1. Lesson 65.notebook April 09, 2013
Assignment:
1-->Set 66 (evens) - Due Tomorrow (4/10)
2-->Test signed??

2. Lesson 65.notebook April 09, 2013
Lesson 65 WarmUp:
1) A regular hexagon has a perimeter of 36 inches. How long is
each side?
2) What is the twelfth prime number?
3) When the sum of 1.3 and 1.2 is divided by the difference of
1.3 and 1.2, what is the quotient? [show all work]
4) Reduce: 2 x 2 x 2 x 3 x 3
2 x 2 x 3 x 5 x 5
5) Simplify: 4 3/8 + 3 3/4

3. Lesson 65.notebook April 09, 2013
Lesson 65:
*prime number - a whole number (greater than 1) and only has factors of
one and itself
ex-->
*composite number - a whole number (greater than 1) and has more than
2 factors
ex-->

4. Lesson 65.notebook April 09, 2013
*prime factorization - writing a composite number as a product of prime
numbers
We can do this 2 ways:
factor tree - division by primes -
36
36

5. Lesson 65.notebook April 09, 2013
Lesson 65 Examples:
Write the prime factorization of the following.
A) 40
B) 48

6. Lesson 65.notebook April 09, 2013
C) 60
D) 100

7. Lesson 65.notebook April 09, 2013
E) 50
F) 400