Rational Number Operations

-½ + -½

• - ¼
• 1
• 0
• -1

A roller coaster begins at 90 feet above ground level. Then it descends 105 feet. Find the height of the coaster after the first descent

• - 15 feet
• 15 feet
• 195 feet
• - 195 feet

A football team lost 9 yards on each of three consecutive plays. What was the team’s total change in position for the three plays?

• -9 yards
• 3 yards
• -12 yards
• -27 yards

3 + -7

• 10
• 4
• -10
• -4

-9 + (-5)

• -14
• 14
• -4

-7 - 2

• -9
• 9
• 5
• -5

-8 - (-4) =

• 12
• -12
• 4
• -4

(-2)(-11)

• 13
• -13
• -22
• 22

44/-4=

• -11
• 11
• 176
• -176

The price of a share of stock started the day at $37. During the day it went down $3, up $1, down $7, and up $4.What was the price of a share at the end of the day?

• $32
• - $32
• - $5
• $30