7A 1-3 Practice: Add Integers

-22 + (-9)

• -11
• -31
• 11
• 31

2 + (-21) 

• 19
• -19
• -23
• 23

-8 + 13

• 21
• -21
• 5
• -5

-22 + (-24) 

• 46
• -22
• 22
• -46

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

 A soccer team is having a car wash. The team spent $55 on supplies. They earned $275, including tips. The team’s profit is the amount the team made after paying for supplies. Write a sum of integers that represents the team’s profit.

• -55 + 275 = -220
• none
• 55 + 275 = 220
• -55 + 275 = 220

At 2pm, the temperature was 15 degrees. By midnight, the temperature dropped by 30 degrees. What is the temperature at midnight?

• 45 degrees
• -45 degrees
• 15 degrees
• -15 degrees

(-40) + (-39)

• 1
• -1
• 79
• -79

33 + (-38)

• -5
• 5
• 71
• -71

Mark and Sally went to the mall. Mark borrowed $2 from Sally for lunch.Then, he gave Sally $17 for a new t-shirt. How much does Sally have to pay in debt?

• 19
• 15
• -19
• -15