Adding and Subtracting Integers and Fractions

-7 - (-2) = ?

• 9

• -9

• -5

• 5

-8 - (-6)

• 2

• 14

• -2

• -14

Express an integer: a plane descended 3000 ft

• 3000

• 300

• -300

• -3000

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

• -300

• -1300

• -3300

• 300

- 1/3 + (-1/6)

• -1/2

• -2/6

• 1/3

• -2/18

-3/7 + 4/5

• 43/35

• -13/35

• -43/35

• 13/35

-5 + (-1)

• -51

• -6

• 4

• 5

-40 + 15.05= 

• 55.05

• 24.95

• -24.95

• 14.65

(-⅚) - (⅗)

• -1   13/30

• 1   13/30

• -7/30

• 7/30

-20+(-11)

• 31

• 9

• -9

• -31