Showing posts with label chapter4. Show all posts
Showing posts with label chapter4. Show all posts

The Great Big book of Algebra

Thursday, December 4, 2008
Chapter One:
Integer Poetry

Adding Integers- Cinquain
Adding
Sum or total
combine,unit or coalesce
numbers are joined together
plus


Subtracting Integers- Haiku
Taking out numbers
decreasing and lowering
never subtract, add


Partitive Division-free verse poetry
fun,educational,source,strategy,method
only to be used in negative and positive
positive and positive
a pattern applied to algebra
a part of arithmetic
for everyday use

Quotative Division- free verse poetry
Quotative Division
more for the same signs
negative and negative
or positive and positive

The Rule of multiplying integers- free verse poetry
To get the product of integers
simply follow this rule
numbers with same signs
get positive product,
while opposites
a negative product


Chapter 2:
Female: Hello! Mr.Math, are you there?

Male: Yeahp!

Female: I need help! My sister is asking me to help her in her algebra homework.
And I don't want to get mistaken.
It is about algebra.

Female: Her homework is about algebra, combining like terms to be exact.

Male: You mean to simplify an expression or an equation using addition and subtraction of the coefficient?

Female: Exactly!

Male: Oh, well, I'm sure I could help you on that. That was my favorite subject in High School.

Female: Really? That's Cool!

Male: Okay, What is your fist question?

Male: The key to using and understanding the method of Combining Like
Terms is to understand like terms and be able to identify when a
pair of terms is a pair of like terms..

Female: How do I know those like terms?

Male: Example : 45y,8y,-25y, y are like terms because each of them consists of a single variable y. Another is:10, 0,-4,-20, is antoher set of like terms because they are all constants, that is without variable.

Female: Ah, I see. Then after I determine the like terms, what do i do?

Male: Well, you perform the mathematical operation like addition and subtraction involve in each of the variables. Remember that you can only combine like terms.

Female: Okay, Now what's next?

Male: Also remember to follow the rules on how to add, subtract, multiply, and divide integers. That's very important.

Female: Oh, yeah I still remember how to perform the mathematical operation in integers,

Male: That's good! Now you know how to combine like terms Do you have another question?

Female: Oh, that's all for now. Thank you very much. That is very clear.

Male: Well you're welcome. Come again, if you need any of my help on any mathematical questions.




CONTINUATION..
(Combining like terms and Distributive Property)

Female: Hi, Mr. Mathinik?

Male: Hello dear, let me guess why you're here. You're here because you have another
mathematical question, right?

Female: You guessed it right!! Well you know, ever since you taught me about combining like terms I got very interested in algebra.

Male: That's good!

Female: Now I want to show you an equation, which I answered. Please tell me if I'm right or wrong.

Male: Okay, what equation?

Female: n + 3 - 5n + 12. My answer is negative 6n plus 15. Am I right?

Male: Hmm, Let's see. As I've told you have to combine like terms first. So, n minus 5n, plus 12 plus 3. If we combine n minus 5n .This is equal to negative four n and then 12 plus 3 is 15. So,the final answer should be negative 4n plus 15.

Female: Isn't it that n minus 5 n is negative six?

Male: Well, no. Remember in subtracting integers you have to change the sign of the subtrahend then proceed to addition. So that should be n plus negative 5 n which is equal to negative four n. They have different signs so then you subtract. and copy the sign of the number with the bigger value.

Female: Oops! My mistake! I must've forgotten.

Male: That's fine, at least I reminded you. Next time do not forget because if you have one small error,everything goes wrong.

Female: Oh, Thank you. I have another one. I hope now I'm right.

Male: Okay, you're welcome. Tell me your equation.

Female: It's 2+4( 3 n + 8), my answer s 12n plus 10.

Male: Hmm, let's see. Did you know that has a Distributive property of multiplication? Did you apply it?

Female: Oh, yeah!

Male: Good! Let's see how you did.

Male: First you distribute four to all the quantities inside the bracket. So, the equation will be 2+4x3n+4x8; This will become 2+12n+32. Now you can combine like terms. Here, there is only one variable n and 2 constants. So it is now 12n+2+32. What do you think should be the final answer?

Female: Is it 12n+34?

Male: That's right. Is it the same as your answer?

Female: Awww,What happened to my addition?

Male: Well, you just need practice!

Female: Yeah, I'll need it and I also need you.

