Show You Know- Pg.83:

Determine the area of a square with a side length of 16mm.

Answer: 256mm2

How: I multiplied or squared 16 by itself so it looks like this:

16x2 or 162 =265m2

Page 85 Questions 2, 6, 11, 15

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

You would make a tree that had 225 on top of the tree then from there you divide until you get prime numbers.

6) a: 64

/ \

8 x 8

/ \ / \

4x2 x 4x2

b: Yes because the side are equal.

c:

11) What is the square of each number?

a: 9- 9x9= 81

b: 11- 11x11= 121

15) Evaluate. -- Definition of Evaluate:

to ascertain the numerical value

a)

b)

c)

Click here for a math site that will help you in square roots and squares.

Here is a video that will help you in square rooting.

Here is a picture displaying an example of prime factorization.

Good job Mark! I really liked how added color to your post. The pictures were okay and the video was helpful. For the Show You Know on Page 83, it should be 16x16, not 16x2.

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