This classroom resource provides effective, research-based strategies to help teachers differentiate problem-solving in the classroom. Resource features leveled math problems, an overview of the problem-solving process and ideas for formative assessment of students' problem-solving abilities. Plus, this resource includes mini lessons and a student activity sheet with a problem tiered at three levels. Teacher Resource CD features electronic versions of activity sheets to provide a fast way to make copies. Resource is designed for fifth-grade teachers.