Male: No problem, at least I'm happy to see that you're interested to learn.

Female: Oh, yeah, you inspired me. You're making it so simple for me. Though, I have to have more practice.

Male: I'm flattered.Hahaha.Yes, you need more practice.

Female: Thank you very much. I hope you don't get tired of me asking for help all the time.

Male: No,no,no,no,no,no,no. I don't mind at all. It's my pleasure.

Female: Okay, thank you very much! Bye now! Have a good afternoon.

Male: You too, missy.









My videos:

Link


Combining like terms












math from Eunice Anne on Vimeo.




CHAPTER 4:

The Great Big Book Of Algebra

Wednesday, December 3, 2008
Integer Poetry Chapter 1

Adding Integers (Tanka)

Adding integers
Positive or negative
Makes life easier
When using the h
ave and owe
Or using a number line

Subtracting Integers (Tank
a)

This does not exist
Diminishing integers
What shall happen then?
Negative to positive
And also the sign beside

Partative Division (Free Poetry)

One day as I walked down the street
I was hungry and wanting something to eat
I went to a candy store which wasn't that far
and bought four delicious candy bars.
As I walked out, it was still a nice day
Then all of a sudden, a friend came running my way.
He said "Hey I'm hungry, may I have a piece?"
I agreed and said "I didn't bite it yet at least."
I wondered how to split four into two
My friend said it's simple to do
Just share four into two equals groups
One for me, one for you
In the end my friend and I had two bars each

Is this a lesson you are willing to teach?

Quotative Division (Free Poetry)

Here is a lesson that will be fun
Now let's begin -- the time's not a ton
We'll use the number ten and five
Doesn't this make you feel so alive?
What is one m
ethod that we could use?
Well listen up, you silly goose!
This method is called quotative division
Don't worry! It's not a bad decision!
Here it goes.. are you ready everyone?
How many groups of five can go into ten? Can it be done?
Yes! It can! If you just think!
"What's the answer then?" I say with a wink.
The answer is two! It's two am I not right?
Yes, I am because quotative division doesn't bite!

Pratt's Law (Haiku)

Pratt's Law is vital
Odd makes negative
Even creates positive

Chapter 2: Combining Like Terms and Distributive Property

Amy: Hey Lily! What are you up to?

Lily: Hello, Amy. I'm just doing some homework. We're starting a new unit in math class.

Amy: Oh, I see.

Lily: The last question I was working on was 8x + 7 + 3x +
2. I simplified it to 15x + 5x

Amy: That doesn't seem right. How did you simplify the question?

Lily: Well, 8x + 7 = 15x, and 3x + 2 = 5x. Altogether it's simplified to 15x + 5x.

Amy: You did it wrong. It's because you didn't combine like terms. I'll show you the right way to simplify this. Eight x and 3x are similar because they both have the variable x. 7 and 9 are both similar because they are integers. So 8x + 3x = 11x, and 7 + 2 = 9. Altogether it's simplifie
d into 11x + 9.

Lily: .. Oh, I understand. I wasn't really paying attention in class, that's why. Well here's a question I simplified earlier : 8 + 5 (9 + 4x). Here's h
ow I simplified this question: 8 + 5 = 13. then 9 + 4x = 13x. Altogether it's simplified into 13 + 13x!

Amy: It's incorrect.

Lily: No it's not!

Amy: Yes, it is. You did this question wrong because you didn't answer in the brackets first.

Lily: What?!

Amy: Here, I'll show you the right way to simplify this question. When a number is beside a bracket, you are multiplying. First, multiply 5 by 9. The answer's 45. Then, 5 multiplied by 4x is 20x. Don't be confused if you see a plus sign in front of the 4x! It's just saying that 4x is positive inside the brackets. Then, since 45 is an integer, add 45 to the 8 that was left all alone in the beginning. 45+ 8 = 53. Now since 20x does not have
a partner, the simplified version of this question is 53 + 20x! You're answer was wrong because you didn't answer inside the brackets first.

Lily: Oh! That's how you do it! Thanks a lot Amy!

Amy: You're welcome! Just remember, listen to your teacher in class next time!

See the xtranormal video!


Chapter 3

Additive Type Equation:























Subtractive Type Equation:

























Multiplicative Type Equation:






























D Type Equation:





















Chapter 4



Algebra Tiles Video from Abby Sarao on Vimeo.