1. lesson 85.notebook April 29, 2014
Assignment:
1-->Order of Operations Handout - Due Tomorrow [4/30]
2-->Test #13 - Tuesday [5/6]

2. lesson 85.notebook April 29, 2014
Lesson 85 WarmUp:
1) If a = 1.5, what does 4a + 5 equal?
2) Allison earns $6 per hour babysitting. How much does she
earn if she works 2 hours 30 minutes?
3) What is the circumference of a circle with a radius of 14 cm?
[Use 3.14 for PI]
4) What is the area of a circle with a radius of 10 yd?
[Use 3.14 for PI]
5) Use prime factorization to reduce: 420
630

3. lesson 85.notebook April 29, 2014
Lesson 85:
*We can use our Order of Operations [PEMDAS] to work
problems that contain positive AND negative numbers!

4. lesson 85.notebook April 29, 2014
Lesson 85 Examples:
Simplify.
A) - 3 + 4 - 5 - 2
B) -4(-3)(-2) - 6(-4)

5. lesson 85.notebook April 29, 2014
C) - 2 + 3 (-4) - 5 (-2)
D) (-5) - (-5)(-5) + |-5|

6. lesson 85.notebook April 29, 2014
E) (-3) + (-3)(-3) - (-3)
(3)
F) -3(-2) - 5(2) + 3(-4)

7. lesson 85.notebook April 29, 2014
G) (-3) - [(-2) - (4)(-5)]
H) (-2)[(-3) - (-4)(5)]

8. lesson 85.notebook April 29, 2014
I) (-3) + (-3)(4)
(3) + (-4)
J) (-3)(-4) - (-3)
(-3) - (4)(3)