Interpreting the structure of expressions

The  exercise appears under the Algebra I Math Mission. This exercise provides several types of word problems and many different answer selection modes.

Types of Problems
There are four types of problems in this exercise:


 * 1) Interpret the meaning of the variables and numbers: This problem provides a word problem. The student is asked to select the meaning of each in a list of variables and numbers as related to the word problem.Itsoe1.png
 * 2) Select the correct answers to the problem: This problem provides a word problem. The student is asked to select the correct answers from multiple-choice lists and drop-down menus.Itsoe2.png
 * 3) Find a formula for the situation: This problem provides a mathematical situation in which the student is asked to find or use a formulas based on some examples.Itsoe3.png
 * 4) Select and insert the correct answers: This problem provides a word problem. The student is asked to select some correct answers from drop-down menus and also provide a correct numerical solution.Itsoe4.png

Strategies
Knowledge and comfort with word problems is important for this exercise.
 * 1) This problem is not very appropriate in the current subsection of the Math Mission. There are no inequalities.
 * 2) There may be some ways to plug in numbers to help with accuracy.
 * 3) Research will have to continue to work to find some efficiency tips.

Real-life Applications

 * 1) The interpretations of variables and numbers in this exercise can be used in linear programming.
 * 2) Developing formulas is a useful mathematical technique that this exercise introduces. Recognizing patterns and deducing reasons for the pattern to continue.