Chapter 5 Using Bar Models: Addition and Subtraction

  • Chapter 5

    Chapter Objective:

    *Bar models, addition and subtraction can be used to solve 2-step real-world problems.


    Vocabulary:

    Sum - The sum is the answer in an addition problem.

    Bar model - A bar model is made of horizontal bars used to represent parts and wholes in a problem. The bar model helps to solve word problems.