Spring Math Centers Ideas Video | April Showers Bring May Flowers Bulletin Board Tips | 3rd-8th Grade Math Spiral Review Flower Craft Idea. Looking for a simple way to keep your students engaged during those high-energy spring months? In this video, I’m sharing easy and effective ideas for turning your math block into something creative, hands-on, and meaningful. Spring can be a tricky time in the classroom, students are excited, routines start to feel stale, and focus can be all over the place.