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lessons:107,&108,algebraic expression
congecture,operation
coefficient ,variable,counterexample,property.
lesson:109&110.,111product distributive property,order of operation,diffrence,,term,distrubutive,property,sum

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Lesson 112 - 113 - 114

Algebraic expression : a mathematical phrase that contains numbers or constants, variables, and operations

Perimete r : the total distance around any shape

Variable : a symbol for a number that is not yet known

Term : a single number (constant), variable, or numbers and variables multiplied or divided together

Simplest form : an expression that cannot be simplified further

Constant : a number on its own

Like terms : terms that have the same variable

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Lesson 115 - 116

Combine like terms : to add or subtract the coefficients of terms with the exact same variable

Parallel : when two lines never touch

Perimeter : the distance around a two-dimensional shape

Coefficient : a number used to multiply a variable

Term : a number, variable, or combination of numbers and variables being multiplied together

Linear expression : an expression with variables that have an exponent of 1; variables in an expression are not multiplied or divided

Constant : numbers, symbols, and operations combined to show the value of something

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117 - 120
Line segment .
( a part of a line that has endpoints)
additive inverse .
( a number that when added to a given number gives zero )

Lesson 119 .

area.
( The number of units that a surface consists of )
factored form.
( when a linear expression is expressed as the product of it's factor )
greatest common factor .
(the largest number that is a factor of two or more numbers )
prime factorization .
( expressing a composite number as the product of all of its prime factors )
composite number .
( a number greater than 1 with more than two factors )
area model .
( a diagram that can be used to represent the length , width , and area of a rectangle )
binomial .
( an expression with two terms that has a plus or minus sign separating the two terms )
prime number .
( a number greater than 1 that is only divisible by 1 and itself )
monomial .
( an expression that has one term )
factor
( a number that you multiply with another number )
factor tree .
( a diagram that shows the prime factorization of a number )
common factor .
( a number that is the factor of two or more numbers )

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lesson 118 key terms :
line segment :  a part of a line that has two endpoints.

algebraic expression :  a mathematical phrase that contains numbers or constants, variables, and operators.

Distributive Property :
an arithmetic property that states that multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together; also works with subtraction.

additive inverse :
a number that when added to a given number gives zero.

constant :
a number on its own.

like terms :
terms that have the same variable .

lesson 119 key terms :
area :
the number of units that a surface consists of.

factored form:

when a linear expression is expressed as the product of its factors.

greatest common factor :
the largest number that is a factor of two or more numbers.

prime factorization :
expressing a composite number as the product of all of its prime factors.

composite number :
a number greater than 1 with more than two factors.

area model :

a diagram that can be used to represent the length, width, and area of a rectangle.

binomial :
an expression with two terms that has a plus or minus sign separating the two terms.

prime number :

a number greater than 1 that is only divisible by 1 and itself.

monomial :
an expression that has one term.

factor :
a number that you multiply with another number.

factor tree :
a diagram that shows the prime factorization of a number.

common factor :
a number that is a factor of two or more numbers .