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Math Integers And Absolute Value
Test Description: Adding integers, making integers from real-world situations, absolute value
Instructions: Answer all questions to get your test result.
1) What is the correct integer to represent: a withdrawal of 10 dollars?
A
-10
B
20
C
-20
D
10
2) What is the correct integer for the following: a deposit of 1,000 dollars?
A
-1000
B
900
C
1000
D
-900
3) A shark was swimming at 300 feet below sea level. He swam up to the surface 300 feet. How many feet above sea level is the shark now?
A
-600
B
he did not swim anywhere
C
0; he is at sea level now
D
600
4) What is the absolute value of -8?
A
0
B
-8
C
8
D
there is no absolute value
5) What is the definition of absolute value?
A
the distance from one on a number line
B
the distance from zero on a number line
C
the negative distance to an additive inverse on a number line
D
the distance from a number's opposite on a number line
6) What is the definition of opposites?
A
two numbers that are not the same distance from zero
B
two numbers with the same signs and the same distance from zero
C
two numbers that are both on the negative side of the number line
D
two numbers that are the same distance from zero, but on opposite sides of the number line.
7) What is an additive inverse?
A
a number that adds with its opposite to cancel out and make zero
B
A number and its opposite, which are the same distance from zero
C
a number that adds with 0 to get that same number
D
a number that has an opposite
8) -12+7
A
19
B
-5
C
5
D
-19
9) -3+3
A
6
B
-6
C
-0
D
0
10) What is an example of an additive inverse?
A
4+4=8
B
-7+7=0
C
-9+2=-7
D
-3+2=-1
11) What is an example of opposites?
A
-2 and 2
B
-8 and 9
C
4 and 1
D
0 and 1
12) Choose the TRUE statement from the following
A
absolute value is always negative, because distance is always negative
B
absolute value is always positive, because distance is always positive
C
absolute value is always zero, because distance is always zero
D
absolute value is always whatever the number inside the absolute value signs is
13) 25+(-19)=
A
-44
B
-6
C
6
D
44
14) What is the rule for adding integers?
A
same signs subtract, different signs add
B
same signs add, different signs subtract; take the sign of the larger number
C
same signs add, different signs subtract.
D
same signs stay the same, different signs answer zero; take the sign of the smaller #
15) If I added this set of integers, what would be my steps?: -18+(-3)+4
A
use PEMDAS, subtract -18+(-3) to get -15, then subtract -15+-4 to get -19
B
use PEMDAS, add -18+(-3) to get -21, then add -21+4 to get -25
C
use PEMDAS, subtract -18+(-3) to get -15, then add -15+4 to get -11
D
use PEMDAS, add -18+(-3) to get -21, then add -21+4 to get -17
16) The temperature in Canada yesterday was -30 degrees. By this morning, it rose 10 degrees. What is the new temperature in Canada?
A
-40 degrees
B
40 degrees
C
-20 degrees
D
20 degrees
17) 4+(-2)
A
-2
B
6
C
-6
D
2
18) 45+5
A
50
B
40
C
-40
D
-50
19) Joey bought an Xbox 360 for 200 dollars. He took it home and plugged it in to play it, and it did not work. He took it back to the store and the manager refunded him 200 dollars. What is the correct expression and answer for this problem?
A
-200+(-200)= 400 dollars
B
200+200=400 dollars
C
400-200= 200 dollars
D
-200+200= 0 dollars
20) James borrowed 15 dollars from his sister. He babysat for 2 hours and gave her the 8 dollars he earned. How much does he still owe her?
A
-15+8= -7 dollars
B
-15+15= 0 dollars
C
15-2= 13 dollars
D
15+(-8)= 7 dollars
*select an answer for all questions
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