1. lesson 18.notebook September 13, 2013
Assignment:
1­­>Set 18 (evens) ­ Due Monday (9/16)
2­­>Test #2 ­ Tuesday (9/17)

2. lesson 18.notebook September 13, 2013
Lesson 18 Warm­Up:
1) How many one­digit counting numbers
are prime? List them all.
2) Compute a 15% tip for a dinner that costs $40.
3) Convert 8/9 to a percent.
4) The number zero is a member of which set(s) of numbers?
5) Simplify: 121

3. lesson 18.notebook September 13, 2013
Lesson 18
*Geometry Information:
A
B
A
B
A
B
A B
A B
C
D
parallel lines perpendicular lines
segment line
ray
C
D

4. lesson 18.notebook September 13, 2013
FYI...
acute angle­­>
obtuse angle­­>
right angle­­>
straight angle­­>
degrees in a circle­­>
semi­circle­­>
quarter­circle­­>
linear pair­­>
2 angles whose
sum is 180 degrees

5. lesson 18.notebook September 13, 2013
protractor
(Used to
measure
and/or draw
angles!!)

6. lesson 18.notebook September 13, 2013
Examples ­ Lesson 18
pg. 117
A) line
B) ray
C) segment
D) parallel
E) perpendicular

7. lesson 18.notebook September 13, 2013
F) acute angle
G) obtuse angle
H) right angle
I) straight angle
J) 135 degrees