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7th Grade Vocabulary
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Terms in this set (24)
integer
the set of whole numbers and their opposites
rational number
any number that can be written as a ratio of two integers
numerator
the top number of a fraction
denominator
the bottom number of a fraction
add
Fill in the blank: "If the signs are the same you _________________ (add/subtract)"
subtract
Fill in the blank: "If the signs are different you _________________ (add/subtract)"
positive
Fill in the blank: "A negative times a negative is a _______________ (positive/negative)"
negative
Fill in the blank: "A negative times a positive is a _______________ (positive/negative)"
prime number
a number whose factors are only 1 and itself
composite number
a number that is not prime
reciprocal
the multiplicative inverse of a number
multiplicative inverse
a number when multiplied equals 1
dividend
a number to be divided by another number
divisor
a number by which another number is to be divided
terminating decimal
a decimal which can be expressed in a finite number of figures
repeating decimal
a decimal in which a figure or group of figures is repeated indefinitely
expression
a mathematical phrase that contains operations, numbers, and/or variables
term
anything that is being added or subtracted in an expression
variable
a symbol used to represent an unknown quantity that can change
coefficient
the number you are multiplying the variable by in an expression
like terms
terms whose variables are the same
the distributive property
a times the quantity of b plus c equals a times b plus a times c
greatest common factor
the largest factor of a set of two or more numbers
factor
numbers you can multiply together to make another number
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