There are basic concepts that need to be understood so area and perimeter make sense.First, multiplication is a rectangle and repeated addition is a straight line.Second, the number is at the end of the space! This concept this necessary for number lines and graphing on x and y axis and measurement. This interactive online Google Slides presentation gives students practice in basic concepts of area and perimeter.This is the first of 2 presentations...the second is applying perimeter and area to