Project Based Learning (PBL) opportunites are wonderful ways to get students to practice skills through real world experiences. The problem with PBLs for me is that they are too long! I designed this PBL to take about 1 hour in an average fourth grade class. The estimation and addition project also incorporates vocabulary, reading, technology and writing! The Scenario:Richard McRichardson has a $1,000,000 budget for his new hotel. He wants his hotel to be elegant but stay in budget. Students mus