51 Brand New Esti-Mysteries! 4 Challenge Levels! All New Images! Esti-mysteries are math puzzles based in number estimation! Students are challenged to guess the correct number while being provided clues over a period of time. Esti-mysteries are accessible through hyperlinked powerpoints. Great fun and excellent for teaching math concepts!
problem solving
math games
PowerPoint lessons
printable worksheets
number sense and numeration
K-12
math puzzle
math estimation
math mystery
guessing game
downloadable content