Unit 1
How to find Interquartile Range?
Order the data, find the median, Find Q1 and Q2(Median), Subtract Q1 from Q2.
How to turn fractions into decimals?
Divide the numerator by the denominator.
Find The Ratio
There are a dozen doughnuts. 4 pink frosting, 6 chocolate, and 2 red velvet. what is the ratio of pink frosting to red velvet to chocolate?
4:2:6
In order, what does P.E.M.D.A.S stand for?
Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
What is a open circle?
only greater than or less than.
What is Mean?
All numbers added together, then divided by how many were added.
What does KCR stand for?
Keep Change Reciprocal
a 3 pound turkey costs $31.97. How much is it per pound?
$10.65
What are variables?
The replacement for an unknown value.
What is a closed circle?
can be greater than or equal to or less than or equal to.
what is median?
The center number in a data set.
How to divide fractions?
Keep the first one, change division to multiplication, then flip the last fraction.
is 3/4/9/12 proportional?
Yes it is.
what is a coefficient?
The number attached to the variable.
True or false
1/12 > 3/18
FALSE
What is mode?
The most commonly used number.
How to multiply decimals?
Ignore the decimals, multiply normally, add the decimals back.
Definition of ratios?
A comparison of 2 quantities.
What is a constant?
A number that stays the same no matter what.
what is 3/4 < 7/12 an example of?
An inequality.
What is a histogram?
A graph that shows frequency distribution of continuous numerical data.
2/3 x 2/3
4/9
Definition of proportions?
A comparison of 2 equal ratios.
Find the solution for X
5x + 13 =48
X = 7
what symbol fits here?
8/19 __ 3/13
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