Fun activity to teach your students about estimation. Includes directions on how to make paper boats, with a worksheet for your students to estimate the amount of weight their boats will hold and still float. Some examples of objects your students could use to test their boats could be rocks, paperclips, erasers, etc.
Can also be used with Mr. Adam's Adventures "HOW TO MAKE A PAPER BOAT AND USE IT FOR MATH" YouTube video. https://youtu.be/u46JrD1rOkA