MATH 1.1 Review
Find the absolute value.
|-7|
7
-5 + (-3)
-8
4 - 12
-8
What is the term for the answer to a multiplication problem?
Product
What is the term for the answer to a division problem?
Quotient
Order from LEAST to GREATEST
|5|, -1, 8, |-1|, |4|, -13
-13, -1, 1, 4, 5, 8
8 + (-5) + (-12)
-9
-6 + 15 - (-15)
24
When multiplying the same signs, the product is _________.
When multiplying different signs, the product is _________.
Positive
Negative
Show the 3 different division formats.
Linear/Classic, Long Division, and Fraction
-|56|
-56
-11 + (18) + (-12)
-5
8 - 12 - (-6)
2
-23 × 6
-138
Find the mean for the number set.
{4, 6, 2, 8, 5}
5
Write an integer whose absolute value is greater than itself.
*ANY negative number*
Example: |-6|
It will be –12 degrees tonight. The weatherman predicts it will be 25º warmer by noon tomorrow. What will the temperature be by noon tomorrow?
13 degrees
t - (-14) = -24
t = -38
-33
-27
-18/2
-9
There is one integer for which another integer does not exist with the same absolute value. What is that integer?
0
An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors.
Write an expression to solve, using addition only.
20 + (-11) + 5 = 14
The top of a sailboat mast is 22 feet above the water surface. The bottom of the sailboat is 3 feet below the water surface. What is the difference in the elevations?
22 - (-3) = 25 feet
9 + (-3) × 12/4
0
If a group of 4 friends shares a $60 bill equally, how much does each person pay?
$15
SURPRISE: How many continents are there?? How many oceans are there?? You must answer BOTH.
There are 7 continents and 5 oceans.
How can you tell if the sum of two integers with different signs will be positive or negative?
The sum will have the same sign as the integer with the greater absolute value.
The elevation of the tallest ride at Six Flags is 242 feet. The lowest elevation of the shortest ride at Six Flags goes underground to a depth of -17 feet. What is the range of elevation?
242 - (-17) = 259 feet
A submarine dives deep into the ocean. If it goes down 14 meters every minute, how far down does it descend after 4 minutes?
-56
Your family of 5 is going on a trip to Disneyland. The flights cost $585. The tickets to the park cost $515. How much did they pay per person?
$220