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
Find
21-(-8)
29
Evaluate
-7(9)
-63
Evaluate
a/b
if
a=-12, b=3
-4
Evaluate
5+(-12/3)
1
If you divide two numbers with different signs, what sign will the quotient have?
NEGATIVE
Evaluate
12+(-14)
-2
Evaluate
a-b
if
a=-18, b=-7
-11
Evaluate
-9(-12)
108
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
Evaluate
3(4/-2)+4
-2
A number from the set {..., −3, −2, −1, 0, 1, 2, 3, ...} is called...
INTEGER
Evaluate
x+y
if
x=-18, y=-1
-19
Evaluate
x-y
if
x=29, y=-16
45
Evaluate
(-3)(7)(-2)
42
Jessica earned $595 for 35 hours of work. What is her hourly rate?
$17 per hour
Evaluate
(ab)/c+d
if
a=-3,b=8,c=-12,d=5
7
Two integers that are opposites are called _______ and their sum is _____
ADDITIVE INVERSES and ZERO
The table shows the recent transactions in Sara's account.
What is Sara's balance after these transactions?
164
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
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
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
Evaluate
(ab)/c^2-(a+b)
If
a=6,b=-8,c=-2
-10
The _______________ is 0 because a+0=a
Pick one of these:
Additive Inverse
Additive Identity
Opposite
Additive Identity