Here are two good resources on Common Core.?? The first is an excellent, concise explanation from John Stossel:
The second is from Dr. Duke Pesta and Mrs. Mary Black and is good, and a longer explanation:
Here are two good resources on Common Core.?? The first is an excellent, concise explanation from John Stossel:
The second is from Dr. Duke Pesta and Mrs. Mary Black and is good, and a longer explanation: