One strategy for figuring out the number of factors a number has is to use factor rainbows. This resource provides a visual for your students. You can use this to create a vibrant and useful bulletin board or to create stunning rainbows to hang from your ceiling. Help your students become more fluent in multiplication and division while creating beautiful decor for your classroom! *** This resource includes:*** Teacher Tip sheet with tips to make this resource a success in your classroom Colo