Your 4th grade math students will love learning with this video! This “I Solve You Solve” area and perimeter of rectangles math video mini lesson will help your students gain a better understanding of the following standard: ccss 4.MD.A.3 - Apply the area and perimeter formulas for rectangles in mathematical problems. I made this to use with my 4th graders, but if you have advanced 3rd graders or 5th graders that need a review, this might work for them too. Just know that the measurements stude