Thursday, October 28, 2010

SCRIBE 1


SHOW YOU KNOW (page 82)
Write the prime factorization of each number. Which number is not a perfect square?
Explain how you know.

PRIME FACTORIZATION- a number written as the product of its prime factors.

45 is not a perfect square because it has an odd number of factors of 3 and 5.


TEXTBOOK QUESTIONS 1, 5, 10, and 16. (page 85 and 86)

1. Explain how to square the number 7.
answer:
To square number 7, multiply it to itself. Then you'll get 49.
7 x 7 = 49.

5. a) Determine the prime factorization of 4.
b) Is 4 a perfect square? Explain.
c) Draw the square and label it's side length.

answer:
a.)





b.)Yes, 2 appeared two times. If you multiply 2 to itself, you'll get 4.
c.)




10. Determine the area of a square with each side length.
a) 20
b) 17

answer:
a) 20 cm x 20 cm = 400 square units
b) 17 cm x 17 cm = 289 square units

15. EVALUATE.
a.) `square root 9
b.) `square root 25
c.) `square root 1600

answer:
a.) The square root of 9 is 3.
3 x 3 = 9 / 3 multiply by itself, you'll get 9.

b.) The square root of 25 is 5.
5 x 5 = 25 / 5 multiply by itself, you'll get 25.

c.) the square root of 1600 is 40.
40 x 40 = 1600 / 40 multiply by itself, you'll get 1600.

HERE ARE SOME VIDEOS TO HELP YOU:





HERE ARE SOME GAMING SITES YOU MAY WANT TO CHECK OUT:



LINKS:


Karen's Square Root Scribepost

2.) How would you find use prime factorization to determine the square root of 225.
What I did is first I look at the perfect square chart that we made then I saw that 225 is a perfect square then I saw that the square root is 15. Then so I made this.



6.) a.) The prime factorization of 64 is 2x2x2x2x2x2


b.) 64 is a perfect square because the first pair of numbers are the same.
c.)





11.) The square of 9 is 81 because if you multiply 9 and 9 the answer will be 81.
b.) the square of 11 is 121 because if you multiply 11 and 11 the answer will be 121.

15.) a.) 7



b.) 8



c.)

Here is a video if you want to understand it more.

Wednesday, October 27, 2010

Justin Lorenzo's Sesame Street Video

My Group Members:
Me, Robin Apuya, Christopher Reyes


Part 1):
Two term ratio: Compares 2 quantities measured in the same units.
(eg. a:b)


Three term ratio
: Compares 3 quantities measured in the same units.
(eg. a:b:c)


Part to part ratio
: Compares different parts of a group to each other.
(eg. 1:3, c:d)


Part to whole ratio
: Compares one part of the group to the whole group. It can be written as a fraction, decimal and a percent.
(eg. a:all letters, 5:10)


Rate: Compares 2 quantities measured in different units.
(eg. 5m/3s)


Unit rate
: A rate where the second term is 1.
(eg. 3km/1hr)


Unit price
: A rate used when you are shopping.
(eg. $2/100g)


Proportional Reasoning: A relationship that says that 2 rates or ratios are equal. It can be written in fraction form.
(eg. 1/2 = 2/4)



Part 2):
The original video was from Youtube. It is called "Sesame Street: Wanna Buy An Eight Earnie?





This is our remake video of "Wanna Buy An Eight Earnie?"


Find Factorization

M,I, square factorization


√213 = 14._

√25 = 5

√72 = 8._

√850 = 29._

H.W.

On the long white sheet, finish the decimal square root and the fraction square root from numbers 1 - 25

Diorella's Sesame Street Video

Group Members:
Marie and I

Part 1:
Two term ratio: Compares 2 quantities measured in the same units. (eg. c:d)
Three term ratio: Compares 3 quantities measured in the same units. (eg. c:d:e)
Part to part ratio: Compares different parts of a group to each other. (eg. 2:4, c:d)
Part to whole ratio: Compares one part of the group to the whole group. It can be written as a fraction, decimal and percent. (eg. c:all letters, 10:21)

Rate: Compares 2 quantities measured in different units. (eg. 1meter/6s)
Unit rate: A rate where the second term is 1. (eg. 5km/1hr)
Unit price: A rate used when shopping. (eg. $3/100g)

Proportional Reasoning: A relationship that says that 2 rates or ratios are equal. It can be written in fraction form. (eg. 3/4 = 6/8 )


Part 2:
The original video is called, "Sesame Street: Pretend Teeth"



This video is about Abby and Elmo teaching everyone how to brush their teeth.


Part 3:
We did a remake on, "Sesame Street: Pretend Teeth"


Our video is about proportional reasoning and rates, and different kinds of examples.

Mike's Sesame Street Video


Tuesday, October 26, 2010

Demvry's Sesame Street Video

Group Members: Demvry, Nino

Part 1:

Two term ratio : Compares 2 quantities measured in the same units. (a:b)
Three term ratio : Compares 3 quantities measured in the same units. (a:b:c)
Part to part ratio : Compares different parts of a group to each other. (a:b, 2:5)
Part to whole ratio : Compares one part of the group to the whole group. It can be written as a fraction, decimal, & percent. (b:all letters, 5:8)
Rate; Compares 2 quantities measured in different units (2km/2hr)
Propertion reasoning : A relationship that says that 2 rates or ratios are equal. It can be written in fraction form. (2/3 = 6/9. (x3)
)

Part 2:
The Original Video:
The Martians Discover a Book

Remake:
The Martians and The Math Book