Here are some review pages (half sheet; so run off only half the number of students in your class and cut the sheets in half). These pages review names of 3D geometric shapes (cube, rectangular prism, sphere, etc.) as well as parts of 2- and 3D shapes (vertices, edges, etc.).
Are your students struggling with addition, subtraction, multiplication or division? These videos explain it in a method that may just do the trick for your confused learners:
Place Value (Number Disks With Place Value Charts) by the NY Common Core Mathematics Project
Teaching Math (Child Narrated) by Kid Snippets