This product is just what you need if you are looking for a 3-Digit subtraction lesson! It is a flipchart available for download as a PowerPoint (PNG), PDF format, and also ActivInspire. It correlates with 2nd grade Pearson Envision Math Topic 11 Lesson 7. However, if you do not use the Pearson series you will still be able to utilize this lesson in your classroom.The first 5 slides allow students to drag base ten blocks and use models to subtract. Then there are 4 slides that have children