The Common Core Standards have been adopted by 45 States currently and reflect a desire for continuity among the states in the skills students should acquire in each grade. Common Core Standards have been written for Language Arts as well as Math. Little Bird Lessons for Math and Language Arts are titled according to the main Common Core Standard(s) covered in the assignment. Common Core Standards reflect a higher level of thinking than repetition of memorized facts and require a more authentic forms of assessment. Little Bird Lessons take students away from multiple choice questions and into a deeper level of comprehension.

Content subjects for which there is no Common Core, such as science and social studies, are titled according to the corresponding standards from the state of California. The enumeration of standards will vary by state but many of the requirements are the same. With the brief description beside the assignment teachers can determine which lesson will fit into the desired curriculum, regardless of state or country.