Teachers, save “Esti-Mysteries” to assign it to your class.

1. Get a piece of scratch paper to keep track of your thinking. (The attached 100s grid might be helpful too!) 2. Watch the attached video. 3. Follow the directions to make your final estimate for each of the three esti-mysteries. 4. Click to take a photo of your scratch paper and use the and the to explain your thinking. 5.