Add & Subtract Rational Numbers Unit Test

Question

7 of 167 of 16 Items

Question
Which of the following is a real-world problem that could be solved with the sum 102.50+(−39.95)?(1 point)
Responses

Nevaeh earned $102.50 last weekend. He then spent $39.95 on a new game. How much money from his weekend earnings does he have left?
Nevaeh earned $102.50 last weekend. He then spent $39.95 on a new game. How much money from his weekend earnings does he have left?

Nevaeh has $102.50 in his bank account. He then deposits $39.95 into his bank account. How much money does he now have in his bank account?
Nevaeh has $102.50 in his bank account. He then deposits $39.95 into his bank account. How much money does he now have in his bank account?

Nevaeh earned $102.50 last weekend. He then received $39.95 from his mom. How much money does he now have?
Nevaeh earned $102.50 last weekend. He then received $39.95 from his mom. How much money does he now have?

Nevaeh bought new headphones for $102.50. He then spent $39.95 on a new game. How much money did Nevaeh spend all together?

Answer 1

Nevaeh bought new headphones for $102.50. He then spent $39.95 on a new game. How much money did Nevaeh spend all together?

Answer 2

It was 13°C yesterday, but the temperature changed by −18.6° overnight. What is the temperature now?(1 point)
°C

Answer 3

The temperature is now -5.6°C.

Answer 4

Use the additive inverse to find −492.89−(−871.78).(1 point)

Answer 5

To find the value of −492.89−(−871.78), we can rewrite it as −492.89+871.78 using the additive inverse.

Therefore, the value of −492.89−(−871.78) is 378.89.

Answer 6

Which context describes a difference of rational numbers?(1 point)
Responses

The team’s score increased when scoring.
The team’s score increased when scoring.

A football player loses yards on a play.
A football player loses yards on a play.

The team’s score did not change during the game.
The team’s score did not change during the game.

A football player gains yards on a play.
A football player gains yards on a play.

Answer 7

A football player loses yards on a play.

Answer 8

Joey walked east for 1523 meters from home. Then, he walked west for 2134 meters. How far was Joey from home? Write your answer as a mixed number only.(1 point)
Joey was
meters from home.

Answer 9

Joey was 611 meters from home.

Answer 10

in a mixed fraction form

Answer 11

Joey was 611 meters from home, which can be written as 0 611/1 in mixed fraction form.

Answer 12

thanks

Answer 13

You're welcome! If you have any more questions, feel free to ask.

Answer 14

Add & Subtract Rational Numbers Unit Test
15 of 1615 of 16 Items

Question
Which situation describes opposite quantities that when combined would equal 0?(1 point)
Responses

A plane ascends to 15,000 feet and then ascends 15,000 feet. How many feet above the ground is the plane?
A plane ascends to 15,000 feet and then ascends 15,000 feet. How many feet above the ground is the plane?

A plane ascends to 10,000 feet and then ascends 15,000 feet. How many feet above the ground is the plane?
A plane ascends to 10,000 feet and then ascends 15,000 feet. How many feet above the ground is the plane?

A plane ascends to 15,000 feet and then descends 10,000 feet. How many feet above the ground is the plane?
A plane ascends to 15,000 feet and then descends 10,000 feet. How many feet above the ground is the plane?

A plane ascends to 15,000 feet and then descends 15,000 feet. How many feet above the ground is the plane?

Answer 15

A plane ascends to 15,000 feet and then descends 15,000 feet. How many feet above the ground is the plane?