Adding & Subtracting Integers

Terminology

100

Which number is at the CENTER of the number line.

Zero

200

The __________ of a number is the same distance from zero as the original number just on the other side.

Opposite 

300

Adding a negative is the same as:

Subtracting

400

Subtracting a negative is the same as:

Addition

500

Describe the absolute value method of adding integers with different signs.

(1) Make #s positive

(2) Subtract

(3) Use sign of the # with bigger absolute value

Adding Integers

100

4 + (-2)  =

2

200

-6 + (-10) =

-16

300

9 + (-10) + (-9) =

-10

400

(-4) + (-9) + 7 +13 =

7

500

(-8) + 7 + (-9) +34 + (-23)= 

1

Subtracting Integers

100

9 - (-5)=

14

200

8 - (-9) - 7=

10

300

-7 - (-3) - 4 =

-8

400

(-1) - (-7) - (-3) - 1 =

8

500

9 - (-2) - 4 - (-6) - 4=

9

Mix

100

4 - (-2) +6 =

12

200

-9 + 12 - (-31) =

34

300

-4 - (9) + 12 - (-8) =

7

400

9 + 23 - (29) + 12=

15

500

1.25 - 1.50 + (-1.50)

-1.75

Random

100

-98 - (-76) =

Will your answer be positive or negative?

negative 

200

How many negative integers are in this problem?

(-9) + (-4) - 7 + 3

2

300

What sign do you get when adding two negative numbers together?

a negative number (negative sign) 

400

True or False: 

(-9) - (-81) + (-21) = -51

FALSE correct answer is 51 

500

How do you find the distance between two numbers, p and q?

| p - q |