Adding and Subtracting Integers

Represent

100

Write an integer that represents the following situation: 5 feet below sea level

-5

200

Write an integer to represent the situation: A bird is flying 19 feet above ground.

19

300

Write an integer to represent the situation: A rock climber climbs up 17 feet, then down 21 feet.

-4

400

Write an integer to represent the situation: A fish swims down 18 feet, then up 13 feet, then down 22 feet.

-27

500

Write an integer to represent the situation: Tyler has $22. He spends $12.50, then earns $18.25. 

$27.75

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

19 + (-8) + (-4)

7

500

-16+18+-17

-15

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-27 - (-3)

-24

500

-10 - 11 - (-3)

-18

Mix

100

What is the rule for changing a subtraction problem to an addition problem?

Add the opposite / add a line change the sign

200

What is the definintion of an integer?

Positive and negative whole numbers

300

Complete the statement using < , > or =

-8.3 ____-8.25

-8.3 < -8.25

400

Temperatures in the Gobi Desert reach -40^o F in the winter, and 90^o F in the summer. Find the range of the temperatures.

130^o

500

-10 + (-2) - 5 + 6 - (-4)

-3