Any sign, whether positive or negative placed in front of a number indicate the quality of the number. For example, a positive sign (+) indicate a positive quantity, and a minus sign (−) to indicate a negative quantity.Learning to use signed numbers is an introduction to some of the special rules for algebraic operations.

Example:

-9, +6, +1, - 4, +5

In this set, students will not only learn how to do operations with signed numbers, they will also learn the following:

Each number in arithmetic can be represented by a point on a horizontal line.

The absolute value of a number is the distance of that number from zero.

Operations with Signed Numbers