Teacher websites: Many teachers create and share their lesson plans online. You can find a variety of lesson plans on shapes by searching for "shape lesson plans for early childhood education." Some popular teacher websites include Teachers Pay Teachers, Education.com, and Lesson Planet.
Curriculum guides: Curriculum guides are developed by states and school districts to help teachers plan their lessons. You can find curriculum guides online by searching for your state's name and "curriculum guide." Most curriculum guides will include a section on shapes.
Educational apps and software: There are also a number of educational apps and software programs that can teach children about shapes. Some popular options include ABCmouse, IXL, and Khan Academy.