Write the expression
Equations
PEMDAS
Distributive property
Vocabulary
Mean, Median, Mode and Range
100
John has x amount of candy. Suzy has 5 more than him.
Write the expression that represents this.
x + 5
100
x - 34 = 60
Solve for x
x = 94
Do the OPPOSITE of subtraction!
60+34 = 94
x=94
100
Solve:
3+5*2
5 x 2 FIRST
THEN add 3.
13.
100
Solve: 3(2)
6
100
In math, what is the term "variable" used for?
A number you do not know.
100
Find the lower quartile, and upper quartile.
upper quartile is 105. Lower quartile is 85. It's the edges of the box.
It's the line or dot in the box.
200
Tasha has x amount of oreos. Vance has three times more.
Write the expression that represents this.
3x
OR
3*x
200
3x = 27
Solve for x
x = 9
200
32+1
10
3x3 first
THEN + 1
200
Simplify:
2(5x)
10x
200
What is a numerator?
The top number of a fraction.
200
Find the Minimum, median, and maximum of the data.
Upper Quartile:115
Median: 100
Lower Quartile: 75.
300
Sunny has x dollars. Joe has fifteen less than him.
Write the expression that represents this.
x - 15
300
x/5 = 40
Solve for x
x = 200
Fractions are DIVISION
Do the OPPOSITE!!!
5x40 = 200
300
4*3+6*2
Evaluate:
FIRST 4 * 3 = 12
THEN 6 * 2 = 12
THEN add them together.
12+12 = 24.
300
3(2x + 1)
6x + 3
3 x 2x = 6x
3 x 1 = 3
6x + 3
300
What is area and how do you find it?
Area is the inside space of a figure. You multiply the length times width.
300
What is the range of Martin's apples' weights?
115 - 75 = 40
Range = 40
400
Indy has double the tickets that Tommy has. Tommy has x tickets.
Write the expression that represents this.
2x
OR
2*x
400
Solve for x.
-2x=30
x = -15
30 divided by -2 = -15
400
Evaluate:
5+(3*4)^2
Parenthesis FIRST. (3*4) = 12
THEN to the power of 2. 12 x 12 = 144
THEN plus 5.
144 + 5 = 149
400
5(x + 12)
5x + 60
5 x 1x = 5x
5 x 12 = 605x + 60
400
What is volume and how do you find it?
Volume is the INSIDE space that an object takes up.
Volume is length x width x height
400
Find the Interquartile range. (IQR)
Subtract the upper quartile from the lower quartile.
105 - 85 = 20
500
Bob has three more than twice as many dollars as Paul. Paul has x dollars.
Write the expression that represents how much money Bob has.
Bob has 2x + 3 dollars
OR 3+2x dollars
500
Solve for x.
2x + 10 = 50
x = 20.
2 x 20 + 10 = 50.
500
Evaluate:
2*(2+3)*3^2
Parenthesis first: 2+3=5
THEN EXPONENTS 3*3 = 9
Now you have
2*(5)*9
Now just multiply across: 2*5 =10 * 9 = 90.
500
Simplify:
8(2x - 5y)
16x - 40y
500
What is a coefficient, and what does it mean to do?
A coefficient is the number NEXT to the variable.
It means to multiply that number to the variable.
3x means 3 TIMES x.
500
{3, 5, 10, 8, 12, 20, 5 }
Find the:
Mean _______ Median ________ Mode ______ Range ________
Mean = 9
Median = 8
Mode = 5
Range = 17