Post on 08-Jan-2016
description
Variables & Patterns
7th grade
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Tables & Graphs
Ind. & Dep.
Variables
Coordinate
Graphing
Solving Problems
Writing equations
200200
Variables & Patterns
On which axis do you place the independent
variable?
Independent/Dependent Variables for $100
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the x-axis
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Independent/Dependent Variables for $100
Independent/Dependent Variables for $200
In the coordinate pair (4,8), which number
represents the dependent variable?
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8
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Independent/Dependent Variables for $200
The graph shows the relationship between two variables. What are they?
Independent/Dependent Variables for $300
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Nu
mb
er
of
can
s
collecte
d
Day
1 2 3 4 500
80
70
60
50
40
30
20
10
Holiday Food Drive
The day and the number of cans collected.
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Independent/Dependent Variables for $300
Independent/Dependent Variables for $400
What is the total number of cans collected over the
5 days?
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Nu
mb
er
of
can
s
collecte
d
Day
1 2 3 4 500
80
70
60
50
40
30
20
10
Holiday Food Drive
about 295 cans
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Independent/Dependent Variables for $400
What does this graph show about the relationship
between the independent and dependent variables?
Independent/Dependent Variables for $500
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As the independent variable increases, the
dependent variable increases.
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The perimeter of a rectangle is twice its length plus twice its
width.
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P= 2L + 2W
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The number of students at RMS is 21 multiplied
by the number of teachers.
Writing Equations for $200
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S=21T
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The number of CD’s Mike has is 3 times the number of CD’s Richard
has plus 5.
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M = 3R + 5
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The number of chocolate chips in a
cookie is 15 times the number of pecans less
eleven.
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C = 15p - 11
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Writing Equations for $400
The number of feathers in a pillow is 7 more than 6 times
the number of pillowcases minus
one.
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F = 7 + 6(n-1)
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Writing Equations for $500
If it costs $5 to rent 4 videos, what is the rental cost for 16
videos?
Solving Word Problems $100
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$20.00
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Solving Word Problems $100
A shirt that costs $40 is on sale at 25% off.
What is the sale price?
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$30.00
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Clara Net is going to cover her circular table
with fabric. The table has a diameter of 2.5 feet.
How much fabric will she need to cover the table?
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about 4.9 feet
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Solving Word Problems $300
Solving Word Problems for $400
If there are 622 students attending Barney Middle School and there are 249
girls, how many of the students are boys?
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there are 373 boys
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Solving Word Problems $400
If Blockbuster rents videos for $3 each,
how many videos can Jeffery rent if he has
$54?
Solving Word Problems for $500
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18 videos
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Coordinate Graphing for $100
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Is the dependent variable is graphed on
the x-axis or the y-axis?
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Coordinate Graphing for $100
y-axis
Coordinate Graphing for $200
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Which point has coordinates (8,1)?
T
W
V
P
C
F
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Coordinate Graphing for $200
point F
Coordinate Graphing for $300
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Which point has coordinates (5,3)?
T
W
V
P
C
F
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Coordinate Graphing for $300
point V
Coordinate Graphing for $400
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Give coordinates for point C.
T
W
V
P
C
F
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Coordinate Graphing for $400
the coordinates for point C are
(7,7)
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What is the distance between points T and P?
T
W
V
P
C
F
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Coordinate Graphing for $500
4 units
Tables & Graphs for $100
On a horizontal table, where is the independent
variable located?
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the value located on the top
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What interval is used on the y-axis?
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Nu
mb
er
of
can
s
collecte
d
Day
1 2 3 4 500
80
70
60
50
40
30
20
10
Holiday Food Drive
Back toJeopardy Board
10
Tables & Graphs for $200
Tables & Graphs for $300
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Do the amounts graphed each day show the total
amount collected?
Nu
mb
er
of
can
s
collecte
d
Day
1 2 3 4 500
80
70
60
50
40
30
20
10
Holiday Food Drive
No, they show only the amount collected for
that day.
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Tables & Graphs for $300
Does it make sense to connect the points?
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Nu
mb
er
of
can
s
collecte
d
Day
1 2 3 4 500
80
70
60
50
40
30
20
10
Holiday Food Drive
Back toJeopardy Board
No, because the values are not
continuous.
Tables & Graphs for $400
To find the total amount of can collected which
method would display the data best?
Graph, Table, Written Report
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Table
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