sides, it will mean that all sides are equal and therefore, has proof that it is a square.
What do the lines mean?
The lines show that all sides are equal. It also shows that since all sides are equal, it is a square and not a rectangle.
4 with an exponent of 2, means 4 squared. Since it is 4 squared, it is 4 doubled. If you draw the measurement of one side of a square, then you can easily find out the area!
But when there are letters, you can only find out AxA and A squared, since there are no numbers to show what the area is.
WELL, during the whole time I was doing this, my foot was asleep 8/ it felt weird. I hope you guys liked my scribe! Okay, some things might've deleted .. and it's not my fault, it's my laptop's fault -_- It's so weird. For next scribe..? Harumph.. I choose Joseph :) Hehe, you sucker.

My Scribe

Wednesday, February 18, 2009
So today we learned lots of stuff.




We learned that without right angles you couldn't slam doors and that R.A.T stood for Right Angle Triangle.


What do you call 2 angles? A complementary Angle.

To make a straight line you must have 180 degrees.


2 angles that have 180 degrees are called Supplementary Angles.


The pythagorian equation is: A2+B2=C2


Here the pictures that Mr.Harbeck

put on the overhead:














































Scribe Post for January 26, 2009

Monday, January 26, 2009
Today in class, we went over some word problems. The word problems that we did, are located on pages 44, 45, and 46 of your purple booklet. In this scribe I will show 3 word problems, and I will explain a little bit of each, so that it makes it easy for you to do.

When you have a word problem, you must answer the word problem with the last sentence from the problem. For example: If the last sentence of a question is "Find the number", then your answer would be "The number is ____". Something like that. There is always numbers in the questions, you just have to find them. Try looking for the variable first, and then the constant. I find it easier for me.

BLUE = The variable in word problem
GREEN = The constant in word problem
RED = The operation (What you're doing to the constant.)
PINK = The answer in word problem
____________________________________

First Question :
Page 44, #15

The sum of eight times a number and fifteen is seven. Find the number.
The number is __
Bring down all of the numbers that you could identify, and this question should look like this.
8n + 15 = 7


The number is -1

REMEMBER - always end your word problem with a sentence solving the question.
For this question, the sentence is right above.


Second Question
Page 45, Letter N


Mo is thinking of a number. Eleven more than one third of the number is -1. Find Mo's number.
n/3 + 11 = -1

Mo's number is -36.

Third Question
Page 45, Letter T

NOTE - Some questions will make it harder for you to find the numbers, but just relax, and take time to find them all.

Mr. Piper's plumbing needed repairs. The plumber charged $98 for parts plus $45 per hour for labor. If the bill totaled $458, how many hours of labor were required?
45h + 98 = 458


8 hours of labor was required.
_____________________________________

Anyways, thanks for reading. And sorry for doing such a bad job, I had to rush most of these.
The next scribe is JAYZIE.
COMMENT!

Jan 21 Scribe Post

Wednesday, January 21, 2009
Today we looked at Subtractive and Multiplicative Two-Step equations. So remember, isolate, cancel using the opposite, balance, cancel using the opposite, and verify. Also, Pizza(the constant), hides in the closet, and gets caught first, then chicken wing (the variable), hides in the bed, and gets caught second. Also, the proper way to use the shortcut is: 
Oh, yeah, and I forgot to show it here, but you need to verify also. For the next scribble I choose Ben, unless he already did one.










Scribe Post January 20, 2009

Tuesday, January 20, 2009
Today in class, Mr.Harbeck gave us a white worksheet to complete. We had to pick two questions for part 1 & 2, and do every question for 3, 4,5. We had to draw algebra tiles to solve the equations. Then add and make sure you read the questions carefully because they don't all ask you to draw algebra tiles, but you do need to VERIFY!

1. Draw balance scales and blocks to represent each equation.



2. Draw algebra tiles to model each equation.



3. Solve each equation.

4. Show whether x=6 is the solution to each equation.


"Thanks for reading my scribe, I choose.. CASEY B"
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