Learners use the Base Minus One Complement method to do octal subtraction.

Students use the Base Minus One Complement method to perform hexadecimal subtraction.

Students view the steps for subtracting complex numbers in Excel.

Students use the Base Minus One Complement method to perform binary subtraction. This learning activity has audio content and immediate feedback.

In this highly interactive and animated object, learners follow a step-by-step process to reduce algebraic fractions, which contain no addition or subtraction, to their simplest, most elementary form. Immediate feedback is provided. This activity has audio content.

In this interactive object, learners follow step-by-step instructions for reducing algebraic fractions, which contain addition and/or subtraction, to their simplest form. This activity has audio content.

In a series of practice problems, learners use the addition or subtraction method to solve systems of linear equations, also called "simultaneous linear equations."

Learners read definitions of the terminology associated with algebraic operations and then follow steps to simplify algebraic expressions.

In this learning activity you'll perform subtraction calculations using borrowing with mixed number fractions.

In this learning activity you'll solve three binary subtraction problems using the 2's complement method.