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