Writing expressions with variables and parentheses

The topic  is a topic under the 6th Grade Math Mission. This exercise translates English into mathematical expressions.

Types of Problems
There is one type of problem in this exercise:


 * 1) Select the expression: This problem provides an English sentence involving mathematical operations, numbers and variables. The student is asked to select the correct answer from a multiple choice list.We2-1.png

Strategies
This exercise is medium to get accuracy badges because reading the order of the numbers can be subtle. Speed badges are easy because it is possible to locate key phrases to help with selection of the correct answer.
 * 1) All operations appear to be used often in these problems.