Esti-Mysteries poses estimation mystery challenges

Esti-Mysteries blends estimation and mystery by presenting students with an image and asking them to determine what number that image represents. Upon clicking through each Esti-Mystery, clues appear that allow learners to utilize math concepts to narrow down the possible answers. In the end, students use estimation skills to solve the mystery of the missing number. The blog has several sets of Esti-Mysteries as well as many other posts which are perfect for educators and parents alike to use with their learners.