Explanation of why subtracting has the same effect as adding a negative, and how rewriting addition as subtraction allows terms to be easily re-arranged. Introduction to the use of the word “term” in algebra, along with how terms may be re-arranged.
Understanding math topics without memorization
Explanation of why subtracting has the same effect as adding a negative, and how rewriting addition as subtraction allows terms to be easily re-arranged. Introduction to the use of the word “term” in algebra, along with how terms may be re-arranged.