~ 6.18 ~

Learning Targets

• I can organize my work when I use the distributive property.

• I can re-write subtraction as adding the opposite and then rearrange terms in an expression.

Working with subtraction and signed numbers can sometimes get tricky. We can apply what we know about the relationship between addition and subtraction—that subtracting a number gives the same result as adding its opposite—to our work with expressions. Then, we can make use of the properties of addition that allow us to add and group in any order. This can make calculations simpler. For example:

Check Google Classroom!