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22 Cards in this Set

  • Front
  • 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.
In the rations a/b =c/d, a and d are the extremes.
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
Equations that are true for all values of the variables.
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.
An equation of the form a/b =c/d stating that two ratios are equivalent.
A comparison of two numbers by division.
The ratio of two measurements having different units of measure.
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.