AnswersSS-Math 7Integers and the Number Line

Integers and the Number Line Answers

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Owen plots the numbers 4, –6, –8, and –3 on a horizontal number line. Which list shows the numbers in the order in which they would appear from left to right on the number line?

A
–8, –6, –3, 4
B
–3, –6, –8, 4
C
–3, 4, –6, –8
D
–8, –6, 4, –3
2
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Which situation is best represented using a negative integer?

A
a deposit of $35 into a bank account
B
the temperature decreasing by 18º
C
an additional 5 gallons of gas being put into a car
D
a student reading today for 20 minutes longer than yesterday
3

Jessica increases the temperature of a block of ice by 20º. Which integer represents the amount by which Jessica must change the temperature for the block of ice to return to its starting temperature?

A
–40
B
–20
C
20
D
40
4

Javier writes an integer on a piece of paper. The absolute value of his number is less than 4. Which is true of the possible values of Javier’s number?

A
The possible values are less than 4.
B
The possible values are less than –4.
C
The possible values are less than 4 but greater than –4.
D
The possible values are either greater than 4 or less than –4.
5

Ingrid spends $120 on car repairs. Which integer represents the amount of money Ingrid must earn in order to create a zero pair?

A
–240
B
–120
C
120
D
240
6

Bernita and Derek each plot a number on a number line. The numbers are unique but have the same absolute value. The sum of the absolute values of the numbers is 150. What are the two numbers?

A
0 and 150
B
–75 and 75
C
–150 and 150
D
–300 and 300
7

What is the difference between the absolute value of 4 and the absolute value of –3?

A
1
B
4
C
7
D
8
8

Which number line plots the integers –8, –4, and 11?

A
A number line going from negative 12 to positive 12. Points are at negative 8, negative 4, and 11.
Option A
B
A number line going from negative 12 to positive 12. Points are at negative 10, negative 4, 11.
Option B
C
A number line going from negative 12 to positive 12. Points are at negative 4, negative 2, and 11.
Option C
D
A number line going from negative 12 to positive 12. Points are at negative 4, negative 2, and 13.
Option D
9

Which number line plots the integers –12, –3, and 7?

A
A number line going from negative 15 to positive 10. Points are at negative 12, negative 3, and 7.
Option A
B
A number line going from negative 15 to positive 10. Points are at negative 8, negative 3, and 7.
Option B
C
A number line going from negative 15 to positive 10. Points are at negative 12, negative 8, and negative 3.
Option C
D
A number line going from negative 15 to positive 10. Points are at negative 12, negative 8, and 3.
Option D
10

Brandie lives on the twelfth floor of her apartment building. She walks up 2 flights to visit a friend and then up 3 more flights to deliver a message to a neighbor. Which integer best represents the number of flights Brandie has walked?

A
–12
B
–1
C
5
D
7

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