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Title Page

Grade 9 Academic ­ Unit 02  ­ Lesson 1 Using Scatter Plots to Analze Data

MINDS ON Today's Learning Goal By the end today's lesson I will be able to...

‐‐Create and interpret scatter plots ‐‐Plot points on the Cartesian Plane Success Criteria

I have achieved today's goal when I can...

‐‐correctly solve today's consolidate question.

Today's Agenda ­Minds On (2.3)

­Homework Check, Unit 1 ­SMARTBOARD Lesson 1 ­Consolidate, Homework

Label the axes and the origin.

Plot the points A(2, 5), B(‐3, 1) and C(0, 4) Provide the coordinates of the point given.

Title Page

Unit 2:  Linear Relationships 

(2)

Oct 11­12:34 PM

a) Husband’s Height to Wife’s Height

b) Number of Days Absent to Test Score

c) Time swimming to Distance Swam

d) Pages Read to Pages Remaining to Read. 

Oct 10­4:36 PM

coordinate plane

 is 

formed when two 

number lines intersect at 

their zero points.

(3)

Sep 26­2:31 PM

This intersection is called the 

origin

.

The vertical  number  line is called 

the y­axis.

The horizontal number line is called the 

x­axis

.

origin

copy!

Sep 26­2:27 PM

Independent Variable

Dependent Variable

ex: time (seconds)

ex: distance (meters)

0

When creating a graph, make sure to 

include the following components:

Don't forget to include a scale on both axes!!

(4)

Oct 12­8:58 AM

What does a Cartesian Plane 

look like?

(5)

Oct 12­10:30 AM

­

­

(+, ­)

Quadrant IV

(+, ­)

Quadrant I

(+, +)

Quadrant II

(­, +)

Quadrant III

(­, ­)

copy!

Minds On Page 1

(6)

Oct 12­10:37 AM

What is an

ordered pair?

How are they written?

Mar 7­5:00 PM

An ordered pair is a

pair of numbers,

written as (x, y),

that represents a

point on the

Cartesian plane.

(7)

Sep 26­2:40 PM

PULL

To graph an ordered pair, move along 

the 

x­axis

 until you reach the number.  

Then move up the 

y­axis

 until you reach 

the number.  

Draw the point at the intersection of the 

two lines.  

Sep 26­2:43 PM

Plot the following points on the 

Cartesian Plane:

 

­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6

­6 ­5 ­4 ­3 ­2 ­1 1 2 3 4 5 6

x y

A (3, 4)

B (­2, ­1)

(8)

Dec 14­9:58 PM

1

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

9

8

Graph and label each point on the 

coordinate plane.

Drag the point to the plane. A (0,0) B (7,6) C (1,8) D (5,6) Drag each label  to the point it  names. guided practice

Time to practice!

1. (5,4) 2. (

2,2)

3. (1,0 ) 4. (4,

1)

5. (3,4 ) 6. (0

,3)

1 1 2 3 4 5 6

(9)

practice 

Use the ordered pairs to identify the points.  

Then use the magnifying glass to reveal 

the answers. 

 

1

1 2 3 4 5 6

2 3 4 5 6 7

7

8 8

I

J

K

L

M

N

1. (5,2) 2. (4,0)

I K

3. (8,3)

4. (1,7)

L M

5. (3,8)

6. (5,5)

J N

Dec 14­10:13 PM

Beat the clock for a top score!

1 2 3 4 5 6 7 8 9

(10)

Dec 14­9:36 PM

Move the letters into the proper order before time runs out.

Click the "Clue" button at the bottom to see the clue.

Mar 19­7:45 AM

Fill in the blanks

A ___________ is formed by two perpendicular 

number lines called coordinate axes.

The ___­­­________, the first number in an ordered 

pair, can be found by moving along the horizontal 

axis.

The _______­­­­­­____, the second number in the ordered 

pair, can be found by moving along the vertical axis.

