WHAT ARE THEY?

EXAMPLES: NOT AN INTEGER:

• -5

• 5

• 386

• -5843

• -5.3

• 5.3

• 386/387

SO WHAT DO YOU THINK AN INTEGER IS?.......

http://youtu.be/6EWq9EZmIKg

INTEGER “CHIPS”

YELLOW IS POSITIVERED IS NEGATIVE

When they come together, they

Become a zero pair – meaning they

equal zero

ADDING WITH CHIPS:

-5 + -3

ADDING WITH CHIPS:

NOTICE NO ZERO

PAIRS

ADDING WITH CHIPS:

WE HAVE 8 RED

CHIPS ALTOGETHER

ADDING WITH CHIPS:

8 RED CHIPS =

8 NEGATIVE CHIPS

= -8

ADDING WITH CHIPS:

-5 + 3

ADDING WITH CHIPS:

NOTICE WE CAN

CREATE ZERO

PAIRS

These will

cancel out

ADDING WITH CHIPS:

LEAVING

ONLY THESE

2 red chips =

2 negative chips =

-2

YOUR TURN!

WHICH ONE OF THESE REPRESENTS 5 + -7

A

or

B

WHAT IS THE CORRECT ANSWER?

12 -12 2 -2