Variables & Patterns 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Tables & Graphs Ind. & Dep. Variables Coordinate Graphing

Variables & Patterns

7th grade

500500

100

200

300

100 100

300

200

300 300300

200

100

200

500500 500 500

300

100

400400 400 400 400

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

Click here to check Click here to check your answeryour answer

the x-axis

Back toJeopardy Board



In the coordinate pair (4,8), which number

represents the dependent variable?


8



The graph shows the relationship between two variables. What are they?



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.




What is the total number of cans collected over the

5 days?


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



What does this graph show about the relationship

between the independent and dependent variables?



As the independent variable increases, the

dependent variable increases.



The perimeter of a rectangle is twice its length plus twice its

width.

Writing Equations for $100



P= 2L + 2W


The number of students at RMS is 21 multiplied

by the number of teachers.




S=21T


The number of CD’s Mike has is 3 times the number of CD’s Richard

has plus 5.



M = 3R + 5



The number of chocolate chips in a

cookie is 15 times the number of pecans less

eleven.



C = 15p - 11



The number of feathers in a pillow is 7 more than 6 times

the number of pillowcases minus

one.



F = 7 + 6(n-1)



If it costs $5 to rent 4 videos, what is the rental cost for 16

videos?

Solving Word Problems $100


$20.00



A shirt that costs $40 is on sale at 25% off.

What is the sale price?

Solving Word Problems for $200


$30.00




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?


about 4.9 feet




If there are 622 students attending Barney Middle School and there are 249

girls, how many of the students are boys?


there are 373 boys



If Blockbuster rents videos for $3 each,

how many videos can Jeffery rent if he has

$54?



18 videos



Coordinate Graphing for $100


Is the dependent variable is graphed on

the x-axis or the y-axis?



y-axis



Which point has coordinates (8,1)?

T

W

V

P

C

F



point F



Which point has coordinates (5,3)?

T

W

V

P

C

F



point V



Give coordinates for point C.

T

W

V

P

C

F



the coordinates for point C are

(7,7)



What is the distance between points T and P?

T

W

V

P

C

F



4 units

Tables & Graphs for $100

On a horizontal table, where is the independent

variable located?



the value located on the top


What interval is used on the y-axis?



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


10




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.



Does it make sense to connect the points?



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, because the values are not

continuous.


To find the total amount of can collected which

method would display the data best?

Graph, Table, Written Report




Table


Documents

Variables & Patterns 7th grade 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Tables & Graphs Ind. & Dep. Variables Coordinate Graphing