+/- Numbers & Absolute Value
Write the following as a positive or negative number:
The temperature was 21 degrees colder in the morning.
-21
List 3 numbers that can be divided by 2.
answers will vary
How do you convert a fraction to a decimal?
Give an example.
Divide the top number by the bottom number.
If something has a discount, the new price will be ________ expensive.
less
What is the difference between an expression and an equation?
Expressions do not have equal signs or answers, while equations do.
The opposite of 37.
-37
List all of the factors of 18.
1,2,3,6,9,18
How do you convert a decimal to a percentage?
Give an example.
Move the decimal two place to the right OR multiply by 100.
If something has tax or tip, the new price will be ______ expensive.
more
Constant: Stands ALONE
Coefficient: Number ATTACHED TO/IN FRONT OF variable
The opposite of the opposite of 23.
23
List the first five multiples of 9.
9,18,27,36,45
Convert .132 to a percentage.
13.2%
Cory got his nose pierced for a 40% discount. What is the discount rate? What is the decimal?
40%, .40
7x + 8x - 3x - 12
Terms:
Variable(s):
Coefficient(s):
Constant(s):
Terms: (4) 7x, 8y, -3x, -12
Variables: x
Coefficients: 7,8,-3
Constant: -12
|-23|=_______
23
Find the GCF of 15 and 18.
3
.83, 83%
Cory got his nose pierced for a 40% discount. It usually costs $98.00. What was Cory's discount? How much did he pay?
Discount: $39.20 (.40 x 98.00)
New total: $98.00-39.20= $58.80.
9x - 3y + 5x + 13
Terms:
Variable(s):
Coefficient(s):
Constant(s):
Like Terms:
Terms: (4) 9x, -3y, 5x, 13
Variable(s): x and y
Coefficient(s): 9,-3,5
Constant(s):13
Like Terms: 9x & 5x
-|-23|=________
-23
X/12=7/3
x=?
28
Convert 14/12 into a decimal, and then a percentage.
1.167, 117%
Mr. G bet $120 on a basketball game and it included 8% tax. How much did he pay in total?
8%--> .08
.08 x $120= $9.60
$9.60 + $120 = $129.60.
Write your own expression with at least 3 terms and identify the terms, variable(s), coefficient(s), constant(s), and like term(s), if any.
Answers will vary.