Warm-up
Simplify
1) -2
5)
4)
7)
2
2-19
2
2(-2) +1
2) (-2)
2
3) -(2)
2
6)
8) 3(x+2)-3(x-7)+3(-x-1) 9) x x
Average/ Area/ Graphs
*Called the measure of central tendency
-Mean, median, mode
Mean= sum of the data points
amount of data points
Ex. Find the mean of 30, 7, 14
Area
A= length width
1
2 ft
36 ft
1u
Find the length if
given the area
a= 48 sq. units
4
x
Graphing
*Which one
determines the
other?
cost
Paid apps on
your phone
d
t
n
e
d
epen
Y
X
p
e
d
n
i
t
n
e
end
Check for understanding
1) Find the mean of 75, 88, 90
1
(75+88+90)/3 = 253/3 = 84.3 or 84 3
2) Find the width if the length is 1.2 inches and
the area is 5.4 sq. inches
A = w l 5.4 = 1.2w w= 4.5 inches
3) Decide which is the independent and which
is the dependent in the following statement.
A scientist studies the impact of a drug on
cancer. Theindependent
_________ variables are the
administration of the drug- the dosage and
dependent
the timing. The __________ variable is the
impact the drug has on cancer.
Quick check in
Etube is pronounced "eh-too-bay"
Everyone must have graph paper
Everyone must have a ruler
Talk about what the word "JUSTIFY" means
In your groups...1-7 all parts(on page 8 &9)
-each group member must have their own
graph (use your class work notebook)
Re
r
o
s
t
o
a
t
i
u
l
i
M
c
ana rce
Fa
ger
Recorder/
Reporter
Task
Manager
Recorder/Reporter
1) Who in your group didn't copy pg. 5 of the
notes?
2) Who in your group doesn't have a parent
signature on their reflections sheet?
When finished...
1) Get your test back from me
-resource manager raises their hand
2) Correct your corrections with your group or
use the key if available
3) Staple the corrections on top of your test
and put it in the BLUE bin
4) You may begin the homework
Homework:
1) Finish class work
2) CPM 1.9-1.14, also 1.21-1.26
3) Study for Order of Operations quiz
4) Print the schedule for this chapter
http://www.oakparkusd.org/Page/7902