Thursday, October 28, 2010

Glenesse's Scribe 2

Show You Know pg. 83, pg. 85 Question 2, 6, 11, 15.

Show You Know pg. 83
Question:
Determine the area of a square with a side length of 16mm.

Answer:
We all know that a square has 4 equal sides so you multiply the side length of 16mm by itself.
16x16=256 mm squared
The area of the square that has a side length of 16mm is 256 mm squared.

Page 85
Question:
2)How would you use prime factorization to determine the square root of 225? Compare your answer with a classmate's.

Answer:
So 225 is a perfect square.
After you compare it to your classmate's

Question:
6)A rectangle has an area of 64 m squared
a)Determine the prime factorization of 64.
b)Is 64 a perfect square? Explain.
c)Draw a square with that area and label its side length.

Answer:
a)

b) 64 is a perfect square because the prime factor is 2 and it can be divided into equal parts.
c)

Question:
11)What is the area of a square with each side length?
a) 10
b) 16

Answer:
a) 9 x 9 = 81 unit squared
b) 16 x 16 = 121 unit squared

Question:
15) Evaluate
a) 49 squared
b) 64 squared
c) 625 squared

Answer:
I used a calculator for this question.
a) 49 squared = 7
b) 64 squared = 8
c) 625 squared = 25

Here is a site to help you with prime factorization.





4 comments:

  1. Great video selection and your post was easy to understand.

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  2. Great post Glenesse, I liked that your post had all the information it needed.I also liked your video but next time maybe you should add some colors to make some of the question really pop-out.

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  3. I did add color but it just didn't show I guess but thank you for the comments.

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  4. Great post, Glenesse! I liked everything! I loved your video, your work, and your font size was easy to read and you have all your tags. Good job!

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