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lesson 1-1
lesson 1-2
lesson 1-3
lesson 1-4
100
a symbol or letter that can be replaced by a number
What is a variable
100
a collections of objects or numbers
What is a set
100
the overlap of what 2 sets have in common
What is the intersection
100
an expressions with only numbers
What is a numerical expression
200
a set of numbers with a verb, like = or >
What is sentence
200
An object or number in a set
What is element
200
all elements in both sets
What is union of sets
200
an expression with one or more variables
What is an algebraic expression
300
A sentence with one or more variables
What is an open sentence
300
numbers 0 and up, no fractions or negative numbers
What are whole numbers
300
Diagram using circles to show union and intersection of sets
What is a Venn diagram
300
what acronym ( short saying) helps you remember the order of operations
What is PEMDAS
400
a sentence with no variables
What is closed sentence
400
a set of numbers that includes negatives and positives but no fractions
What are integers
400
a set of numbers between 2 numbers
What is an interval
400
finding the numerical value of an expression
What is evaluating
500
a sentence with an equal sign
What is an equation
500
all values that may be substituted for a variable
What is the domain
500
end numbers of an interval
What are endpoints
500
all numbers, fractions, positives, negatives but not the square root of -16
What are real numbers