The above example, ratio comparison of how much money individuals have made is represented. Tom has two boxes Jimmy has three and whereas Susan has 5 boxes. The total is $1200. That is denoted by brackets encompassing the tape diagram. Each box/rectangle is $120. A tape diagram is a rectangular visual model that looks like a piece of tape and is used to aid with ratio calculation. A divided bar model, fraction strip, length model, or strip diagram are other names for it. It is used to answer problems in mathematical education. A tape diagram is a rectangular visual model that looks like a piece of tape and is used to aid with ratio calculation. A divided bar model, fraction strip, length model, or strip diagram are other names for it. It is used to solve word problems in mathematics education. issues with words.