Signs of products and quotients

The topic  appears under the 7th Grade Math Mission. This exercise practices the various rules for products and quotients of positive and negative numbers.

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


 * 1) Mark whether the expression will be positive or negative: This problem provides a chart with four expressions involving numbers or possibly variables. The student is asked to use the provided information to determine whether the result of the expression will be positive or negative and indicate the answer in the grid.Rfmadnn1.png

Strategies
Knowledge of arithmetic operations on integers can assist on this problem, specifically knowing the multiplication and division rules.
 * 1) Some of the problems will have only numbers, and some will have variables.
 * 2) There can be more than one variable, and the variables can be assigned either positive or negative values, so it is important to read carefully to ensure accuracy.
 * 3) To increase speed, try counting the number of negatives and the number of negative variable types. If there is an even number of negatives the result will be positive. If there is an odd number, it will be negative.