Are your students struggling with the concept of composing and decomposing numbers? Do you need hands on activities to introduce and teach decomposing and composing numbers? This resource is for you! This unit was created to introduce students to composing and decomposing numbers. These activities use a very specific type of blocks but you can use snap cubes. All of the activities are meant to be hands on using blocks. This decomposing and composing creation includes center activities, practice