Order of Operations - Quick Explanation for Teacher - Implement with students.
Nothing Fancy. I used this to PD with teachers in small groups, so I knew they were up-to-speed.
Educators try to follow PEMDAS to the letter...literally to the letter. But, if subtraction comes before addition - subtraction is the FIRST operation. Same with Division and Multiplication. It is a common error in pedagogy of this arithmetic math.
Again, nothing fancy. But, teachers I worked with really liked it for