Applying operations on rational numbers to solve mathematical and real-world problems

Elijah drives a limousine and he wants to calculate his profit at the end of the day. He spent money on gasoline, but made money on trips. He bought 14 gallons worth of gas at $4 per gallon. He drove customers 75 miles and charged them $5 per mile. How much profit did he make at the end of the day?

• $375

• $56

• $431

• $319

Tags

CCSS.7.NS.A.3

Marcy has $128 in her checking account. If she writes a check for $215 and deposits $80, find the balance in her account.

Tags

CCSS.7.NS.A.3

24 ÷ 6 + 4²

• 12
• 2
• 20

Tags

CCSS.7.NS.A.3

6. The temperature dropped 4°F one hour ago. If the current temperature is 58°F, what was the temperature one hour ago?

• 54°F

• 62°F

• -54°F

• -62°F

Tags

CCSS.7.NS.A.3

 $1\frac{1}{3}\div\frac{4}{5}$  

•  $1\frac{2}{3}$  

• 2

•  $1\frac{1}{2}$  

• 4/5

Tags

CCSS.7.NS.A.3

Joan and three of her friends entered a golf contest. The names and scores of the players on the team are shown in the table. The team’s score is the sum of all the scores in the table. 

What is the team score?

• 3

• 1

• 0

• -3

Tags

CCSS.7.NS.A.3

Rihanna deposited $20.00 in her school cafeteria account. In one week she spent $14.75 on lunches. If the starting balance on her account was – $12.65, what transaction does Rihanna need to make to bring her cafeteria account to zero?

• $7.20

• $7.40

• $7.60

• $7.80

• $8.00

Tags

CCSS.7.NS.A.3

Find the value of the expression:

30 + 2³÷ 4 - 3(2)

• 26

• 3

• 2

• 58

Tags

CCSS.7.NS.A.3

2 + 3 x 8

• 40
• 26
• 14
• 48

Tags

CCSS.7.NS.A.3

Mitchell was fishing in a lake that has a bottom of -10 feet from the surface. He reels his line up 7 feet from the bottom. How far is Mitchell's line from the lake's surface?

• -3 feet

• -17 feet

• 10 feet above the surface

• -4 feet

Tags

CCSS.7.NS.A.3