Adding Integers — Quiz Answers

10 verified answers1 views
1
Free Preview

Which expression has the same sum as the one given? negative 15 plus 6

A
15 plus negative 6
B
negative 6 plus negative 15
C
15 plus 6
D
6 plus negative 15
2
Free Preview

Sean says that to add a number to negative 100 and still have negative 100 is to add zero. Candice says that she can add two numbers to negative 100 and still have negative 100 Who is correct and why?

A
Sean is correct because adding any numbers other than zero will result in a different number.
B
Candice is correct because if the two numbers total 100 , then the sum will be negative 100 .
C
They are both correct because adding two numbers that are opposites is equivalent to adding zero.
D
Neither is correct because adding any number to negative 100 will result in a different number.
4

Ahmed is riding the elevator in a building. The building has floors above and below ground level. Ahmed uses the given expression to describe his movement. 6 plus negative 8 Which statement could describe Ahmed’s movement?

A
Ahmed started 6 floors above ground level, then he went down 8 floors.
B
Ahmed started 6 floors below ground level, then he went up 8 floors.
C
Ahmed started 6 floors below ground level, then he went down 8 floors.
D
Ahmed started 6 floors above ground level, then he went up 8 floors.
5

Morena, a scuba diver, used the given expression to describe her position in relation to sea level. 0 plus negative 15 plus 6 Which statement could describe the diver’s movements?

A
Morena started at sea level, dove down 15 feet, then dove down 6 more feet.
B
Morena started at sea level, dove down 15 feet, then rose up 6 feet.
C
Morena started at 15 feet above sea level, then dove down 6 more feet.
D
Morena started at 15 feet below sea level, then dove down 6 more feet.
6

Rita is adding 3 plus negative 8 plus 1 She rewrites the expression as 3 plus negative 1 plus 8 What is Rita’s error?

A
In the new expression, negative 8 and 1 should both be negative.
B
She switched the negative signs for negative 8 and 1 .
C
She used the associative property which should only be used with positive numbers.
D
She used the commutative property, which cannot be used with negative numbers.
9

Which expression has the same value as the one given? 8 plus open bracket 4 plus negative 9 close bracket

A
negative 12 plus 9
B
4 plus negative 9
C
12 plus negative 9
D
negative 4 plus negative 9
10

A meteorologist used the given expression to describe how the temperature changed. negative 5 plus negative 4 Which statement could describe how the temperature changed?

A
The temperature was 5 degrees, then it increased 4 degrees.
B
The temperature was negative 5 degrees, then it increased 4 degrees.
C
The temperature was negative 5 degrees, then it decreased 4 degrees.
D
The temperature was 5 degrees, then it decreased 4 degrees.

Did you find these answers helpful?

Adding Integers — Quiz Answers — Grade 7…