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

Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.

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

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

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

In this learning activity you'll analyze political cartoons following a two-step process to unlock their meaning.