Ch 3 L 1 and 2

Vocab

100

Integers is a fancy word for 

Numbers

200

Additive inverse means

Opposite

300

Absolute value is the 

distance from zero

400

When adding integers with the same sign you find the 

sum

500

When adding  integers with different signs you find the _______ and keep the sign of the ______ number

difference, BIGGER

Add

100

-4 + (-9)

-13

200

8 + (-37)

-29

300

-3 + (-8)

-11

400

-11 + (-13)

-24

500

-21 + (-9) + 18

-12

Subtract

100

-30 - 20

-50

200

15 - (-58)

73

300

-21 - (-14)

-7

400

9 - (-2) 

11

500

28 - 14

14

Expression

100

w - y if w = 20 and y = -8 

28

200

x - y if x = -11 and y = 26

-37

300

a - b if a = 10 and b = - 7 

17

400

x - y if x = -23 and y = 19 

-42

500

p - q if p = -21 and q = 37

-58

Distance

100

Find the distance between -5 and 8 

13

200

Find the distance between -6 and 7 

13

300

find the distance between -14 and 5

19

400

This highest point in a park is 235 feet above sea level. The lowest point is 32 feet below sea level.  What is the distance between the highest and lowest points in the park? 

267

500

The highest and lowest recorded temperatures for the state of Texas are 120 degrees Fahrenheit and -23 degrees Fahrenheit.  Find the range of these extreme temperatures. 

143