Math Functions
Unit 2 Vocab
Percent Terms
Unit 1 Vocab
Unit 6 Vocab
Unit 7 Vocab
Unit 5 Vocab
Unit 4 Vocab
100
What math function do you use to find the sum?
Addition
100
What is the point (0,0) called?
The origin
100
What does percent mean?
A ratio that compares a number 100
100
What is a unit rate?
A rate with a denominator of one
100
What is a variable?
A letter (or symbol) that represents one or more numbers
100
What is the word used for these:
Addition, subtraction, multiplication, division
Operations
100
What is the sign of the product of a positive and negative number?
Negative
100
What is a positive number?
A number greater than 0.
200
What math function do you use to find the difference?
Subtraction
200
Define proportion - use words or an example
An equation stating two ratios are equivalent.
a/b = c/d
200
What is the difference between repeating decimals and terminating decimals?
Repeating decimal has one or more digits that repeat forever.
Terminating decimals end.
200
What does a scale factor of less than one produce?
a reduction
200
What is the coefficient of the
y-term in the expression:
2x -5y + 3x + 6
-5
200
What do inverse operations do?
Give an example
They undo the operation
200
What math vocabulary word means "to flip a fraction"?
Reciprocal
200
Give an example of opposites
Answers may vary...
-5 and 5
9.25 and -9.25
300
What is the difference between an expression and an equation? Give an example.
An equation is a mathematical sentence that contains an equal sign between two expressions
expression: 5 + 7
equation: 5 + 7 = 12
300
What is the constant of proportionality?
The ratio between two directly proportional quantities
The unit rate
(y/x)
300
How do you set up a percent proportion?
%/100 = "part"/"whole"
%/100 = "is"/"of"
300
What is the first step to dividing mixed numbers?
ex:
(1 1/3)/ (2 5/7)
Convert the mixed numbers to improper fractions
300
How many terms does the expression
4y + 6x + 5x - 2y contain?
4 terms
300
In words what does this inequality say?
<=
Less than or equal to
300
What is the acronym for the order of operations?
PEMDAS
300
What is this question asking you to find?
|-25|
The absolute value of -25
400
What does it mean to simplify a fraction?
Answer in words or give an example
To reduce a fraction by dividing the numerator & denominator by their GCF.
400
What 2 things have to be true for a graph to be proportional?
1. Straight line
2. Goes through the origin
400
Define: percent of change.
The percent a quantity increases or decreases compared to the original number.
400
What is an equivalent ratio?
Use words or give an example
A comparison of two quantities with the same value
3/4 = 12/16
400
What are like terms?
Terms that contain the same variable, raised to the same power.
400
Define solution
The answer to a problem or the value of a variable
400
A term raised to the power of 3 is called...
cubed
400
Define integers and give an example.
All whole numbers, their opposites, and 0.
ex. 27, -25, 0
500
50 miles / hours
What word do we use for the
" / " symbol?
per
500
Write the equation of a line with a COP of 4
y = 4x
500
What is the difference between a markup and a discount?
Markups increase the price, discount lowers the price.
500
What are corresponding sides?
Use words or give an example.
Sides that are in the same location on two figures.
500
How do you apply the distributive property?
(in words or give an example)
Multiply the term on the outside of the parentheses to all terms inside the parentheses
ex:
2(x+1) = 2x+2
500
Write an inequality for the graph:
x<=3
500
Identify the 2 parts of this power:
4^8
4 is the base
8 is the exponent
500
What's the difference between rational numbers and integers?
Rational numbers include fractions and decimals