22 terms

consecutive integers

Integers in counting order.

dimensional analysis

The process of carrying units throughout a computation.

equivalent equations

Equations that have the same solution.

extremes

In the proportion a/b=c/d, a and d are the extremes.

formula

An equation that states a rule for the relationship between two quantities.

identity

An equation that is true for every value of the variable.

literal equation

A formula or equation with several variables.

means

In the proportion a/b=c/d, b and c are the means.

multi-step equations

Equations with more than one operation.

number theory

The study of numbers and the relationships between them.

percent of change

When an increase or decrease is expressed as a percent.

percent of decrease

The ratio of an amount of decrease to the previous amount, expressed as a percent.

percent of increase

The ratio of an amount of increase to the previous amount, expressed as a percent.

proportions

An equation of the form a/b=c/d, where b and d cannot be zero, stating that two ratios are equivalent.

rate

The ratio of two measurements having different units.

ratio

A comparison of two numbers by division.

scale

The relationship between the measurements on a drawing or model and the measurements of the real object.

scale model

A model used to represent an object that is too large or too small to build at actual size.

solve an equation

The process of finding all values of the variable that make the equation a true statement.

unit analysis

The process of including units of measurement when computing.

unit rate

A ratio of two quantities, the second of which is one unit.

weighted average

The sum of the product of the number of units and the value per unit divided by the sum of the number of units, represented by M.