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(1)

Aug 30­12:59 PM

Welcome to High School

Welcome to Grade Nine

Welcome to Academic Math

Mr. Pignat

(Mr. PINyit)

(2)

Title Page

MINDS ON Today's Learning Goal

By the end today's lesson I will be able to... ­add, subtract, multiply, and divide integers.

­plot points and read coordinates from the Cartesian Plane

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

­efficiently add, subtract, multiply, and divide integers with and  without a calculator

­correctly plot ordered pairs and give coordinates of objects in  the plane 

Today's Agenda

Success Criteria

­Attendance and Welcome

­Agendas, Behaviour, and Homeroom House­keeping ­Classroom Tour and Class Expectations

­Course Outline and Course Overview

(3)

Jun 2­3:15 PM

1

What are integers?

A

all numbers

B

all whole numbers and their opposites

C

all positive numbers

D

all negative numbers

(4)

Jun 2­3:19 PM

2

Which is an integer?

A

8.5

B

‐0

C

5 1/2

(5)

Jun 2­3:20 PM

3

Which is not an integer?

A

‐9,852

B

62

C

‐5.6

(6)

Jun 2­3:20 PM

4

What is the opposite of 92?

A

‐92

B

29

C

‐29

(7)

Jun 3­4:23 PM

5

What is the definition of the magnitude of an 

integer?

A

the value of the integer

B

the opposite of the integer

C

the distance the integer is from 0

D

how many factors the integer has

(8)

Jun 2­3:21 PM

6

What is the magnitude of ‐13?

A

‐13

B

0

(9)

Jun 2­3:21 PM

7

Which is the smallest integer?

A

0

B

‐8

C

7

(10)

Jun 2­3:22 PM

8

Which is the largest integer?

A

‐13

B

8

C

5

(11)

Jun 2­3:23 PM

9

Which symbol makes this comparison true?

‐5   ___   3

A

>

B

=

(12)

Jun 2­3:24 PM

10

Which symbol makes this comparison true?     

7   ___   ‐8

A

>

B

=

(13)

Jan 7­9:25 AM

Answer

Answer

A negative number. 

Back

Back

A positive 

number times a 

negative number 

(14)

Jan 7­9:30 AM

Answer

Answer

A negative number.

Back

Back

A negative 

number times a 

positive number 

(15)

Jan 7­9:34 AM

Answer

Answer

A positive number

Back

Back

A negative number 

times a negative 

(16)

Jan 7­10:38 AM

Answer

Answer

A positive number

Back

Back

A positive 

number times a 

positive number 

(17)

Jan 7­10:38 AM

Answer

Answer

A positive number

Back

Back

A negative number 

divided by a negative 

(18)

Jan 7­10:39 AM

A negative number

Pull

Pull

Back

Back

A negative number 

divided by a positive 

(19)

Jan 7­10:39 AM

60

Pull

Pull

Back

Back

Copy this!!

Ex 1:

Evaluate the following:

(20)

Jan 7­10:39 AM

Pull

Pull

5

Back

Back

Copy this!!

Example 2;

Evaluate the following:

(21)

Jan 7­10:39 AM

-17

Pull

Pull

Back

Back

Example 3:

Copy this

Solve the following:

(22)

Jan 7­10:39 AM

-2

Pull

Pull

Back

Back

Solve the following:

(23)

Jan 7­10:39 AM

Answer

Answer

16

Back

Back

Solve the following:

(24)

vocab 2

Important Vocabulary

Copy this...

Integers:

Positive number:

Negative number:

Sum:

A number with no fractional part.

A real number greater than zero.

A real number that is less than zero.

(25)

vocab 1

Important Vocabulary

Difference:   The result of subtracting two numbers.

Absolute Value:   The distance of a number from zero;

      the positive value (size) of a number.  

Product:   The result of two numbers multiplied together.

(26)

review

Co­ordinate Building

4

Floors

Elevators 1 2 3 4 5 1

2 3

You need to go in the building at the front door (0), then go to your elevator to get to your floor.

You cannot climb the outside of the building and go in a window!

(27)

review

Co­ordinate Building

4

Floors

Elevators 1 2 3 4 5 1

2 3

Drag the circles to the correct co­ordinates: (1, 3) (4, 2) (2, 1)

(5, 4) (3, 0) (0, 2)

0

Check Your Answers. Drag the star on top of 

(28)
(29)

review

Number lines

­1 0 ­2

­3 ­4

­5 1 2 3 4 5

(30)

x y gride

X Y  Axis

(31)

x y gride

X Y  Axis

(32)

x y grid

x

y

­y

­x

(33)

CFU

11

In the ordered pair (9,6) you find the number 9 on the x 

axis.

Yes

 

No

 

(34)

CFU

Check Your Understanding

12

(9,6) is an example of ______

A

graphing

B

an ordered pair

(35)

CFU

x

y

­y

­x

(36)
(37)

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