Negative number multiplication and division: equivalent expressions

The  exercise appears under the 7th grade (U.S.) Math Mission. This exercise practices.

Types of Problems
There is one type of problem in this exercise:
 * 1. Which of the following expressions are equivalent? This problem has an expression and the student is asked to find which other expression is equivalent to it.

Strategies
Knowledge of negative numbers and algebraic expressions are essential to ensure success in this exercise.
 * 1. The numbers in this exercise are relatively small, so this exercise is easier to attain speed badges.