CCSS
The Common Core State Standards (CCSS) are a set of academic standards in mathematics and English language arts/literacy developed by a consortium of 45 states and the District of Columbia. The standards were designed to provide a consistent, clear understanding of what a student should know and be able to do at the end of each grade. The CCSS were adopted by many states in the United States as part of their education policies, aiming to improve student achievement and prepare students for college and careers.
The CCSS for mathematics emphasize problem-solving, reasoning, and sense-making, with a focus on developing students' ability
The CCSS were developed by the National Governors Association Center for Best Practices (NGA Center) and the