Curated OER
Importance of Estimation
Students discover the ability to estimate based on viewing photographs of objects. In this number sense lesson, students view photographs of numerous objects in which they must train their eyes to create an educated guess of how many...
Scholastic
Scholastic: Max's Math Adventures: A Sweet Story
In this Max's Math Adventure, estimate pieces of candy with Max, Ruthie, and Pop. Features include a teacher's guide, activity sheet, and extra challenges.