National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
Khan Academy
Khan Academy: Number Equations & Number Lines
Practice writing addition and subtraction equations to match number line diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Addition & Subtraction: Find the Missing Value
Practice finding the missing value in an addition or subtraction equation involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Shmoop University
Shmoop: Basic Operations: Adding Integers
Students learn how to add integers. The resource consists of notes, examples, and practice problems with solutions.