Adding and Subtracting Basic Integers

-9 - 5

• -14

• 4

• -4

• 45

-8 - (-6)

• 2

• 14

• -2

• -14

What is the distance from -7 to 5 on a number line? 

• 12

• -12

• 2

• -4

A submarine was 1800 ft below sea level. It dove another 1500 feet deeper. Which integer represents its location? 

• -300

• -1300

• -3300

• 300

Express an integer: a plane descended 3000 ft

• 3000

• 300

• -300

• -3000

Integers are

• all positive numbers only.

• all negative numbers only.

• all counting numbers and their opposites

• percentages, fractions, & square root.

• -7 + 4 = -3
• 7 + (-4) = 3
• 7 - 4 = 11
• 7 + (-4) = -11

A car backs up 23 feet, followed by 9 more feet. The car's position can be represented by the expression  -23 + (-9). What is the sum?

• -32

• 32

• 14

• -14

-15 + -8 =

• 23

• -23

• 7

• -7

13 + -21 =

• 34

• -34

• 8

• -8