Interactive, Manipulative, Publisher, The Mathenæum
These activities involve both Part-Whole and Comparison Bar Models as representations of word problems involving the sum or difference of quantities, or where the quantities made up of equal parts. These models aid extracting the information from the problem, representing it pictorially, and visualising the solution process.
17 June 2017 Edit: 17 June 2017
User submitted, thanks to Ken Wessen