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### 22 Cards in this Set

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• Back
 Consecutive Integers Integers in counting order defining a variable Choosing a variable to represent on of the unspecified numbers in a problem and using it to write expressions for the other unspecified numbers in the problem. dimensional analysis The process of carrying units throughout a computation. equivalent equations Equations that have the same solutions. extremes In the rations a/b =c/d, a and d are the extremes. formula An equation that states a rule in the relationship between certain quantities. four-step problem solving 1. Explore the problem 2. Plan the solution 3. Solve the problem 4. Check the solution identity Equations that are true for all values of the variables. means The middle terms of the proportion. mixture problem Problems in which two or more parts are combined into the whole. 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 ration of an amount of decrease to the previous amount, expressed as a percent. percent of increase The ration of an amount of increase to the previous amount, expressed as a percent. Proportion An equation of the form a/b =c/d stating that two ratios are equivalent. ratio A comparison of two numbers by division. rate The ratio of two measurements having different units of measure. scale The ratio or rate used when making a model of something that is to large or to small to be conviently shown at actually size. solve an equation The process of finding all values of the variable that make the equation a true statement. uniform motion problems Problems in which an object moves at a certain speed, or rate. 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.