7th grade vocabulary part 1

The constant ratio by which two quantities co-vary in a proportion; also called the unit rate or constant ratio

The set of positive whole numbers, their opposites and zero

An equation that shows that two ratios are not equivalent are called proportions

The distance a number is from zero on a number line. Always positive

A ratio that compares a number to 100 is called an expression

A fraction in which the numerator and/or the denominator is a fraction is called a complex fraction

The commutative property of add/mult says the order of the two addends or factors doesn't affect the sum or product

Factors whos product is 1

A comparison of two numbers; written a/b, a:b, a to b

Percent change formula is this.... percent change = (final value-initial value)/initial value x 100

To solve a problem

A number that divides evenly into another number

The initial amount of money borrowed or saved

A number that can be expressed as the ratio a/b where a & b are integers

The order in which operations in an expression to be evaluated are carried out; PEMDAS

A term is a letter or symbol that represents an unknown value

A mathematical phrase that contains operations, numbers, and/or variables

Two ratios that have the same value are equivalent ratios

A property of addition & multiplication that states the order of the groupings on numbers do not affect the answer

addends whos sum is 0

A decimal number that ends or terminates

The point named by (0,0) on a coordinate grid, where the axes intersect is called the origin

Part of an algebraic expression

Factors whose product is 1 are called rational numbers

A number sentence that compares two unequal expressions

A decimal that repeats a digit or group of digits forever

The percent that a measured value differs from the accepted value

The largest number common to two or more terms is the GCF, greatest common factor

This is an example of the distributive property: 4(3+6) is the same as (4X3) + (4X6)

The number that is multiplied by a variable, such as 2 in 2x

The percentage of amount borrowed to be added to the amount loaned and paid back is called the percent error.

An equation that describes the relationship between the part, whole, and percent is not the percent equation.

A ratio that compares two quantities that have different units of measure

A unit rate is a rate in which the second quantity in the comparison is 1 unit

A value that does not change - a number