Operations with Rational Numbers Study Guide

Front

Jillian owes the bank $66.25. She deposits $60.00 into her account. What is the current balance of Jillian's account?

Back

-6.25

Front

Which difference is represented by this number line? Options: -3 - (-2), -3 - 2, -5 + (-3), -5 + (-2)

Back

-3 - 2

Front

Expression: 25 + (-12) + (-5) + 10. Which word problem does this represent? Options: Chris owed his friend Darien $25. He paid her $12 on Monday, $5 on Wednesday, and $10 on Friday. How much money does Chris still owe Darien? Julia earned $25 babysitting. She bought a sweater for $12 and a book for $5. Her mom then gave her $10 for her allowance. How much money does Julia now have? For his birthday, Mark got $25 from his mom, $12 from his grandma, and $5 from his brother. He spent $10 on tokens at the arcade. How much money does Mark have left? Blaine earned $25 by walking the neighbors’ dogs. At the mall, she spent $12 on a new book and $5 on some candy. She then gave $10 to her little sister. How much money does Blaine have left?

Back

Julia earned $25 babysitting. She bought a sweater for $12 and a book for $5. Her mom then gave her $10 for her allowance. How much money does Julia now have?

Front

5.4 − (−8.35)

Back

13.75

Front

Expression representing the distance between T and U on the number line: |−2 + −5|, |−2 − (−5)|, −5 − (−2), |−2| + |−5|

Back

|−2 − (−5)|

Front

Is Robert correct in thinking the sum of 2,487 + (−3,723) will be less than zero? How can you tell if the sum of a positive and a negative number will be positive or negative?

Back

Yes, the signs are different so he would subtract and the negative number is larger than the positive number. Therefore, the answer is negative.

Front

Distance from Hailey's rock to Leo's rock if Hailey's rock is 16 feet in front of the can and Leo's rock is 21 feet behind the can.

Back

37 feet

Front

the product of -16 and -7

Back

a positive integer

Front

Is the shark closer to the drone or the pirate ship?

Back

Drone

Front

Distance between a drone 364.3 ft. above sea level and a pirate ship 386.4 ft. below sea level.

Back

750.7 feet