LTUSD Math Critical concepts by grade level Get clarity on the Critical Concepts. This crucial tool will help you maintain laser focus on essential standards to accelerate student learning. 

Research indicates that most standards documents articulate far more content than can be taught in the time available to K–12 teachers. In response, analysts at Marzano Resources sought to identify, as objectively as possible, a focused set of critical concepts for each grade level  of math. LTUSD elementary teachers have worked to simplify the progression scales into a teacher friendly document.