ADDING & SUBTRACTING INTEGERS
MULTIPLYING & DIVIDING INTEGERS
ORDER OF OPERATIONS
VOCABULARY
RATIONAL NUMBERS
100
Kari uses her debit card to buy $59 worth of groceries. Later she withdrawals $30 from her account. What integer represents the total change in her account?
-89
100
Evaluate
-7(9)
-63
100
Evaluate
5+(-12/3)
1
100
If you divide two numbers with different signs, what sign will the quotient have?
NEGATIVE
100
Which of the following numbers are repeating decimals?
1/2, 112.56, 3.bar451, 2/3
3.bar451, 2/3
200
Evaluate
12+(-14)
-2
200
Evaluate
a/b
if
a=-12, b=3
-4
200
Evaluate
3(4/-2)+4
-2
200
A number from the set {..., −3, −2, −1, 0, 1, 2, 3, ...} is called...
INTEGER
200
Which of the following best describes a fraction that can be written as a decimal using bar notation?
A) integer
B) decimal
C) repeating decimal
D) terminating decimal
C) repeating decimal
300
Evaluate
x+y
if
x=-18, y=-1
-19
300
It took Stephanie 48 minutes to swim 16 laps in the pool. What was the average amount of time it took to swim each lap?
3 minutes per lap
300
Evaluate
(ab)/c+d
if
a=-3,b=8,c=-12,d=5
7
300
Two integers that are opposites are called _______ and their sum is _____
ADDITIVE INVERSES and ZERO
300
What is the decimal representation of 5/6
0.8bar3
400
Evaluate
x-y
if
x=29, y=-16
45
400
Evaluate
108
400
Evaluate
(ab)/c^2-(a+b)
If
a=6,b=-8,c=-2
-10
400
The _______________ is 0 because a+0=a
Pick one of these:
Additive Inverse
Additive Identity
Opposite
Additive Identity
400
Write the fraction 11/20 as a decimal.
0.55
500
Find
21-(-8)
29
500
Jessica earned $595 for 35 hours of work. What is her hourly rate?
$17 per hour
500
a/k if a=0.45 and k=-3/4
-0.6
or
-3/5
500
Every decimal is a repeating decimal. A decimal with a repeating digit of zero is call a ___________.
Terminating Decimal
500
The area of a rectangle is found by multiplying the base and height. Find the area of the rectangle below.
21.45
600
Evaluate
a-b
if
a=-18, b=-7
-11
600
Evaluate
(-3)(7)(-2)
42
600
-0.5+2 1/4+1 5/8
3 3/8
600
Two rational numbers are ________ if they are represented on a number line by points that are the same distance from zero.
Choices:
opposites
integers
repeating decimals
terminating decimals
opposites
600
What is the average amount of change per week during this time?
-2.95
700
The table shows Nigel's best and worse scores, relative to 50 points, this quarter.
What is the range in Nigel's quiz scores for the quarter?
11
700
Steve’s sold his motorbike for $957.
If Steve spends $29 every day, how many days before he spends all of his earnings?
33 days
700
Maria brought $42.45 with her to the mall. After buying the following items, how much does she have left?
$21.01
700
The sum of a number and its _________ is zero.
Choices:
multiplicative inverse
additive inverse
reciprocal
additive inverse
700
-4/5div7/10
-1 1/7
800
The table shows the recent transactions in Sara's account.
What is Sara's balance after these transactions?
163
800
The table shows the number of tickets sold for the fall play each day last week.
What was the average number of tickets sold per day?
25
800
Nick has a total of 78 books in his collection. The average size of each book is shown below. He wants to buy shelves for his book collection. If each shelf is 20 inches wide, how many shelves will he need for the entire collection?
Each shelf can hold 16 books
20div1.25=16
so you would need 5 shelves for his entire collection because 4 wouldn't be enough.
78div16=4 7/8
800
When writing a fraction as a repeating decimal, use _______ to indicate the repeating digits.
a bar
800
-4/5(-7/8)
7/10