AnswersGrade 7 MathematicsOperations with Integers

Operations with Integers — Test Answers

24 verified answers
1
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A submarine is positioned negative 1 comma 525 feet in relation to sea level. The submarine needs to be negative 1 comma 865 feet below sea level in 20 minutes. Which best represents the rate at which the submarine needs to travel?

A
169 point 5 ft/min
B
17 ft/min
C
negative 17 ft/min
D
negative 169 point 5 ft/min
2
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During a football game, a team lost 12 yards on the first play and then gained 5 yards on each of the next 3 plays. Which method finds the total yards at the end of the first four plays?

A
add 12 to 3 times 5
B
add 12 , 5 , and 3
C
add negative 12 , 5 , and 3
D
add negative 12 to 3 times 5
3

Which number line plots the integers negative 2 , 3 , and 4 ?

A
Image with description A vertical number line from negative 5 to 5 by 1s. There is a point 4 tick marks below 0. There is a point 3 tick marks below 0. There is a point 2 tick marks above 0.
B
Image with description A vertical number line from negative 5 to 5 by ones. There is a point 3 tick marks below 0. There is a point 2 tick marks below 0. There is a point 4 tick marks above 0.
C
Image with description A vertical number line from negative 5 to 5 by 1s. There is a point 2 tick marks above 0. There is a point 3 tick marks above 0. There is a point 4 tick marks above 0.
D
Image with description A vertical number line from negative 5 to 5 by 1s. There is a point 2 tick marks below 0. There is a point 3 tick marks above 0. There is a point 4 tick marks above 0.
4

What is the product? 6 times negative 12

A
negative 72
B
82
C
negative 82
D
72
5

Which number is the additive inverse of negative 5 ?

A
1 over negative 5
B
0
C
5
D
1 fifth
6

Hector must find the sum of 50 plus 83 plus 50 by using mental math. Which property allows Hector to simplify the equation to 50 plus 50 plus 83 and find an equivalent sum?

A
commutative property
B
distributive property
C
associative property
D
identity property
7

Which expression is undefined?

A
0 divided by 8
B
negative 8 divided by negative 8
C
negative 8 divided by 8
D
8 divided by 0
9

Which expression is equivalent to 5 times open paren 2 plus 7 close paren ?

A
5 times 2 plus 7
B
2 plus 7 times 5
C
5 times 2 plus 5 times 7
D
2 times open paren 5 plus 7 close paren
10

What is the absolute value of negative 8 ? Use the number line to help answer the question. Expand Image

A
negative 8
B
negative 16
C
8
D
16
11

How is the product of 4 and 2 shown using integer tiles?

A
Image with description There are four groups of two integer tiles each labeled with a negative sign.
B
Image with description There is a group of 4 integer tiles each labeled with a negative sign. There is another group of 2 integer tiles each labeled with a negative sign.
C
Image with description There are four groups of two integer tiles each labeled with a plus sign.
D
Image with description There is a group of 4 integer tiles each labeled with a plus sign. There is another group of 2 integer tiles each labeled with a plus sign.
12

Rashal is adding the given expression. negative 3 plus open bracket negative 7 plus negative 6 close bracket First, he rewrites the expression. open bracket negative 3 plus negative 7 close bracket plus negative 6 Which number property did Rashal use to rewrite the expression?

A
associative property
B
commutative property
C
identity property
D
distributive property
13

Kyle’s account was overdrawn so that the account showed 9 dollars less than zero. Kyle deposited 25 dollars in the account. The next day he withdrew 10 dollars Which expression finds the amount Kyle then had in the account?

A
negative 9 plus 25 minus 10
B
9 plus 25 minus 10
C
9 minus 25 plus 10
D
negative 9 minus 25 minus 10
14

When multiplying two negative integers, what is the sign of the product?

A
zero
B
one
C
positive
D
negative
15

What is the difference between negative 4 and 6 ?

A
10
B
negative 10
C
2
D
negative 2
16

What is the difference between the absolute value of negative 8 and the absolute value of 6 ?

A
14
B
2
C
16
D
8
17

Which expression has the same value as negative 18 divided by negative 9 ?

A
negative 8 divided by negative 4
B
negative 10 divided by 5
C
negative 12 divided by negative 3
D
negative 18 divided by 2
18

Which expression has a negative value?

A
10 minus negative 18
B
2 plus 12
C
negative 35 divided by 5
D
negative 3 times negative 8
19

How many of the students created an expression that was equivalent to the original?

A
two
B
four
C
three
D
one
20

What is the sum of negative 8 plus 6 ?

A
14
B
negative 2
C
2
D
negative 14
21

Which addition does the given model represent?

A
5 plus 3
B
5 plus negative 3
C
2 plus negative 3
D
8 plus negative 3

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