This grade 3/4 level math workbook covers the following addition and subtraction related topics:
The workbook is divided into 28 sections. Each section begins with a bite-sized introduction to a topic with an example, followed by practice exercises including word problems. Answers are in the back. The format is ideal for printing and using in the home for independent or parent-guided study. The Math Mammoth series of workbooks is highly recommended by K5 Learning!
Bar Models in Addition and Subtraction