A pair of numbers that names a point on a coordinate 

grid is called an _____________. 

y­coordinate coordinate grid

(11)

Dec 13­3:02 AM

1

What is the location of

P, as an ordered pair?

A

(11,11)

B

(10,10)

C

(10,11)

D

(11,10)

Multiple choice

x

y

1 3 5 7 9 11 13 15 17 19

1 3 5 7 9 11 13 15 17 19 P S R Q O N M 0 Dec 13­3:02 AM

2

On this graph, which

point is found at (18,5)?

A

S

B

N

C

Q

D

M

Multiple choice

x

y

1 3 5 7 9 11 13 15 17 19

(12)

Dec 13­3:02 AM

3

What is the location of

O, as an ordered pair?

A

(17,4)

B

(5,17)

C

(17,5)

D

(4,17)

Multiple choice

x

y

1 3 5 7 9 11 13 15 17 19

1 3 5 7 9 11 13 15 17 19 P S R Q O N M 0 Dec 13­3:02 AM

4

What are the coordinates

of point R, if it is moved

3 units right and 2 units up?

A

(14,8)

B

(13,10)

C

(13,8)

D

(14,11)

Multiple choice

x

y

1 3 5 7 9 11 13 15 17 19

(13)

Dec 13­3:02 AM

5

What are the coordinates

of point S, if it is moved

4 units left and 1 unit down?

A

(12,14)

B

(11,15)

C

(11,14)

D

(19,14)

Multiple choice

x

y

1 3 5 7 9 11 13 15 17 19

1 3 5 7 9 11 13 15 17 19 P S R Q O N M 0 Dec 13­3:02 AM

6

Where is the point

R located?

A

(18,18)

B

(17,17)

C

(17,16)

D

(16,16)

Multiple choice

P R Q

x

y

1 3 5 7 9 11 13 15 17 19

(14)

Dec 13­3:02 AM

7

Where is the point

H located?

A

(-7,-8)

B

(7,-8)

C

(7,8)

D

(-7,8)

Multiple choice

0 2 4 6 8 10

-10 -8 -6 -4 -2

A F E D C B H G 2 4 6 8 10 -2 -4 -6 -8 -10 x y x' y' Dec 13­3:02 AM

8

Where is the point

B located?

A

(-6,-7)

B

(-7,6)

C

(-6,7)

D

(7,-6)

Multiple choice

0 2 4 6 8 10

-10 -8 -6 -4 -2

(15)

Dec 13­3:02 AM

9

Where is the point

B located?

A

(-4,0)

B

(0,-4)

C

(4,0)

D

(0,4)

Multiple choice

0 2 4 6 8 10

-10 -8 -6 -4 -2

A E D C B 2 4 6 8 10 -2 -4 -6 -8 -10 x y x' y' Dec 13­3:02 AM

10

Where is the point

A located?

A

(4,9)

B

(-4,9)

C

(-4,-9)

D

(4,-9)

Multiple choice

0 2 4 6 8 10

-10 -8 -6 -4 -2

(16)

Minds On Page 2 Graphing Review

Plot the wingspan data for  these 18 birds on the grid by  dragging the ordered pairs.

(123, 350) (120, 300)

(175, 250) (78, 222)

(124, 157) (75, 128)

(17, 27) (18, 50)

(48, 71)(62, 75) (38, 76)

(48, 86) (47, 100)(52, 100)

(51, 120) (56, 120)(55, 127)

(70, 150)

1. Describe the pattern of dots on the scatter plot.

2. Describe the relationship between bird length and wingspan.

Minds On Page 4

As a person gets taller their armspan ______________________.

gets wider gets smaller stays the same

The longer a person's legs ______________________ they run.

the faster the slower will make no difference how fast

As a person's foot stride increases, their walking strike ______________________.

gets longer gets shorter stays the same

As a person's forearm gets longer, their armspan ______________________.

gets longer gets shorter stays the same

The longer a person's thumb is ______________________ their index finger.

the longer the shorter will make no difference to the length of

As a person gets taller, their foot size ______________________.

gets longer gets shorter is not affected

(17)

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