Product Description Developed in conjunction with Lesley University, this engaging resource for fourth grade provides effective, research-based strategies to help teachers differentiate problem solving in the classroom. It includes: 50 leveled math problems (150 problems total), an overview of the problem-solving process, and ideas for formative assessment of students' problem-solving abilities. It also includes 50 mini-lessons and a dstudent activity sheet featuring a problem tiered at three levels, plus digital resources that inc electronic versions of activity sheets. This resource was developed with College and Career Readiness in mind,sdÃÃssis aligned to the interdisciplinary themes from the Partnership for 21st Century Skills, and supports core concepts of STEM instruction. About Shell Education Rachelle Cracchiolo started the company with a friend and fellow teacher. Both were eager to share their ideas and passion for education with other classroom leaders. What began as a hobby, selling lesson plans to local stores, became a part-time job after a full day of teaching, and eventually blossomed into Teacher Created Materials. The story continued in 2004 with the launch of Shell Education and the introduction of professional resources and classroom application books designed to support Teacher Created Materials curriculum resources. Today, Teacher Created Materials and Shell Education are two of the most recognized names in educational publishing around the world. About the Author Linda Dacey, Ed.D., is a professor of education and mathematics at Lesley University where she teaches courses for inservice and preservice teachers. A national and local leader, she is the co-author of numerous instructional materials designed to support the teaching and learning of mathematics. Dr. Dacey began her career in education as an elementary school teacher and still spends significant time in classrooms. Her current research focuses on ways to help teachers meet the needs of diverse students.