5 Written Questions

1. the sum of the product of the number of units and the value per unit divided by the sum of the numbers of units, represented by M.
2. in the ratoin a/b = c/d, a and d are the extremes.
3. the ratio of the amount of decrease to the previous amount, expressed as a percent.
4. the ratio of 2 measurements having different untis of measure.
5. step 1; explore the problem.
   step 2; plan the solution.
   step 3; solve the problem.
   step 4; examine the solution.

5 Matching Questions

1. percent of change
2. multi step equations
3. definding a variable
4. subtraction property of equality
5. percent of increase

1. a to solve equations with more than one operation.
2. b when an icrease or decrease is expressed as a percent.
3. c similar to additive property of equality there is subtraction property of equality that mat be used to solve equations.
4. d choosing a variable to represent one of the unspecified numbers and using it to write expressions for other unspecified numbers.
5. e the ratio of an amount of increase to the previous amount, expressed as a percent.

5 Multiple Choice Questions

1. problems in which two or more parts are combined into a whole.
   1. mixture problem
   2. uniform motion problem
   3. formula
   4. extremes
2. an equation stating that 2 ratios are equal.
   1. identity
   2. proportion
   3. formula
   4. ratio
3. if the equation is true and each side is divided by the same nonzero number, the resulting equatioin is true.
   1. division property of equality
   2. subtraction property of equality
   3. mulitiplication property of equality
   4. addition property of equality
4. problems in which an object moves at a certain speed or rate.
   1. percent of increase
   2. proportion
   3. mixture problem
   4. uniform motion problem
5. the product of the extremes is equal to the product of the means.
   1. scale
   2. rate
   3. means
   4. ratio

5 True/False Questions

1. ratio → a comparison of 2 numbers by division.

   True        False

2. solve an equation → the process of finding all values of the variable that make the equation a true statement.

   True        False

3. mulitiplication property of equality → similar to additive property of equality there is subtraction property of equality that mat be used to solve equations.

   True        False

4. formula → an equation that states a rule for the relationship between certain quantities.

   True        False

5. identity → an equation that is true for every value of the variable.

   True        False